Department of Public Health and Environment Division of Environmental Health and Sustainability RULES AND REGULATIONS GOVERNING SCHOOLS 6 CCR 1010-6 [Editor’s Notes follow the text of the rules at the end of this CCR Document.] Adopted by the Board of Health on February 18, 2026; effective August 1, 2026. 6.1 Authority This regulation is adopted pursuant to the authority in Sections 25-1-108(1)(c)(I), 25- 1.5-101(1)(a),(h), (k), and (l), and 25-1.5-102(1)(a) and (d), Colorado Revised Statutes (C.R.S.), and is consistent with the requirements of the State Administrative Procedure Act, Section 24-4-101, et seq., C.R.S.

6.2 Scope and Purpose A. This regulation establishes provisions governing:

1. Minimum sanitation requirements for the operation and maintenance of schools;

2. Minimum standards for exposure to toxic materials or substances and environmental conditions in order to safeguard the health of the school occupants and the general public; and 3. Prevention, detection, investigation, control, mitigation, and elimination of sources causing epidemic and communicable diseases affecting school occupants and public health.

B. This regulation does not apply to:

1. Structures or facilities used by a religious, fraternal, political or social organization exclusively for worship, religious instructional or entertainment purposes pertaining to that organization; 2. Health facilities licensed by the Colorado Department of Public Health and Environment under provisions of Section 25-3-101, C.R.S.; and 3. Child care facilities licensed by the Colorado Department of Human Services as defined in Sections 26-6-903(5), (8)(a)(I), (13), (26), (29), (30), (31), (32), and (34), C.R.S., or the Colorado Department of Early 1 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Childhood as defined in Sections 26.5-5-303(3), (5), (10), (12), (17), (18.5), (21), and (22), C.R.S.

6.3 Applicability A. The provisions of this section shall be applicable to all schools, kindergarten through grade twelve, in the State of Colorado.

1. Schools in operation prior to the effective date of these regulations, which would require capital expenditures to fully meet all of the design, construction and equipment requirements of these regulations, may be deemed acceptable by the Department if determined to be in good repair and capable of being maintained in a sanitary condition and posing no hazard to the health of the school occupants.

2. Any school shall have a right to challenge any rule that they feel has been too rigidly applied. All challenges must be submitted to the Department in writing, stating the rule being challenged and the reason for the challenge. The Department shall hear the challenge and make a determination on the appropriate application of the rule.

3. These regulations shall not limit the powers and duties of local governments to issue such orders as stringent as or more stringent than the provisions contained herein, as may be necessary to protect public health.

6.4 Definitions A. For the purpose of these rules and regulations:

1. American National Standards Institute (ANSI) means an accreditation agency that certifies adherence to particular standards. 2. Approved means acceptable to the Colorado Department of Public Health and Environment or its authorized agents or employees based upon determination of conformance with these regulations or other appropriate standards.

3. Campus means a fixed location that includes the grounds and the academic, administration, and support structures and facilities. 4. Carbon Monoxide Alarm means a single or multiple-station alarm intended to detect carbon monoxide gas and alert occupants by a distinct audible signal. It incorporates a sensor, control components, and an alarm notification appliance in a single unit.

2 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 5. Carbon Monoxide Detector means a device with an integral sensor to detect carbon monoxide gas and transmit an alarm signal to a connected alarm control unit.

6. Chemical Hygiene Plan means a written program that promotes the safe management of chemicals for students, staff, or other occupants of the school, and promotes a culture of safety within the school. The plan is comprised of procedures for general laboratory safety, chemical management (including procurement, storage, personal protective equipment, handling, and disposal), and spill response. The plan also includes procedures for the operation and testing of laboratory chemical hoods and other emergency and safety equipment.

7. Chemical Inventory means a list of all hazardous chemicals, compounds, and substances present in a school.

8. Chemical Waste means any leftover or discarded material containing potentially hazardous chemicals. Chemical waste can be byproducts of classwork or other school activities, and its improper disposal can pose risks to human health and the environment. This can also include chemicals that have degraded and are partially or wholly crystallized, solidified, or otherwise changed chemically, or whose containers are damaged or leaking, and those chemicals listed as prohibited in Appendix A.

9. Child Occupied Facility means a building or portion of a building that: a. Was constructed prior to 1978;

b. Is visited regularly by the same child who is under seven years of age;

c. Is visited by the same child on two or more days within any week, consisting of the period from Sunday through the following Saturday, with each such visit totaling three or more hours; d. Is visited by the same child a total of at least 60 hours in one year; and e. A child occupied facility includes, but is not limited to, day-care centers, preschools, or kindergarten classrooms constructed prior to 1978.

10. Classroom means any room used for instructional purposes by students and/or staff on a routine basis.

11. Clean means to be free of dust and debris or to remove dirt and debris by vacuuming or scrubbing and washing with soap and water. 3 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 12. Contamination means the presence of infectious microorganisms or chemicals at levels toxic to human health in or on the body, environmental surfaces, including but not limited to table tops, chairs, desks, and laboratory working areas, articles of clothing, and/or in food or water.

13. Corrosive means a substance that, upon contact, causes destruction of living tissue by chemical action.

14. Critical Violations means provisions of these rules and regulations that, if deemed in noncompliance, are more likely than other violations to contribute to illness or environmental hazards that may contribute to a disease outbreak or cause harm to human health. Critical violations include inappropriate clean-up of high hazard body fluids, lack of handwashing, ineffective sanitization and disinfection, ill personnel preparing food, unsafe water supply or sewage disposal, mismanagement of pests, food temperature abuse, and mismanagement of toxic or hazardous materials or substances. 15. Demonstration Use Only Chemicals means a subclass in the restricted chemical list that is limited to instructor demonstration. The restricted chemicals limited to instructor demonstration are listed in Appendix B2 to this regulation. 16. Department means the Colorado Department of Public Health and Environment and its authorized agents and employees.

17. Disinfect means to eliminate most or all pathogenic microorganisms, with the exception of bacterial spores, by using effective bactericidal heat or concentration of chemicals which are registered with the U.S. Environmental Protection Agency.

18. Drinking Water means water intended for human consumption. 19. Easily Cleanable means materials or surfaces that are smooth, durable, and non- absorbent, such that the soil, filth, and/or unseen contamination can be effectively removed by normal cleaning methods.

20. Extensively Remodeled means any structural or other premise change that requires a building or construction permit issued by the Colorado Department of Public Safety, Division of Fire Safety, or the local building authority. Routine maintenance, repairs, or cosmetic changes are not defined as extensive remodeling.

21. Food Contact Surface means:

a. A surface of equipment or a utensil with which food normally comes into contact with; or b. A surface of equipment or a utensil from which food may drain, drip, or splash into food or onto a surface normally in contact with food. 4 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 22. High Hazard Body Fluid means urine, feces, vomitus, blood, or any other body fluids with blood present.

23. Hazard/Hazardous means a situation or condition where there is a significant potential for injury, illness, or death. (e.g., use or exposure to potentially hazardous chemicals, equipment, devices).

24. Hazardous Material means any item or agent (biological, chemical, radiological, and/or physical), which has the potential to cause harm to humans, animals, or the environment, either by itself or through interaction with other factors. 25. Imminent Health Hazard means a substantial danger to public health or safety, or a significant threat or danger to public health or safety that is considered to exist when there is evidence sufficient to show that a product, practice, circumstance, or event creates a situation that requires immediate correction or cessation of operation to prevent illness or injury based on the nature, severity, and duration of the anticipated illness or injury.

26. Infection means a condition caused by the multiplication of an infectious agent in the body.

27. Infectious means capable of causing an infection.

28. Inspection means an evaluation of the school to determine conformance with these rules and regulations.

a. Routine Inspection means an on-site evaluation of the school by the Department during normal hours of operation, with school staff in attendance, to determine conformance with these rules and regulations. b. Self certification means a checklist of regulatory requirements completed by an authorized school representative for the purpose of assessing compliance.

c. Audit means a verification of a self-certification checklist of regulatory requirements by the Department.

29. Outbreak means an increase in disease symptoms or illness, regardless of a clinical diagnosis or laboratory testing in staff/students at more than expected levels. As few as two individuals (students or staff) in the same group with similar symptoms may constitute an outbreak.

30. Personal Protective Equipment means gear worn when handling high hazard body fluids, chemicals, or participating in vocational activities, such as gloves, lab coats, safety eyewear, and respirators, designed to safeguard the individual from the potential hazards.

5 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 31. Prohibited Chemicals means those substances with greater hazardous nature than educational utility. Prohibited chemicals are those chemicals that pose an inherent, immediate, and potentially life-threatening risk, injury, or impairment due to toxicity or other chemical properties to the students, staff, or other occupants of the school. Prohibited chemicals are listed in Appendix A to this regulation. Products generally available to the public where a chemical listed in Appendix A to this regulation occurs as an ingredient but is not the sole active ingredient, or is present in low concentrations, are not subject to Appendix A. Solid objects used for instructional purposes, such as rock and mineral specimens, demonstration devices such as science test kits and cloud chambers, and ceramic glazes where chemicals listed in Appendix A to this regulation are incorporated into the object, are not subject to Appendix A. 32. Refuse means any garbage, trash, or other forms of solid waste. 33. Restricted Chemicals means those substances with a hazardous nature that may have potential educational utility. Restricted chemicals are listed in Appendix B to this regulation. Common household items, such as but not limited to 3% hydrogen peroxide, over-the-counter iodine solutions, 5% or less acetic acid, less than or equal to 70% isopropyl alcohol, ammonia, and up to 8% sodium hypochlorite solutions, are exempt from this designation. Diluted solutions containing restricted chemicals at concentrations of 1 mol or less, or at equivalent percentage concentration, are exempted from this designation. Products generally available to the public where a chemical listed in Appendix B to this regulation occurs as an ingredient, but is not the sole active ingredient, or is present in low concentrations, are not subject to Appendix B. Solid objects used for instructional purposes such as rock and mineral specimens, demonstration devices such as science test kits and cloud chambers, and ceramic glazes where chemicals listed in Appendix B to this regulation are incorporated into the object, are not subject to Appendix B. 34. Safety Data Sheet (SDS) means a written or printed document provided by the chemical manufacturer that provides crucial information about the hazards of a chemical substance and how to handle it safely.

35. Sanitary Facilities means toilets, urinals, handwashing sinks, showers, drinking fountains, utility sinks, and the service rooms provided for the installation and use of these units.

36. Sanitization means effective bactericidal treatment by a process that provides enough accumulative heat or concentration of chemicals, registered with the U.S. Environmental Protection Agency, for sufficient time to reduce the bacterial count, including pathogens, to a safe level.

37. Sanitize means the application of a process or bactericidal treatment, registered with the U.S. Environmental Protection Agency, for a period of time sufficient to reduce the bacterial count, including pathogens, to a safe level. 6 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 38. School means any facility (public, charter, proprietary, parochial, denominational, or charitable) which is maintained for educational purposes for six or more persons except those facilities described in Section 6.2 (B). 39. Service Animal, as defined by the Americans with Disabilities Act (ADA), means a dog that is individually trained to do work or perform tasks for people with disabilities. Service animals are working animals, not pets. The work or task a dog has been trained to provide must be directly related to the person’s disability. Dogs whose sole function is to provide comfort or emotional support do not qualify as service animals under the ADA.

40. Staff means people employed by the school or school district, or non-employees, who are performing tasks within a school and are required to follow school policies and procedures as determined by the school/district. 41. Standards means requirements that are approved by the Department to provide for the protection of the school occupants and/or public health. 42. Strong Irritant means a substance that will induce a local inflammatory reaction upon immediate, prolonged, or repeated contact with normal living tissue. It is not corrosive but causes a reversible inflammatory effect on living tissue by chemical action at the contact site.

43. Time/Temperature Control for Safety Food (TCS) means a food that requires time/temperature control for safety to limit pathogenic microorganism growth or toxin formation. TCS includes a food of animal origin that is raw or heat-treated; a food of plant origin that is heat-treated or consists of raw seed sprouts, cut melons, cut leafy greens, cut tomatoes or mixtures of cut tomatoes that are not modified in a way so that they are unable to support pathogenic microorganism growth or toxin formation, or garlic-in-oil mixtures that are not modified in a way so that they are unable to support pathogenic microorganism growth or toxin formation.

44. Toxic Material means any chemical, physical, or biological substance that can cause harm, such as illness, death, or environmental damage, to living organisms when ingested, inhaled, or absorbed through any body surface. 45. Toxic Substance means a chemical that has the inherent capacity to cause personal injury or illness to individuals when ingested, inhaled, or absorbed through any body surface.

46. Virus means a microscopic organism smaller than a bacterium that may cause disease. Viruses can grow or reproduce only in living cells. 6.5 Plans A. When required by the Department, plans and specifications shall be submitted at least 30 days prior to:

7 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 1. Construction of a new school;

2. Remodeling of an existing school or renovations to a building that will be occupied as a school;

3. The change of use in a classroom or an area where toxic or hazardous materials or substances will be used, or food will be prepared for educational purposes; and 4. The operation of a school in a new location.

5. Submission to the Department does not remove the requirements of the Colorado Department of Public Safety, Division of Fire Safety, Department of Regulatory Agencies Plumbing and Electrical Boards, or local building authorities regarding submissions of plans and specifications. B. Schools opening in buildings or on properties previously used for purposes other than education shall conduct a phase I Environmental Site Assessment of the building and grounds that conform to ASTM standard 1527-21 and a phase II assessment if a recognized environmental condition is discovered to ensure no significant hazards exist prior to occupancy.

6.6 Incorporation by Reference A. These regulations incorporate by reference (as indicated within) materials originally published elsewhere. Such incorporation does not include later amendments to or editions of the referenced material. These regulations incorporate by reference:

1. American Association of Radon Scientists and Technologists’ Protocol for Conducting Measurements of Radon and Radon Decay Products in Schools and Large Buildings, 2023 (Accessible at:

https://standards.aarst.org/MA-MFLB-2023/index.html); and 2. American Association of Radon Scientists and Technologists’ Soil Gas Mitigation Standards for existing Multifamily, School, Commercial and Mixed-Use Buildings, 2023 (Accessible at:

https://standards.aarst.org/SGM-MFLB-2023/index.html).

B. Pursuant to Section 24-4-103 (12.5)(a), C.R.S., the Department maintains certified copies of the complete text of any material incorporated by reference for public inspection during regular business hours and shall provide certified copies of the incorporated material at cost upon request. For information regarding how the incorporated materials may be obtained or examined, contact: Division Director 8 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Division of Environmental Health & Sustainability Colorado Department of Public Health & Environment 4300 Cherry Creek Drive South Denver, CO 80246-1530 6.7 Compliance Procedures 6.7.1 Inspections A. The Department shall conduct inspections to determine the condition of schools for the purpose of safeguarding the health of students, staff, and patrons of the school.

1. The Department shall be permitted to enter and inspect any school during normal school year operations while students are present and during times occupied by staff during non-school months, to determine compliance with this regulation or to investigate unhealthy conditions or complaints.

2. Unless otherwise approved by the Colorado Department of Public Health and Environment, all schools that are engaging in the use of toxic and/or hazardous materials or substances in science, art, and/or vocational programs shall be inspected a minimum of once per year. All other schools shall be inspected a minimum of once every two years. A Local Public Health Agency may submit a request to the Colorado Department of Public Health and Environment to conduct inspections at an alternate frequency.

3. When an inspection of a school is conducted, the Department will record findings on an inspection report.

4. Upon completion of the inspection, the Department will furnish a copy of the completed inspection report identifying existing violations to the school contact.

5. Schools shall notify the Department if an imminent health hazard exists, such as but not limited to, an inability to maintain the integrity of time/temperature control for safety foods (TCS), sewage backup into the facility, lack of drinking water, or an interruption of water, sewer, or electrical services to the facility for more than two hours. a. The school shall immediately cease operations unless dismissal of the students would be detrimental to their well-being or unless an alternative plan for operation has been approved by the 9 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Department. Operations shall not be resumed until authorized by the Department.

6.7.2 Self-Certification A. If requested by the Local Public Health Agency and approved by the Colorado Department of Public Health and Environment, schools may be allowed to complete and submit a Colorado Department of Public Health and Environment- approved Self-Certification Checklist in lieu of undergoing an inspection. If the school fails to complete and submit the Self-Certification Checklist by the deadline set by the Department in its approval notification, an inspection shall be conducted.

6.7.3 Compliance Assurance A. Schools shall correct all critical violations cited during an inspection within 30 days of the date of the inspection or the date of notice of citation, whichever is later. Schools shall correct all non critical violations within 90 days of the date of the inspection or the date of notice of citation, whichever is later, or by the date specified by the Department.

B. The Department may approve a compliance schedule that extends beyond the time limits specified in Section 6.7.3(A) if a written schedule for compliance is submitted by the school and no health hazard exists or will result from allowing an extended schedule for compliance.

C. A Notice of Non-Compliance will be sent to the school contact when verification of correction has not been received, or the school is still found to be out of compliance during a follow-up inspection.

1. Any school in receipt of a Notice of Non-Compliance shall submit verification to the Department detailing the corrective actions taken to rectify critical violations or other significant deficiencies noted during an inspection.

2. A school’s failure to respond to a Notice of Non-Compliance issued by the Department or to rectify critical violations may result in enforcement action, including, but not limited to, public notification of unresolved critical violations and noncompliance with these rules and regulations. 3. Prior to the Department initiating enforcement action, an informal meeting may be scheduled by the Department with school officials and other interested persons. This meeting will be to discuss the violations and the reason(s) for noncompliance, and to agree on an appropriate and viable Plan of Action to achieve regulatory compliance.

4. A school contesting an enforcement action may request a hearing. Requests for such a hearing shall be filed in writing with the Department 10 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability within 30 days after service of the action. Such requests shall state the grounds upon which the action is contested and state the amount of time the school estimates will be required for the hearing. Hearings on the enforcement action shall be held in accordance with applicable provisions of Article 4 of Title 24, C.R.S.

6.7.4 Variance Procedures A. Schools may apply for a variance to these rules and regulations where the regulation intent can be met in another way, or compliance is cost-prohibitive or restrictive to curriculum.

B. Variance requests will be considered for general provisions of the rules and regulations, provided public health is protected. Such variance requests shall include the name of the school, the applicable section of the regulation, the reason for the request, and supporting information.

C. Requests will be reviewed by representatives of the Colorado Department of Public Health and Environment. Decisions are final and will expire upon a change of circumstances, including changes in responsible personnel, the alleviation of the initial hardship, or at the expiration date set by the Department. 6.8 Environmental Hazards 6.8.1 Hazards Controlled A. Exposure to noise, dusts, toxic materials or substances, or other hazards shall be controlled at all times, including when a building or portion thereof is occupied during construction or remodeling.

6.8.2 Asbestos A. Prior to remodeling any portion of the school building, any necessary construction-specific inspections for the identification of asbestos-containing materials shall be conducted in accordance with Colorado Air Quality Control Commission, 5 CCR 1001-10, Regulation No. 8.

6.8.3 Lead-Based Paint A. For child-occupied facilities built before 1978, all painted surfaces of building components shall be considered lead-based paint unless a lead-based paint determination deems otherwise.

1. Section 6.8.3 (A) does not apply to renovations for which a written determination has been made that the components affected by the renovation are free of paint or other surface coatings that contain lead equal to or in excess of 1.0 milligrams per square centimeter (mg/cm2) or 0.5% by weight, and where the firm performing the renovation has 11 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability obtained a copy of the determination. Only a certified inspector or certified risk assessor pursuant to 5 CCR 1001-23, Colorado Air Quality Control Commission, Regulation Number 19 Part A, or a certified renovator pursuant to 40 CFR Part 745, Subpart E may make a lead-based paint determination. The recordkeeping and reporting requirements of 40 CFR Part 745.86 and 5 CCR 1001-23 Regulation Number 19, Part A, Section IV.F and V.L apply to all records necessary to demonstrate compliance with this Section 6.8.3(A).

2. Renovation activities that will disturb painted surfaces, either deemed to contain lead or not tested for lead, in buildings or portions of buildings meeting the definition of a child-occupied facility (including certain repairs and maintenance, and painting preparation activities), must be conducted pursuant to 40 CFR Part 745, Subpart E.

3. Any person who performs or directs workers who perform for compensation renovation activities that will disturb painted surfaces, either deemed to contain lead or not tested for lead, in a building or portion of the building meeting the definition of a child-occupied facility, is required to conduct pre-renovation education and recordkeeping activities as required by Sections III and IV of 5 CCR 1001-23, Colorado Air Quality Control Commission, Regulation Number 19 Part B.

6.8.4 Radon A. All schools shall be tested for radon following the procedures described in the American Association of Radon Scientists and Technologists’ Protocol for Conducting Measurements of Radon and Radon Decay Products in Schools and Large Buildings. B. Radon testing and mitigation activities conducted after July 1, 2022, shall be conducted meeting the requirements outlined in 4 CCR 754-1, Radon Professionals Rules and Regulations.

1. Individuals meeting an exemption in C.R.S. 12-165-107 shall conduct radon testing pursuant to the procedures described in the American Association of Radon Scientists and Technologists’ Protocol for Conducting Measurements of Radon and Radon Decay Products in Schools and Large Buildings, 2023, incorporated herein by reference (accessible at http://standards.aarst.org/MA-MFLB-2023/index.html). 2. Individuals meeting an exemption in C.R.S. 12-165-107 shall conduct radon mitigation pursuant to the procedures described in the American Association of Radon Scientists and Technologists Soil Gas Mitigation Standards for existing Multifamily, School, Commercial, and Mixed-Use 12 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Buildings, 2023, incorporated herein by reference. (Accessible at: https://standards.aarst.org/SGM-MFLB-2023/index.html).

C. The results of these tests shall be on file at each school and available for review. D. Schools constructed after the effective date of these rules and regulations shall complete radon testing as specified in Section 6.8.3(B) within 19 months of the date of occupancy.

E. Schools modified or remodeled after the effective date of these rules and regulations shall notify the Department of such remodeling so that the Department may assess if the renovation has the potential of altering indoor radon or decay product levels that would require any additional radon testing. Examples of modifications that would require re-testing include, but are not limited to, replacement or upgrading of Heating, Ventilation, and Air Conditioning systems (HVAC) or alteration of HVAC energy management systems, additions to the building, addition of temporary classrooms, and addition of interior walls that would segregate occupied areas.

1. Where renovations occur that would impact the entire building, the entire building shall be retested.

2. Where renovations are limited to a small portion of the building, only those rooms impacted by the remodeling shall be retested.

6.9 Grounds 6.9.1 Grounds Maintained A. All outdoor areas shall be maintained in a sanitary condition, be well-drained, free from insect and rodent harborages, refuse, open or accessible wells, grease interceptors, cisterns, cesspools, septic tanks, utility equipment, and unused equipment B. Raw agricultural products grown on-site shall be permitted in school cafeterias, provided school gardens and greenhouses conform to U.S. Department of Agriculture Good Agricultural Practices.

13 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.9.2 Livestock and Chicken Coops A. Livestock or poultry shall be located more than 50 feet from food service areas, offices, or classrooms, except those offices and classrooms associated with animal husbandry activities.

B. Live poultry coops are allowed under the following conditions: 1. Live poultry shall be enclosed in an outdoor coop in an area that complies with Section 6.9.2(A).

2. If students under the age of five are at the school, the coop shall not be located in a communal area used by these younger students. 3. Students under the age of five years old shall not handle the poultry, eggs, or have direct contact with the coop.

4. An alcohol-based hand sanitizer with at least 60% ethyl or isopropyl alcohol shall be provided at entrances and exits of the chicken coop and the area where chickens are allowed to roam.

5. All adults and students shall use hand sanitizer after any contact with the poultry, eggs, or the coop. Adults and students shall then immediately wash their hands upon entering the building.

6. Signs instructing the use of hand sanitizer and handwashing shall be clearly posted near the coop. The signs shall clearly state that hand sanitizer must be used immediately following contact with the chickens or the coop and that hands must be washed immediately upon returning to the building.

7. The school shall contact the Department if there are two or more gastrointestinal illnesses identified, within a similar timeframe, in students or staff who have contact with the poultry, eggs, or the coop. 6.9.3 Pools A. Swimming pools shall be constructed, operated, and maintained in accordance with 5 CCR 1003-5, Swimming Pool and Mineral Bath Regulations, and Title 15, Chapter 106, United States Code (USC), Section 8001-8008, et seq. When local health or building departments have adopted codes equivalent to or more stringent than the above, those codes shall apply.

14 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.10 Buildings 6.10.1 Buildings Maintained A. The school campus and accessory buildings shall be maintained in good repair, in a clean and sanitary condition, and in a manner that minimizes health hazards to building occupants.

B. Flooring shall be constructed of impervious, easily cleanable materials in art, science, and vocational areas where toxic and/or hazardous materials or substances are used.

C. Where permitted, carpeting shall be tightly woven and maintained in good repair. 1. Carpet is prohibited in restrooms, kitchens, and diaper changing areas. D. Adequate space shall be provided for each person in classrooms, libraries, shops, laboratories, vocational training rooms, dining rooms, and other related activity rooms or areas to lessen the possibility of health hazards and disease transmission.

E. Where necessary, classroom and health room windows shall be equipped with blinds, shades, or other effective means to prevent glare, to control natural light, and provide appropriate privacy.

F. When windows are opened, effective techniques shall not create a hazard such as pests, noise, dust, pollen, fumes, or extreme temperatures. G. When there is a change in classroom use, the design and construction of the classroom facilities shall be appropriate for the new use, including provisions required by Section 6.15 of this regulation, where applicable. 6.10.2 Insect and Rodent Control A. Pests shall be managed with integrated strategies for long-term pest suppression, using methods with the least possible hazard to people, property, and the environment.

1. Pest droppings shall be removed to prevent accumulation. 2. The use of toxic compounds to control rodents, insects, and other pests shall be implemented only after other means have been used for control, such as the elimination of harborages, cleaning food waste, and sealing any ports of entry.

3. The Department shall be notified when species that are known reservoirs of rabies, including but not limited to bats, raccoons, and skunks, are found in schools.

15 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability a. Known reservoirs of rabies shall be handled with care to avoid contact with skin.

B. All pesticides shall be used in accordance with U.S. Environmental Protection Agency (EPA) or Colorado Department of Agriculture, registered label directions, and stored in an area accessible only to authorized personnel. 1. Application of restricted-use pesticides shall be performed only by a certified pest control applicator in accordance with C.R.S. 35-10 et seq., the Colorado Pesticide Applicators’ Act, and its associated rules. 6.10.3 Electrical and Lighting A. Schools shall be provided with operational electrical service and artificial lighting at all times when occupied.

B. The electrical system shall be installed and maintained in accordance with applicable state and local electrical codes, ordinances, regulations, and standards, and shall not present a health hazard.

C. The electrical lighting system shall provide the following average light level intensities: 35 foot candles for classrooms, libraries, offices, laboratories and shops; 20 foot candles for reception rooms, restrooms, gymnasiums, service rooms, swimming areas and dining areas; 10 foot candles for auditoriums, locker rooms and stairways; and 5 foot candles for corridors, hallways, storage and utility areas. Light level intensities shall be measured at the work surface or 30 inches from the floor.

D. Appropriate measures shall be taken to ensure that people are not exposed to harsh lighting, which may be harmful to the eyes, such as ultraviolet light. 6.10.4 Building Ventilation A. Ventilation, mechanical or natural, shall be installed and maintained in accordance with applicable state and local building codes, ordinances, regulations, and standards, and to minimize health hazards, including respiratory illnesses, excessive drafts, extreme temperatures, humidity, and temperature fluctuations.

B. Ventilation system filters and/or filters in indoor air cleaners shall be cleaned or replaced regularly or according to manufacturer’s recommendations to prevent excessive accumulation of dust or debris.

C. Restrooms shall be equipped with mechanical exhaust to remove bioaerosols and noxious odors.

16 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability D. Each room provided with an exhaust system shall have air supplied to the room equal to the amount to be exhausted. Windows shall not be used for the purpose of providing makeup air.

E. Unvented combustion heaters, kitchen stoves, or hot plates shall be prohibited for space heating purposes. Portable electric heaters with exposed elements shall not be used in any student activity area.

6.10.5 Carbon Monoxide Detection A. Operational carbon monoxide detectors and alarms shall be installed and maintained in accordance with applicable state and local fire codes, ordinances, regulations, and standards. The maintenance and installation of carbon monoxide detectors and alarms shall comply with the manufacturer’s instructions. 1. School personnel shall have knowledge of where carbon monoxide detectors and alarms are located, how occupants are alerted if carbon monoxide is detected, and the procedure followed when an alarm sounds. 2. Carbon monoxide detectors and alarms shall be tested at least annually. Documentation of the previous 12 months of testing shall be maintained and available upon request.

3. Carbon monoxide detectors and alarms that are only battery-powered shall be tested monthly. Documentation of the previous 12 months of testing shall be maintained and available upon request. 4. Batteries shall be replaced at least annually or as specified by the manufacturer. 6.10.6 Heating A. The heating system provided shall be properly maintained and provide, in all occupied rooms, minimum room temperatures of 60° F at 60 inches above the floor in shops and gymnasiums and 65° F at 30 inches above the floor in elementary, secondary, and higher educational school classrooms, and at floor level in kindergarten.

B. A plan that addresses operating during periods of extreme temperature, as it relates to indoor air, shall be developed and available for review. The plan shall include the following:

1. How the school will mitigate health hazards of indoor temperatures below the minimum requirements in Section 6.10.6(A) and above 80°F; and 2. The threshold for when operations will no longer continue due to extreme temperatures.

17 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.11 Sanitary Facilities and Controls 6.11.1 Water Supply A. Adequate, uncontaminated, safe drinking water for the needs of the school shall be provided in the building housing the establishment and shall be from a source constructed, maintained, and operated according to the 5 CCR 1002-11, Colorado Primary Drinking Water Regulations, and regulations adopted pursuant to Title 25-1.5-203, C.R.S., or 1. If the school does not meet the definition of a public water system pursuant to 5 CCR 1002-11, Colorado Primary Drinking Water Regulations, the school shall submit plans for approval to the Department prior to construction. Plans shall be completed in consultation with a certified water operator and approved by a professional engineer. 2. The school shall provide:

a. Adequate treatment on a continuous basis. Manual or pellet fed systems are not permitted;

b. A required number of bacteriological samples at a minimum of once per quarter or at a frequency determined by the Department; c. An N, N diethyl-p-phenylene diamine (DPD) colorimetric drinking water test kit capable of testing free chlorine at an accuracy of 0.1 milligrams per liter (mg/L);

d. Free chlorine shall range from 0.2 mg/Liter to 4 mg/Liter (0.2 to 1.2 mg/L recommended) at any fixture; and e. The previous twelve months of water sample reports shall be retained on file at the school and shall be available for review by the Department when requested; and the school shall immediately report positive results to Department.

3. The water storage, distribution system, treatment facilities, and other mechanical equipment shall be protected from unauthorized access. 4. Schools with water supplies determined to be surface water or under the direct influence of surface water shall be required to filter their water to one micron absolute using National Sanitation Foundation (NSF) approved equipment and maintain a residual disinfectant concentration to ensure inactivation and/or removal of giardia and other parasitic cysts and viruses.

B. The water supply system shall deliver water at normal operating pressures (20 pounds per square inch minimum) to all plumbing fixtures. 18 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability C. Faucets on non-drinking water supply systems used for irrigation or similar purposes shall be physically separated from the drinking water supply system, and the faucets on the non-drinking water system shall be clearly marked as unsafe for drinking.

6.11.2 Drinking Water Access A. Access to drinking water shall be easily accessible to occupants during all school program activities.

B. Drinking water sources shall not be located in restrooms or other areas with increased potential for contamination (e.g., science, art, or vocational areas). C. Drinking fountains shall be equipped with angled jets and orifice guards located above the fountain rim. The pressure shall be regulated to ensure that the stream of water does not contact the orifice guard or splash onto the floor. When separate angle jet drinking fountains are installed, they shall be positioned at an appropriate height.

D. Individual cups/drinking containers supplied by the school and bulk water vessels shall be washed, rinsed, and sanitized at least daily.

1. Use of common drinking cups or vessels is prohibited. 2. Single-use cups shall be discarded at the end of the day. 6.11.3 Sewage Disposal A. All liquid waste, including sewage, shall be discharged to a sanitary sewer or to a sewage system constructed, operated, and maintained according to law. B. Where non-water carriage sanitary facilities, such as vaults or privies, are permitted, they shall be provided and installed in accordance with requirements of the Department.

6.11.4 Refuse Disposal A. The storage, collection, transportation, and disposal of refuse shall be conducted to control odors, insects, rodents, or other nuisance conditions. B. Durable non-absorbent, cleanable refuse, recycling, and composting, if applicable, containers shall be provided, kept in a clean condition, and placed in readily accessible locations.

C. Exterior refuse, recycling, and compost containers, if applicable, shall be easily cleanable, provided with covers, stored on a smooth surface of non-absorbent 19 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability material, such as concrete or machine-laid asphalt, and kept in a clean, sanitary condition.

D. Interior garbage containers shall be easily cleanable and shall be emptied whenever full. Refuse shall be removed from the building and premises on a regular basis, or at a minimum every seven days, and in a manner which would prevent creation of a nuisance condition.

E. Disposal or removal of hazardous materials shall be conducted in accordance with state, federal, and local provisions.

6.11.5 Plumbing A. All plumbing fixtures shall be sized, installed, and maintained in accordance with applicable state and local plumbing codes, ordinances, regulations, and standards.

1. In areas where handwashing sinks are required, they shall be permanently plumbed.

B. Plumbing fixtures shall be maintained in working order and in a clean, sanitary condition. All plumbing fixtures shall be designed and maintained to be accessible by the age group being served.

C. The drinking water supply shall be installed and maintained to preclude the possibility of backflow or backsiphonage.

D. A properly installed and approved backflow prevention device shall be provided for all drinking water supply outlets which are capable of receiving a hose connection.

E. Where chemical dispensing towers are installed without an integral air gap or break to prevent backsiphonage, an approved backflow prevention device shall be installed between the chemical tower and the water supply line. F. Backsiphonage and backflow prevention devices shall meet American Society of Sanitary Engineering (A.S.S.E.) standards for construction, installation, maintenance, inspection, and testing for that specific application and type of device.

6.11.6 Toilet, Handwashing, and Bathing Facilities A. Schools shall take active steps to instruct hand washing before eating, after restroom use, and any other time hands may be contaminated. 1. Students who are unable to wash their hands using running water due to individual circumstances may use an alternative method approved by the Department.

20 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability B. Each hand washing and classroom sink shall be provided with hot and cold water through a mixing valve or combination faucet. Hot water at sinks accessible to students shall be at least 85°F and shall not exceed a temperature of 120°F. C. Hand sanitizers containing at least 60% ethyl or isopropyl alcohol may be used in addition to, but not in place of, hand washing within the facility. Hand sanitizers or approved alternative hand washing methods shall be used for staff and students at times and in areas where hand washing facilities are not available, such as while out of doors in remote locations. Hand sanitizer shall be stored in an area where its use can be monitored.

D. Restrooms shall be conveniently located from any room they serve and be maintained in accordance with applicable state and local plumbing codes, ordinances, regulations, and standards.

1. All restrooms shall be equipped with adequate handwashing facilities. E. Detached structures and modular classrooms without plumbing shall be located no more than 500 feet from restrooms and drinking water sources. Restrooms and drinking water shall be accessible during all hours of operation. F. Soap and single service towels, mechanical air dryers, or single-use clean cloth towels shall be available at each handwashing sink.

G. Hot and cold water or tempered water under operating pressures (20 PSI minimum) shall be available during all hours of operation. Hot water delivered to showers and handwashing sinks shall be at least 85°F and shall not exceed 120°F. The temperature of hot water at other fixtures not used by students shall not exceed 140°F, except where necessary for sanitizing purposes. H. Toilets shall be equipped with non-absorbent, easily cleanable toilet seats. Toilet paper shall be available at each toilet mounted in an appropriate dispenser. I. Floors, walls, and ceilings of all toilet and locker rooms shall be smooth, easily cleanable, non-absorbent, and shall be maintained in good repair and in a clean, sanitary condition.

J. Showers shall be installed and maintained in accordance with applicable state and local plumbing codes, ordinances, regulations, and standards. 1. Showers shall be constructed to prevent water flow into the drying or dressing room space and shall slope to the floor drains. 21 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 2. Shower floors, ceilings, and walls shall be easily cleanable and shower floors shall have a non- slip surface.

6.11.7 Diapering and Toileting Assistance A. Where diapering or bowel/bladder hygiene care is necessary, a separate changing area with privacy shall be available with a cleanable impervious surface large enough to accommodate the student.

1. This changing area shall be located:

a. Away from any food preparation, storage, and servicing areas. b. Where a handwashing sink in accordance with Sections 6.11.6(F)- (G) is adjacent or within the private space.

c. Adjacent to a washable, covered container lined with a plastic bag, inaccessible to students, and used for disposal of soiled diapers, wipes, and gloves.

d. Items unrelated to diaper changing shall not be placed on the changing tables or wall-hung changing stations.

2. If a changing mat is used, it shall be kept clean and in good repair and shall be cleaned and disinfected after each use.

3. The following procedure shall be conducted each time bowel or bladder hygiene is provided:

a. All Supplies needed shall be placed in the changing area before the process is started.

b. Whenever bowel or bladder hygiene is conducted, staff shall wear a new pair of disposable gloves prior to beginning.

c. The student shall be placed on a clean, disinfected, and dry changing table or mat. If the student is standing, the area shall be a nonporous and easily cleanable surface.

d. All soiled areas of the body shall be cleaned.

e. Soiled clothes shall be placed in a plastic bag and stored in a sanitary manner.

f. Soiled diapers shall be placed in a covered, impervious plastic-lined receptacle.

22 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability g. If topical ointments are applied, clean gloves shall be donned. Gloves shall be removed before handling clean clothing and diapers.

h. Soiled diapers/underwear and clothing shall be replaced with clean diapers/underwear and clothing.

i. The student’s hands shall be washed.

j. The staff member shall clean to remove any visible soils and disinfect the following:

(1) The diapering area;

(2) The equipment or supplies touched during the process; (3) Any other surfaces or furnishings contaminated with urine or feces; and, (4) For stand-up procedures, the floor/mat shall be cleaned and disinfected if visibly soiled.

k. The staff member shall then thoroughly wash their hands. 6.12 Custodial Areas 6.12.1 Supplies and Storage A. Cleaning materials, tools, and maintenance equipment shall be provided and shall be safely stored and secured in a locked area.

B. Pesticides, toxic or hazardous cleaning and maintenance chemicals and materials shall be properly labeled and stored separately in a ventilated and locked cabinet or area accessible only to authorized staff. The ventilation requirement of this section may not be required in areas where minimum quantities of the above-mentioned materials are stored for daily use. C. All maintenance chemicals and toxic or hazardous substances shall be inventoried at a minimum of once per year.

D. Safety Data Sheets (SDS) for maintenance chemicals, pesticides, and toxic or hazardous substances shall be maintained in an organized format and easy to locate in the event of a spill or accidental exposure.

6.12.2 Sanitizing A. Sanitizers are to be used on commonly touched surfaces such as, but not limited to, chairs, desks, tables, keyboards, door handles, and computer mice. These 23 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability surfaces shall be cleaned and sanitized at least once a week and whenever visibly soiled.

1. Acceptance of sanitizers shall be determined by the following requirements:

a. The chemical shall have a U.S. Environmental Protection Agency registration number, be registered with the Colorado Department of Agriculture, and used in accordance with all labeled instructions, including:

(1) Concentration;

(2) Contact time;

(3) Method; and, (4) Surfaces.

b. During times of increased illness, during an outbreak, or at the discretion of the school personnel, a disinfectant meeting the approval criteria in section 6.12.3(A)(1) may be used on these surfaces. Food contact surfaces and classroom materials that have the potential to be placed in a student’s mouth due to frequent hand-to-mouth behaviors shall be rinsed, unless otherwise instructed by the manufacturer’s labeled instructions, after disinfection.

6.12.3 Disinfecting A. Disinfectants are to be used on surfaces that are commonly contaminated with high hazard body fluids, such as but not limited to restroom surfaces, toilets, diaper changing areas, health services areas, and surfaces that have been in contact with high hazard body fluids.

1. Acceptance of disinfectants shall be determined by the following requirements:

a. The chemical shall have a U.S. Environmental Protection Agency number, be registered with the Colorado Department of Agriculture, and used in accordance with all labeled instructions, including: (1) Concentration;

(2) Contact time;

(3) Method; and, 24 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability (4) Surfaces.

2. The disinfectant used in diaper changing areas and for the clean-up of high hazard bodily fluids shall be effective against norovirus, or an equivalent surrogate, in addition to the approval criteria in Section 6.12.3 (A)(1)(a)(1-4).

B. A disinfectant shall be available during all hours of operation for the health services area, areas where diaper changing or toileting assistance activities occur, and custodial areas responsible for the clean-up of high hazard body fluids.

6.12.4 Laundering A. Towels, wash cloths, and other linens, where provided, shall be laundered using a sanitizing cycle or the highest heat settings available in the washer. If a dryer is provided, the highest heat setting shall be used.

1. Linens, towels, and wash cloths shall be issued clean, used by only one person, and shall be laundered after each use.

2. Multi-use gym clothing, including but not limited to pinnies and jerseys, shall be laundered at a minimum of once per week.

6.13 General Classroom Requirements 6.13.1 Equipment and Supplies A. Instructional materials and sporting goods such as games, balls, and bats, used in or out of the classroom shall be maintained clean and in good repair. B. Facilities shall be available for the proper storage of clean clothing, athletic, instructional, and recreational equipment and supplies. These storage areas shall be designed to minimize health hazards and facilitate effective cleaning. C. Toys and equipment shall meet the current requirements of the Colorado Hazardous Substance Act, Section 25-5-501 and Section 25-5-508, et. seq., C.R.S.

D. Kindergartens, health service rooms, or other areas, where sleeping is permitted, shall be provided with sleeping facilities including cots or pads, with washable or disposable covers. These sleeping facilities shall be maintained in good repair and provided in a clean condition for each new user.

25 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.13.2 Sanitization A. All parts of shared musical instruments that come into contact with the mouth shall be cleaned between users using a chemical designated for this purpose. Items that cannot be cleaned shall be limited to one user. B. Gym equipment shall be kept clean and in good repair. Body contact equipment surfaces, such as weight room equipment and wrestling mats, shall be cleaned and sanitized at the end of each day while in use. A disinfectant may be used at the discretion of the school personnel, provided manufacturer labeled instructions are followed.

C. Equipment used in individualized therapy with students who exhibit frequent hand-to-mouth behaviors shall be cleaned and sanitized at the end of each day, while in use. A disinfectant may be used at the discretion of the school personnel, provided manufacturer labeled instructions are followed. D. Open sores shall be properly covered when that portion of the body may come into contact with shared equipment.

E. Classroom materials that include furniture, decorations, and toys shall be maintained in a clean and sanitary condition. In the instance of a disease outbreak or contamination with high hazard body fluids or animal excrement, any item that cannot be properly sanitized or disinfected shall be properly discarded. 6.13.3 Classroom Animals A. As permitted under the Americans with Disabilities Act, service animals shall be permitted to accompany their handlers throughout the school, provided it is not in food preparation areas. School administrators shall make reasonable accommodations wherever possible to protect the health of students with allergies and asthma from contact with classroom and service animals. B. Animals used for instructional purposes shall be maintained in a sanitary condition and in a manner to prevent health hazards or nuisance conditions. Their enclosures or pens shall be provided with easily cleanable surfaces and maintained in good repair. Hygienic practices shall be supervised during and following contact with animals. Location and/or presence of animals shall be determined based on the protection of the health of students and staff with allergies and/or asthma.

1. Students and staff shall wash their hands after handling animals, their enclosures, or their feed.

C. Live poultry (e.g., chicks and ducklings), reptiles, and amphibians shall be prohibited as pets in classrooms with students under the age of five years old and in other classrooms where students engage in frequent hand-to-mouth behaviors.

26 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 1. Embryology units involving the incubation of poultry eggs are allowed under the following conditions:

a. Eggs and live birds shall be enclosed in an incubator or brooding box at all times.

b. The incubators and brooding boxes shall be placed on a nonabsorbent, smooth, and easily cleanable surface. Flooring beneath shall be non-carpeted and easily cleanable.

c. The areas surrounding the incubators and brooding boxes shall be washed, rinsed, and disinfected at least daily with an approved disinfectant meeting the criteria listed in 6.7.6 (F)(1). The disinfectant used shall have a contact time of five minutes or less. d. Once chicks hatch, they shall be contained in the brooding boxes at all times and removed from the classroom within two weeks. e. Students under the age of five shall not handle the eggs, live birds, or their enclosures.

f. Staff and students five years of age and older involved with the care of the eggs or live birds shall thoroughly wash their hands with soap and running water immediately after handling eggs, birds, or enclosures.

g. All staff and students who participate in the embryology unit shall thoroughly wash their hands prior to meals and snacks.

h. Hand sanitizer shall not be used in place of handwashing in accordance with Section 6.11.6(C).

i. Students shall not eat in classrooms or areas where incubators or brooding boxes are kept, even during inclement weather. j. The school shall contact the Department if there are two or more gastrointestinal illnesses identified, within a similar timeframe, in students or staff in classrooms where the incubators or brooding boxes are located.

k. If students under the age of five are in the building, the animals and their enclosures may not be in a communal area used by these younger students.

D. Live poultry, reptiles, and amphibians from animal ambassador programs administered by actively Association of Zoos and Aquariums accredited institutions are allowed with any age group if the surfaces the animals contact are immediately cleaned and disinfected.

27 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.13.4 Rabies Exposure and Bats A. All dogs and cats within school buildings shall have current rabies vaccinations administered by a licensed veterinarian. The record of rabies vaccinations shall be available at the school whenever the dog or cat is on site. B. All animal bites involving species that are known reservoirs of rabies, including but not limited to dogs, bats, cats, ferrets, raccoons, skunks, and foxes, or any bat exposure shall be immediately reported to the Department in accordance with 6 CCR 1009-1, Epidemic and Communicable Disease Regulations. 6.14 Food Service 6.14.1 Food Service Operations A. Food service activities shall be conducted in accordance with the requirements of the 6 CCR 1010-2, Colorado Retail Food Establishment Regulations. 1. Schools preparing or serving food other than pre-packaged, non- time/temperature control for safety food (TCS), or raw, unprocessed produce shall obtain a Retail Food Establishment License or Certificate of License as required by C.R.S. Title 25-4-1601 et seq., Food Protection Act.

B. Establishments serving food at the school but not prepared by school staff shall be licensed, inspected, and approved by the Department. The food shall be transported, stored, and served in a manner to prevent contamination, time and temperature abuse, or adulteration.

C. Dining activities shall be in areas designated by the school administrator. The dining area shall be maintained in a clean and sanitary condition. 1. The storage, preparation, and consumption of food and drink are prohibited in any area where there are toxic or hazardous materials or substances, including but not limited to laboratories, art, and vocational classrooms. A personal water bottle is allowed when there are no toxic or hazardous materials or substances in use. When a student’s individual health care needs require food to be readily available, it shall be allowed in these areas as long as it is protected from contamination and not available for general consumption.

28 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 6.14.2 Educational Programs A. Schools preparing or serving food other than pre-packaged, Non- Time/Temperature Control for Safety Food (TCS) or raw, unprocessed produce in a classroom setting for educational purposes shall conduct these activities in accordance with the following requirements:

1. Staff and students shall wash their hands prior to handling food, between tasks, and whenever hands become contaminated using the following method:

a. Wash hands with clean water using soap and rub together vigorously all surfaces of the hands and wrists for at least 20 seconds. Rinse hands clean and thoroughly dry hands with a paper towel or another approved drying device.

2. Staff and students shall not prepare food if they have symptoms of foodborne illness or are diagnosed with diseases that are transmissible through food.

3. Except for a student preparing food for themselves, ready-to-eat foods shall not be handled with bare hands.

B. All foods shall be obtained from an approved source. C. Specialized food processes, including but not limited to rendering a Time/Temperature Control for Safety Food (TCS) to be shelf stable, curing, fermenting, and reduced oxygen packaging, shall be approved by the Department prior to engaging in the activity.

D. Food shall be stored and prepared in a way to prevent contamination. E. All Time/Temperature Control for Safety Foods (TCS) shall be thawed, cooked, cooled, and held hot or cold in accordance with 6 CCR 1010-2, Colorado Retail Food Establishment Regulations.

F. Foods shall be date marked in accordance with 6 CCR 1010-2, Colorado Retail Food Establishment Regulations.

G. Food contact surfaces shall be washed, rinsed, and sanitized before use, between groups of students, whenever contaminated, and at least every four hours when in use.

1. The sanitizer used on food contact surfaces shall be an EPA registered sanitizer designated for use on food contact surfaces and maintained at the concentration specified on the product label;

2. Test kits shall be available for sanitizers mixed at the school; 29 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 3. Sinks shall be washed, rinsed, and sanitized using a sanitizer as specified in Section 6.14.2(G)(1) when used for food preparation; and, 4. A sink used for hazardous materials, or a handwashing sink used in conjunction with diapering or toileting activities, shall not be used for food preparation.

H. Dishes, utensils, and cookware shall be washed using one of the following methods:

1. Washed, rinsed, and sanitized using a sanitizer specified in 6.14.2(G)(1) in a single or multiple compartment sink that is not used for hazardous materials or handwashing associated with diapering or toileting activities; or, 2. A domestic or commercial dishwashing machine following the instructions specified by the manufacturer.

3. This Section 6.15.2(H) applies to schools that do not hold a retail food establishment license and are washing food contact surfaces used by students.

I. Hot plates, skillets, or similar type cooking appliances shall be used for food preparation only in kitchen, consumer science rooms, or in rooms specifically designated and equipped for such use.

1. Ventilation hood systems and devices shall be sufficient in number, capacity, and design to prevent grease or condensation from collecting on walls and ceilings.

6.15 Science, Art, and Vocational Classrooms 6.15.1 General Procedures A. All potentially hazardous chemicals, hazardous devices, or hazardous equipment shall be used only in accordance with the product labeling, the Safety Data Sheet (SDS), manufacturer’s instructions, and warnings for safe use of the product or equipment shall be followed.

B. Exposure to noise, hazardous or toxic liquids, dusts, gases, mists, fumes, vapors, or other hazards shall be controlled to avoid health hazards. Guidance on controlling exposure can be found in Section eight of the SDS for each chemical.

1. Harmful or excessive noise shall be controlled through the provision of hearing protection for those engaging in or around the activity. 30 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability a. Shared hearing protection equipment shall be sanitized between users.

2. Chemical spills shall be immediately cleaned, and waste, including clean- up materials used, shall be properly disposed of.

3. When in use, liquids with hazardous or toxic fumes or vapors shall be handled in a secure location and according to manufacturer specifications. a. When these liquids are not in use, they shall be stored in a secure location and according to manufacturer specifications.

C. A current list of emergency services with telephone numbers, including the name, address, and telephone number of the school, shall be posted in the main office and in all areas where hazardous chemicals and equipment are stored and used for educational purposes.

D. Aspirators or suction bulbs shall be used for drawing liquids into pipettes. The mouth shall not be used in any method to syphon or draw liquids. E. Glassware shall be properly constructed and designed for its intended use and shall be maintained clean and in good repair.

F. Radioactive materials and equipment shall conform to 6 CCR 1007-1, Rules and Regulations Pertaining to Radiation Control.

6.15.2 Procurement A. Schools using hazardous chemicals shall purchase:

1. The safest products available that meet the school’s needs (e.g., alternatives that are non-toxic or with few cautionary/warning labels); 2. Chemicals in quantities that meet a demonstrated need; and 3. In quantities that will be expended within the manufacturer’s shelf life. B. Restricted chemicals shall be removed from the school if alternatives are available. If an alternative is not available, restricted chemicals shall be ordered in the smallest quantity available. Restricted chemicals are identified in Appendix B of this regulation.

C. Specimens shall be maintained in a sanitary condition and in a manner to prevent health hazards.

1. Specimens shall be obtained from a reputable supplier and properly stored in an appropriate container.

2. Preservatives shall not be prohibited chemicals.

31 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 3. Specimens shall contain the manufacturer's label with an indication of the preservative used.

6.15.3 Chemical Inventories A. All chemicals, compounds, and hazardous substances shall be inventoried by the school at least once per year. The chemical inventory shall be kept in the area where the chemicals are used, and a copy of the inventory shall also be kept in a location away from where the chemicals are stored. Digital chemical inventories shall be easily accessible to anyone needing access.

B. The inventory shall include the following information: 1. The name of each material;

2. The quantity;

3. The year it entered the school; and 4. If the chemical is restricted, demonstration use only, or waste. C. Any prohibited chemicals present shall be clearly identified in the inventory as chemical waste.

6.15.4 Safety Data Sheets and Chemical Hygiene Plans A. A current SDS shall be provided in an organized and easily searchable format (e.g., alphabetically filed) for all toxic or hazardous substances and shall be easily accessible and available for review upon request. 1. A secondary copy of the SDS shall be kept on file in a location away from the areas where the aforementioned chemicals are stored. Digital or other electronic versions of SDS may be approved at the discretion of the local fire authority.

2. Digital SDS shall be easily accessible to anyone needing access. B. A chemical hygiene plan shall be available, reviewed, and updated annually and whenever necessary, where toxic or hazardous substances are stored or used for educational purposes. A copy or easy access to the plan shall be kept in each chemical storage area and in a secondary location away from where chemicals are stored.

C. Staff responsible for ordering, handling, and/or storing chemicals shall demonstrate knowledge of the chemical hygiene plan, review the plan annually, and the plan shall be reviewed and updated, if necessary, prior to a new chemical being brought into the school.

32 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability D. The chemical hygiene plan shall include the following: 1. School name and address;

2. Date of last revision or review;

3. General laboratory procedures;

4. Chemical management procedures, including procurement, storage, handling, and disposal;

5. Equipment operation and testing;

6. Personal protective equipment;

7. Chemical spill response procedures; and 8. Standard operating procedures for the chemical class (e.g. corrosives, flammable liquids, oxidizers) of all restricted chemicals present in the school that describe the following:

a. Associated chemical hazards;

b. Ventilation and personal protective equipment required; c. Special handling storage requirements;

d. Spill and accident procedures; and e. Waste disposal procedures.

6.15.5 Chemical Waste A. No chemicals shall be disposed of without a hazardous waste determination in accordance with 6 CCR 1007-3 Section 262 of the Colorado Hazardous Waste Regulations.

B. All containers of chemical waste shall be:

1. Labeled with their contents and “not for use”, “waste”, or equivalent language;

2. Handled and stored in a manner that minimizes hazards such as the possibility of a fire, explosion, or release, and separated by reactive group; and 3. Stored in a designated and adequately ventilated area away from normal classroom operations where sufficient space is available and away from sinks and floor drains.

33 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 4. Where space is limited, the Department may approve chemical waste to be stored in the general chemical storage area, provided that chemicals are stored in good condition and do not pose a health hazard. C. Chemicals lacking a demonstrated intended use shall be designated as chemical waste and stored as specified in Section 6.15.5(B) and disposed of in accordance with Section 6.15.5(E-F) immediately or within a timeframe otherwise approved by the Department.

D. Chemicals that show signs of degradation shall be designated as chemical waste, stored as specified in Section 6.15.5(B), and properly disposed of immediately or within a timeframe otherwise approved by the Department. E. Hazardous waste shall be properly disposed of at a permitted facility. F. All other chemical waste shall be disposed of using an appropriate method as provided on the chemical SDS, as indicated by the manufacturer and in accordance with applicable state and local codes, ordinances, regulations, and standards.

6.15.6 Personal Protective Equipment A. Protective clothing and welding helmets maintained in good repair that meets the ANSI Z49.1-2021 Standard- Safety in Welding, Cutting, and Allied Processes shall be worn by all persons participating in, observing, or in close proximity to welding or other such activities that could result in sparks contacting clothing. B. Welding areas shall be separated from other work areas. The use of curtains, screens, and blankets shall comply with the performance and classification requirements outlined in ANSI 4950-2024 Standard, Evaluating Welding Pads, Welding Blankets and Welding Curtains for Hot Work Operations, be securely installed to block the view of welding arcs from nearby individuals, maintained in good condition, and arranged to avoid interference with ventilation. Nothing in this section shall prohibit demonstrations provided the appropriate PPE is worn. C. All persons participating in, observing, or in close proximity to any experiment or activity which could result in eye injury shall wear eye protection that meets the ANSI Z87.1-2020 Standard for Occupational and Educational Personal Eye and Face Protection Devices.

1. Eye protection glasses, goggles, face shields, and similar eye protection devices shall be issued clean, in good repair, and properly sanitized between students and stored in a protected place. The sanitization of eye protection can be accomplished using an ultraviolet light case, a chemical sanitizer in accordance with Section 6.12.2(A)(1), or other effective means approved by the Department.

34 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 2. Ultraviolet light cases used for sanitizing shall be inspected at least annually to ensure the light is working properly or needs replacement, with documentation available upon request.

D. The correct gloves and PPE indicated in the SDS for each chemical shall be worn by the person handling the chemical.

6.15.7 Emergency Equipment A. Where there is potential for exposure to skin with hazardous, toxic, infectious, corrosive, or irritating materials or substances, a hand washing sink stocked with soap and paper towels or an approved drying device shall be easily accessible. B. In the absence of more stringent standards, an easily accessible operational eye wash fountain that meets the ANSI Z358.1-2014, Emergency Eyewash and Shower Standard, shall be provided in all areas where corrosives, strong irritants, or toxic substances are used.

1. Eyewashes shall be tested for proper operation annually to ensure the device provides a hands-free, continuous flow of water capable of flushing both eyes simultaneously. Documentation of annual testing shall be maintained onsite.

2. Plumbed eyewashes shall be activated weekly to clear any sediment buildup.

3. Water drainage from flushing and testing shall not create secondary hazards.

4. An operational plan approved by the Department is required for self- contained eyewashes.

C. In the absence of more stringent standards, an easily accessible emergency shower that meets the ANSI Z358.1-2014, Emergency Eyewash and Shower Standard, shall be provided in areas where there is potential for major portions of the body to contact corrosives, strong irritants, or toxic substances, and the exposed body part cannot be easily rinsed in the available facilities. 1. Emergency showers shall be tested for proper operation annually to ensure the device delivers sufficient water to cascade over the user’s entire body. Documentation of annual testing shall be maintained onsite. 2. Plumbed emergency showers shall be activated monthly to clear any sediment buildup.

3. Water drainage from flushing and testing shall not create secondary hazards.

35 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 4. An operational plan approved by the Department is required for self- contained emergency showers.

D. When required, an emergency eye wash and/or shower shall be installed no more than 55 feet from the storage or use of corrosives, strong irritants, or toxic substances so that it can be reached with impaired vision within 10 seconds or less.

E. A master gas control valve (MGCV), is required on gas supply lines to vocational areas and science laboratories. The MGCV shall stop the flow of gas to all appliances/ equipment located in the room and must function as a manually operated emergency gas shut-off. One MGCV shall be provided for each room that supplied gas lines are provided to.

F. Easily accessible first aid kits stocked with the items listed in Section 6.16.1(A) shall be stored in all science, art, and vocational classrooms that use or store hazardous chemicals, devices, or equipment.

G. All emergency equipment shall be easily accessible, maintained in good repair, labeled with high visibility, and be tested annually with documentation available upon request.

1. Emergency equipment that is not functional shall be labeled as such until it can be replaced or removed.

6.15.8 Storage Provisions A. Toxic or hazardous materials and substances shall be stored by their reactive group and in appropriate containers compatible with their chemical properties. B. Toxic or hazardous materials and substances shall be stored in a locked area that is ventilated or in a cabinet specifically designed for the specific type of hazardous materials being stored.

C. Toxic or hazardous materials and substances shall be stored according to the chemical manufacturer's specified temperature requirements at all times, including during school holidays and breaks.

D. All containers of chemicals shall be clearly labeled with the name, original quantity of the material, and the date the material entered the school. E. Secondary containers and/or prepared solutions intended for storage shall be labeled with the chemical name and, if applicable, the formula (including solvent), date of preparation, disposal date, and concentration.

F. Schools shall not purchase or accept donations of prohibited chemicals. If prohibited chemicals are found in the school, they shall be identified on the container label as “not for use”, “waste”, or equivalent language, segregated from 36 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability the chemical inventory, and have a plan for disposal. Prohibited chemicals are listed in Appendix A to this regulation.

G. Laboratory grade chemicals approved to be in the school that are capable of forming peroxides shall be expended or removed from the school and properly disposed of by the maximum shelf life determined by the manufacturer. H. Food for consumption shall not be stored in refrigerators used for flammable or any other laboratory related materials.

I. Food containers shall not be used to store toxic or hazardous chemicals or materials.

6.15.9 Chemical Labeling A. If restricted chemicals are present, each chemical shall be identified in the school’s chemical inventory and addressed in the chemical hygiene plan as required in Sections 6.15.4(D)(8) of these regulations. Containers of restricted chemicals shall be clearly labeled as “Restricted” or equivalent marking. B. Refrigerators used for storing flammable compounds shall be prominently marked to indicate they meet the appropriate design requirements for safe storage of flammable liquids.

C. Refrigerators used for storing chemical or biological specimens shall be labeled “No Food” or other similar language.

D. Food and food containers used in science, art, and other educational activities shall be labeled as “not for consumption” or other similar language and segregated from foods intended for consumption.

6.15.10 Science, Art, and Vocational Ventilation A. All areas where hazardous or toxic materials or substances are used or stored shall be adequately ventilated through mechanical means so that exposures to hazardous or toxic materials, hazardous, toxic or noxious gases, mists, vapors, or dusts are maintained to a safe level.

B. A dust collection system, or another approved method, shall be installed in areas where wood cutting occurs.

C. The appropriate local exhaust ventilation or controls shall be provided during the use of a chemical process when:

1. The manufacturer of the machine/product used instructs the use of local exhaust ventilation to be used; or 37 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 2. The SDS instructs that a specific type of ventilation, such as a fume hood, shall be used; or 3. When processes generate aerosols, dust, or fumes, such as cutting, grinding, welding, or working with harmful powders, including but not limited to silica or sodium hydroxide powder.

D. Local exhaust ventilation shall be installed and maintained according to manufacturer instructions.

E. Local exhaust ventilation shall be provided so that contaminants are exhausted away from the individual and not through the breathing zone. F. Sufficient fume hood capacity ventilation shall be provided and used for any activity producing hazardous, toxic or noxious gases, mists, vapors, or dusts. 1. Hoods shall exhaust directly to the outside and be located a minimum of 10 feet from any building air-intakes or building openings or installed and maintained in accordance with applicable state and local codes, ordinances, and regulations that are more stringent.

2. Discharges of any reportable air pollutant from any exhaust hood shall meet applicable Colorado Air Pollution Standards.

3. Hoods shall be operated according to the manufacturer’s instructions. In the absence of other applicable standards, a minimum face velocity of 80 feet per minute (fpm) and a maximum of 120 fpm for general laboratory hoods must be provided.

4. Face velocity of fume hoods, as measured in feet per minute, shall be tested using a velometer or other approved method annually, with documentation available upon request.

6.16 Health Services 6.16.1 CPR and First Aid A. Basic first aid equipment and supplies, including gauze pads, rolled gauze, adhesive tape, cold pack, plastic bags, disposable gloves, bandages, hand cleaner, and scissors, shall be provided and kept conveniently available for emergency use.

1. In the absence of permanently installed emergency lighting, handheld emergency lighting shall be available.

2. Emergency use blankets shall be available and easily accessible. 38 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability 3. First aid supplies and equipment with an expiration date shall be discarded and replaced once that date has passed.

B. At all times during the school day and during all hours of the school sponsored events, including those off-site and overnight, at least one staff member shall be on duty in each school who has a current certification from a nationally recognized course in Standard First Aid and Cardiopulmonary Resuscitation (CPR) certification course. A list of people currently certified, as described above, shall be maintained in each school office. This requirement does not apply in situations to individual student activities, such as, but not limited to, the following: 1. Students being transported by district buses to and from school; or 2. Students completing individual internships or other similar programming during school hours; or 3. Students completing classes at a community college or university during school hours; or 4. Students volunteering and/or completing extra-credit outside of school hours, unless it is a school sponsored volunteer project involving more than one student; or 5. Student clubs or organizations where meetings are held off-site after school hours and a school staff member is not present.

C. Schools that acquire Automated External Defibrillators (AEDs) shall ensure public health and safety in accordance with C.R.S. 13-21-108.1. 6.16.2 Health Services Area A. Separate well-ventilated rooms or areas shall be available in every school for emergency use in providing care for students who are ill or suspected of having communicable diseases.

B. Every health services room or area shall have an easily accessible restroom within 50 feet and shall be provided with at least one cot or mat for every 400 students. Each cot and pillow shall have an easily cleanable, non-absorbent surface or cover which is sanitized after each use. Surfaces contaminated with a high hazard body fluid shall be disinfected with a disinfectant in accordance with Section 6.12.3(A)(2).

C. A sink with hot and cold running water according to Section 6.11.6(B) shall be located in the health services room or area. Unless prohibited by local code, in new and extensively remodeled schools, a restroom directly adjoining the health services room is required and shall be for the exclusive use of health services. 39 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability D. Telephone or radio communications shall be provided and kept available in each school for emergency purposes.

E. A current list of emergency services, including telephone numbers, and the address and telephone number of the school, shall be posted in one or more prominent locations in each school.

6.16.3 Medications A. Medications shall only be administered by those individuals authorized by law or delegated individuals per 3 CCR 716-1, Nursing Rules and Regulations, or 3 CCR 713-1, Medical Rules and Regulations.

B. Medication shall be inaccessible to students and shall be stored in the original container in a controlled area separated from food, cleaning compounds, and other toxic substances. All emergency medications shall be immediately available to trained school personnel, and in an unlocked location (e.g., emergency kit or bag, cabinet).

C. If refrigeration is required, a thermometer capable of measuring the ambient temperature shall be provided, and the medication shall be stored: 1. In a separate refrigerator maintained for that purpose only, or 2. In an impervious secondary container in a designated area of a food storage refrigerator, separated from food and inaccessible to students; and 3. Held at the temperature specified by the manufacturer. D. Medications acquired by the school or abandoned by parents shall be disposed of in accordance with 6 CCR 1007-2, Part 1, Regulations Pertaining to Solid Waste Sites and Facilities and 6 CCR 1007-3, Parts 260-268, and Parts 99 and 100.

E. Medical oxygen shall not be used by students or staff in areas with open flames. Signage shall be posted in the school that oxygen is in use. 6.16.4 Disease Control A. Schools shall comply with 6 CCR 1009-2, The Infant Immunization Program and the Immunization of Students Attending School.

B. A written plan with common procedures for handling medical emergencies and infectious disease outbreaks shall be kept and made available for review. The plan shall be reviewed annually and updated as necessary. 40 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability C. Schools shall have written procedures for staff to follow when responding to vomiting or diarrheal events that involve the discharge of vomitus or fecal matter onto surfaces in the school. The procedures shall address the specific actions staff must take to minimize the spread of contamination and the exposure of staff, students, food, food contact surfaces, and other surfaces to vomitus or fecal matter.

D. Staff shall wear gloves and necessary personal protective equipment when handling or cleaning surfaces contaminated with high hazard body fluids. E. Schools shall follow the Department’s Infectious Disease Guidelines for Schools and Child Care, including reporting requirements to the Department in accordance with 6 CCR 1009-1, Epidemic and Communicable Disease Control. 41 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability APPENDICES 42 Appendix A – Prohibited Chemicals Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* 2-Butanol, 2-octonal may form explosive peroxides upon concentration (Secondary Alcohols) C2H5CH(OH)CH3 78-92-2 Acetal may form explosive peroxides upon concentration; toxic (1,1-Diethoxyethane) 105-57-7 C6H14O2 may form explosive peroxides upon concentration; possibly Acetaldehyde CH3CHO 75-07-0 carcinogenic to humans; highly (Ethanal) flammable Acetyl Halides (e.g., respiratory irritant, toxic; violent Acetyl Fluoride, Acetyl reaction with water; dangerous Chloride, Acetyl fire risk Bromide, Acetyl Iodide)

Acetyl Nitrate CH3CONO3 591-09-3 shock sensitive flammable and reactive; may be fatal if ingested, inhaled, or Acrolein CH2CHCHO 107-02-8 absorbed through the skin Acrylic Acid H2CCHCO2H 79-10-7 may form explosive peroxides; (Propenoic Acid) reactive; corrosive 43 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* may form explosive peroxides;

possibly carcinogenic to Acrylonitrile CH2CHCN 107-13-1 humans; flammable; reactive Alcohols (Allylic, Benzylic)

Note: Alcohols are referred to as allylic or benzylic if the hydroxyl group is bonded to an allylic carbon atom may form explosive peroxides (adjacent to a C=C upon concentration double bond) or a benzylic carbon atom (next to a benzene ring), respectively.

(e.g., 3- penten-2-ol;

2-propen-1-ol (allyl alcohol), 1- phenylethanol, phenylmethanol (benzyl alcohol), diphenylmethanol (diphenylcarbinol), triphenylmethanol (triphenylcarbinol)).

44 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Alkyl-Substituted Cycloaliphatics Note: Methyl-, ethyl-, propyl-, butyl- are common alkyl may form explosive peroxides substituents. A upon concentration cycloaliphatic is a cyclic hydrocarbon such as cyclopropane, cyclobutane, or cyclohexane (e.g., tert- butylcycloheptane or 1-cyclobutyl-4- methylpentane).

water-reactive; generates poisonous and explosive gas Aluminum Phosphide AlP 20859-73-8 when in contact with air or moisture Amatol (TNT and explosive Ammonium Nitrate mixture)

Ammonal (TNT, explosive Ammonium Nitrate, and Aluminum Powder Mixture)

Ammonium Bromate NH4BrO3 13843-59-9 shock sensitive Ammonium Chlorate NH4ClO3 10192-29-7 strong oxidizer; explosive Ammonium NH3Co(NO2)6 13600-98-1 explosive Hexanitrocobaltate 45 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Ammonium Nitrite NH4NO2 13446-48-5 explosive Ammonium NH4ClO4 7790-98-9 strong oxidizer; explosive; irritant Perchlorate strong oxidizer; explosive;

irritant; inhalation hazard Ammonium Periodate NH4IO4 13446-11-2 Ammonium NH4MnO4 13446-10-1 explosive Permanganate Ammonium (NH4)3CrO8 explosive Tetraperoxychromate dust fire and explosion hazard;

poison; corrosive; reactive;

Antimony Compounds some antimony compounds are (e.g., triethyl stibine, possibly carcinogenic to humans tripropyl stibine, trivinyl stibine, antimony trichloride, antimony pentachloride, nickel antimonide)

46 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Arsenic and Arsenic Compounds (e.g., lead arsenate, sodium carcinogenic to humans; poison arsenate, sodium arsenite, Trisilyl Arsine, arsine, arsenic trioxide)

Azide Compounds acutely toxic; shock sensitive;

(e.g., hydrogen azide, explosive sodium azide, copper azide, lead (dinitride)

azide)

Azidocarbonyl C2H4N6O 54567-24-7 shock sensitive, explosive Guanidine water-reactive; may ignite on contact with water or moist air;

Barium Ba 7440-39-3 acutely toxic Barium Chlorate Ba(ClO3)2·H2O 13477-00-4 explosive; strong oxidizer; toxic Barium Oxide BaO 1304-28-5 poison; water-reactive (Anhydrous)

Barium Peroxide BaO2 1304-29-6 poison; water-reactive; oxidizer Benzene C6H6 71-43-2 carcinogenic to humans;

flammable Benzene Diazonium C6H5ClN2 100-34-5 explosive Chloride Benzotriazole C6H5N3 95-14-7 explosive 47 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability flammable; explosive; oxidizer;

sensitizer; allergen; reacts Benzoyl Peroxide (C6H5CO)2O2 94-36-0 violently with bases reacts violently with oxidants;

may form explosive peroxides Benzyl Alcohol C6H5CH2OH 100-51-6 upon concentration strong oxidizer; contact with other material may cause fire;

Bismuth Nitrate Bi(NO3)3·5H2O 10035-06-0 toxic Boranes and Diboranes (e.g., borane, poison; flammable; water- tribromoborane, reactive trifluoroborane, diborane, pentaborane, methyldiborane)

48 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* oxidizer; poison; inhalation hazard; corrosive; reacts with Bromine Pentafluoride BrF5 7789-30-2 water with explosive force oxidizer; poison; inhalation hazard; corrosive; reacts with Bromine Trifluoride BrF3 7787-71-5 water with explosive force may for explosive peroxides;

carcinogenic to humans Butadiene C4H6 106-99-0 Butanetriol Trinitrate C4H7N3O9 6659-60-5 explosive (BTTN)

Cadmium and Cadmium Compounds (e.g., cadmium carcinogenic to humans; highly hydroxide, cadmium toxic oxide, cadmium sulfide)

strong oxidizer; may explode if shocked or heated Calcium Nitrate, Ca(NO3)2 10124-37-5 Anhydrous Calcium Ca(MnO4)2 10118-76-0 strong oxidizer Permanganate Carbon Tetrachloride CCl4 56-23-5 possibly carcinogenic to humans; acutely toxic controlled barbiturate; probably carcinogenic to humans Chloral Hydrate CCl3CH(OH)2 302-17-0 Chlorine Cl2 7782-50-5 oxidizer, corrosive, may be fatal if inhaled 49 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* oxidizer; flammable and reactive; shock sensitive;

Chlorine Dioxide ClO2 10049-04-4 explosive powerful oxidizer; explosive reaction with water and acids;

Chlorine Trifluoride ClF3 7790-91-2 poisonous if inhaled Chlorine Trioxide ClO3 13932-10-0 shock sensitive; explosive Chloroacetylene C2HCl 593-63-5 shock sensitive; air reactive 50 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Chloroform CHCl3 67-66-3 poison; possibly carcinogenic to humans shock sensitive; explosive;

poison; inhalation hazard Chloropicrin CCl3NO2 76-06-2 may form explosive peroxides;

possibly carcinogenic to humans Chloroprene C4H5Cl 126-99-8 Chlorotrifluoroethylene C2F3Cl 79-38-9 may form explosive peroxides Chromic Chloride CrCl3·6H2O 10060-12-5 acutely toxic; fatal if inhaled (Chromium (III)

Chloride)

Chromium (Powder) Cr 7440-47-3 flammable; toxic water-reactive; chromium (VI)

compounds are carcinogenic to Chromyl Chloride CrO2Cl2 14977-61-8 humans Cobalt (Powder) Co 7440-48-4 possibly carcinogenic to humans Colchicine C22H25NO6 64-86-8 acutely toxic Copper Acetylide Cu2C2 1117-94-8 explosive may form explosive peroxides upon concentration; possibly Cumene C6H5CH(CH3)2 98-82-8 carcinogenic to humans (Isopropylbenzene)

may form explosive peroxides;

flammable; corrosive; toxic Cycloheptanone C7H12O 502-42-1 51 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* may form explosive peroxides upon concentration Cyclohexanol C6H11OH 108-93-0 may form explosive peroxides upon concentration Cyclopentene 142-29-0 C5H8 may form explosive peroxides upon concentration; highly Diacetylene 460-12-8 flammable; explosive (Butadiyne)

C4H2 Diazidoethane C2H4N6 629-13-0 explosive Diazodinitrophenol C6H2N4O5 4682-03-5 explosive (DDNP)

52 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Diazomethane CH2N2 334-88-3 poisonous and flammable gas may form explosive peroxides upon concentration; acutely Dicyclopentadiene C10H12 77-73-6 toxic; fatal if inhaled; flammable Diisopropyl Ether 108-20-3 may form explosive peroxides C6H14O Dinitrophenol C6H3OH(NO2)2 51-28-5 explosive may form explosive peroxides upon concentration; possibly Dioxane C4H802 123-91-1 carcinogenic to humans Dipentaerythritol 13184-80-0 explosive Hexanitrate (DPEHN)

C10H16N6O19 Disulfur Dinitride S2N2 25474-92-4 explosive may form explosive peroxides;

acutely toxic; highly flammable Divinyl Acetylene 821-08-9 C6H6 may form explosive peroxides;

highly flammable Divinyl Ether 109-93-3 C4H6O2 may form explosive peroxides upon concentration Ethyl Ether (diethyl (C2H5)2O 60-29-7 ether)

Ethyl Nitrite C2H5NO2 109-95-5 explosive 53 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Ethylene Glycol may form explosive peroxides Dimethyl Ether (Glyme upon concentration or 1,2- C4H10O2 28923-39-9 Dimethoxyethane)

Ethylene Glycol 628-96-6 explosive Dinitrate (EGDN or 1,2-Dinitroxyethane) C2H4N2O6 carcinogenic to humans;

flammable; explosive; may be fatal if inhaled or absorbed through the skin Ethylene Oxide C2H4O 75-21-8 carcinogenic to humans;

Formaldehyde CH2O 50-00-0 poison; may cause allergic reaction 54 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* possibly carcinogenic to humans; may form explosive Furan C4H4O 110-00-9 peroxides upon concentration Glycerol Monolactate explosive Trinitrate (GLTN)

C6H9N3O11 Grignard Reagents Both the Grignard Reagent and and their solvents the solvents are hazardous. The Note: a Grignard Grignard Reagents can be Reagent has a highly reactive, corrosive, formula RMgX where pyrophoric, and toxic. The X is a halogen and R solvents are highly flammable is an alkyl or aryl and may form explosive (based on a benzene peroxides.

ring) group. An example is CH3CH2MgBr (ethylmagnesium bromide). They are typically found in solution with tetrahydrofuran or ether as the solvent.

Guanyl Nitrosamino explosive; strong oxidizer Guanylidene Hydrazine Hexyl Alcohol CH3(CH2)4CH2OH 111-27-3 highly flammable; poison HMX C4H8N8O8 2691-41-0 explosive corrosive; may be fatal if inhaled or ingested; liquid and vapor can cause severe burns not always immediately painful or visible, Hydrofluoric Acid HF 7664-39-3 but possibly fatal 55 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* fire and explosion risk, severely corrosive; strong oxidizer Hydrogen Peroxide H2O2 7722-84-1 (>30%)

highly flammable; exposure to very high concentrations causes Hydrogen Sulfide H2S 7783-06-4 immediate death; death or permanent injury may occur after very short exposure to small quantities Isopropyl Ether C6H14O 108-20-3 highly flammable; may form (Diisopropyl Ether) explosive peroxides Lead PbC6H2(NO2)2(OH)2 explosive; probably carcinogenic Dinitroresorcinate to humans (LDNR)

56 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* toxic; probably carcinogenic to humans; will accelerate burning Lead Dioxide PbO2 1309-60-0 in fire; may explode from heat or contamination (Lead (IV) Oxide or Lead Brown)

explosive; shock sensitive;

probably carcinogenic to Lead PbC6H3NO2(OH)2 51317-24-9 humans Mononitroresorcinate (LMNR)

Lead PbC6H(NO2)3(OH)2 15245-44-0 explosive; probably carcinogenic Trinitroresorcinate to humans (Lead Styphnate)

Lithium Nitrate LiNO3 7790-69-4 oxidizer; shock sensitive highly flammable; powder is easily ignited and burns with Lithium Nitride Li3N 26134-62-3 intense heat; may ignite spontaneously in moist air Lithium Peroxide Li2O2 12031-80-0 oxidizer; toxic; explosive reacts with water to liberate hydrogen gas; flammable solid;

Magnesium Mg 7439-95-4 easily ignited (except Mg ribbon & turnings)

Magnesium Peroxide MgO2 14452-57-4 strong oxidizer Mannitol Hexanitrate C6H8N6O18 15825-70-4 explosive; strong oxidizer 57 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Mercury Hg 7439-97-6 corrosive; poison; severely and subtly toxic (except in sealed devices)

Mercury Compounds poison; severely and subtly toxic (e.g., Nessler's Reagent, mercuric chloride, mercuric potassium iodide, mercuric fluoride)

highly flammable; may form explosive peroxides upon Methyl Acetylene C3H4 74-99-7 concentration Methyl Cyclopentane C6H12 96-37-7 highly flammable Methyl Isobutyl CH3COCH2C H(CH) 108-10-1 highly flammable; vapors may Ketone (4-Methyl-2- travel a considerable distance Pentanone or MIBK) and ignite; may form explosive peroxides; possibly carcinogenic to humans 58 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Methyl Isocyanate water-reactive; highly flammable; polymerizable CH3NCO 624-83-9 may form explosive peroxides;

flammable; explosive (vapor)

Methyl C5H8O2 80-62-6 MethacrylateMonomer meta-Trinitrocresol 602-99-3 explosive; strong oxidizer (3-Methyl-2,4,6- C7H5N3O7 trinitrophenol)

Nessler's Reagent (Mercuric Potassium Hg+KI+NaOH 7783-33-7 Iodide and Sodium Hydroxide)

Nicotine C10H14N2 54-11-5 poison; acutely toxic Nitroglycerin 55-63-0 explosive; strong oxidizer C3H5N3O9 explosive; highly flammable;

water- reactive; decomposes at Nitrosoguanidine C2H5N5O3 70-25-7 elevated temperatures acutely toxic; may be fatal if inhaled or ingested Osmic Acid (Osmium OsO4 20816-12-0 Tetroxide)

ortho-Toluidine (e.g., C7H9N 95-53-4 carcinogenic to humans; poison Toluidine Blue)

Pentaerythrite 78-11-5 explosive; strong oxidizer Tetranitrate (PETN)

C5H8N4O12 59 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* strong oxidizing agent;

corrosive; contact with organics Perchloric Acid HClO4 7601-90-3 may result in explosion; can cause serious or permanent injury combustible; corrosive; may be fatal if inhaled, ingested, or Phenol C6H6O 108-95-2 absorbed through skin extremely toxic; poison; emits toxic fumes when heated Phenyl Thiourea C7H8N2S 103-85-5 flammable solid; self- ignition possible; evolves dangerous gas Phosphorus (yellow or P 7723-14-0 if burned white)

60 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Phosphorus Halides and Oxides (e.g., water-reactive; corrosive; toxic phosphorus trichloride, phosphorus trioxide, phosphorus, pentabromide)

Phosphides (e.g., magnesium aluminum phosphide, potassium poison; water-reactive phosphide, sodium phosphide)

Phthalic Anhydride 85-44-9 explosive; water- reactive C8H4O3 Picramide C6H4N4O6 489-98-5 explosive; strong oxidizing agent Picrates and Picryl Compounds (e.g.,ammonium picrate, lead picrate, explosive potassium picrate, picryl sulfonic acid, picryl chloride)

Picric Acid (2,4,6- 88-89-1 extremely reactive; explosive Trinitrophenol) when dry C6H3N3O7 61 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* para-Nitrophenol (4- NO2C6H4OH 100-02-7 poison; forms explosive mixtures Nitrophenol)

Polyvinyl Nitrate (C2H3NO3)n explosive; shock sensitive (PVN or polyethenyl nitrate)

Potassium violently water reactive; may form explosive peroxides;

(except 1 container combustible; flammable solid;

K 7440-09-7 with 5 small ignites when exposed to water demonstration sized or moisture; may ignite pieces) spontaneously in air;

Potassium Amide KNH2 17242-52-3 may form explosive peroxides Potassium Cyanide KCN 151-50-8 acutely toxic Potassium KC6H2N4O6 29267-75-2 explosive Dinitrobenzofuroxan (KDNBF)

Potassium Nitrite KNO2 7758-09-0 strong oxidizer Potassium Perchlorate KClO4 7778-74-7 explosive Potassium Periodate KIO4 7790-21-8 strong oxidizer Potassium Peroxide 17014-71-0 water-reactive; strong oxidizer K2O2 Potassium Superoxide KO2 12030-88-5 water-reactive; strong oxidizer RDX C3H6N6O6 121-82-4 explosive 62 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Silanes and flammable; reactive; highly Chlorosilanes (e.g., toxic silane; dichlorosilane;

tetramethylsilane;

trichlorosilane)

Silicon Tetrachloride SiCl4 10026-04-7 air- and water-reactive; corrosive Silver Acetylide Ag2C2 13092-75-6 explosive; shock sensitive acutely toxic; may be fatal if inhaled, ingested, or absorbed Silver Cyanide AgCN 506-64-9 through skin Silver Ag2C6H(NO3)2(OH)2 reactive; ignitable; shock Dinitroresorcinate sensitive (Silver Styphnate)

Silver Fulminate AgCNO 5610-59-3 explosive Silver Cyanate AgOCN 3315-16-0 toxic Silver Nitride Ag3N 20737-02-4 shock sensitive; explosive Silver Oxalate Ag2C2O4 533-51-7 shock sensitive Silver Tetrazene shock sensitive Sodium Amide NaNH2 7782-92-5 may form explosive peroxides; water- reactive; highly flammable Sodium Chlorate NaClO3 7775-09-9 oxidizer; explosive Sodium Chlorite NaClO2 7758-19-2 oxidizer; explosive Sodium Cyanide NaCN 143-33-9 acutely toxic 63 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Sodium Dithionite Na2S2O4 7775-14-6 spontaneously combustible; (Sodium Hydrosulfite) water- reactive; pyrophoric spontaneously combustible;

water- reactive; pyrophoric Sodium Methylate NaCH3O 124-41-4 64 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Sodium Perborate NaBO3 7632-04-4 air- and water- reactive; explosive Sodium Perchlorate NaClO4 7601-89-0 oxidizer; water-reactive; explosive Sodium NaMnO4 10101-50-5 oxidizer; explosive Permanganate oxidizer; water- reactive; toxic;

explosion and fire risk in Sodium Peroxide Na2O2 1313-60-6 combination with powdered metals and organics Strontium Perchlorate SrCl2O8 13450-97-0 shock sensitive highly flammable; may form explosive peroxides;

Styrene Monomer C8H8 100-42-5 polymerizable air- and water-reactive;

corrosive; poison; inhalation Sulfur Trioxide SO3 7446-11-9 hazard Sulfuryl Chloride air- and water-reactive;

(Sulfonyl Chloride) corrosive; poison; inhalation Cl2O2S 7791-25-5 hazard Sulfuryl Chloride ClFO2S 13637-84-8 poison; water-reactive; corrosive Fluoride spontaneously combustible;

pyrophoric; fire will produce tert-butyl Hypochlorite C4H9ClO 507-40-4 irritating, corrosive, and/or toxic gases 65 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* may form explosive peroxides;

highly flammable; probably Tetrafluoroethylene C2F4 116-14-3 carcinogenic to humans highly flammable; oxidizes in air to form explosive peroxides Tetrahydrofuran C4H8O 109-99-9 66 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* highly flammable; vapors may form explosive mixtures with air;

Tetrahydronaphthalen C10H12 119-64-2 may form explosive peroxides e upon concentration oxidizer; poison; possibly carcinogenic to humans;

Tetranitromethane CN4O8 509-14-8 inhalation hazard; explosive Tetraselenium Se4N4 12033-88-4 shock sensitive Tetranitride Tetrazene C2H6N10·H2O 31330-63-9 shock sensitive; explosive (tetrazolyl guanyltetrazene hydrate)

Tetryl (2,4,6- 479-45-8 oxidizer; explosive trinitrophenylmethylnitr oamine) C7H5N5O8 Thallium Nitride Tl3N 12033-67-9 shock sensitive Thermit (example: flammable solid; dangerous fire could be a mixture of risk; once started, reaction is aluminum powder, very difficult to stop iron oxide, ferro managanese, and ferro vanadium)

Thermite Igniting becomes a fire hazard if Mixture (example: exposed to a flame or high could be a mixture of temperatures aluminum, barium nitrate, iron oxide and a binder such as dextrin on a copper stick)

67 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Thiocarbonyl CCl4S 594-42-3 poison; inhalation hazard Tetrachloride (Perchloromethyl Mercaptan)

violently water-reactive;

lachrymator; highly corrosive;

Thionyl Chloride SOCl2 7719-09-7 toxic spontaneously combustible; may ignite on contact with moist air or Titanium (Powder) Ti 7440-32-6 moisture water-reactive; corrosive;

acutely toxic; may be fatal if Titanium Tetrachloride TiCl4 7550-45-0 inhaled spontaneously combustible;

flammable gas is produced on Triethyl Aluminum (C2H5)3Al 97-93-8 contact with water 68 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* spontaneously combustible;

reacts violently with water Triisobutyl Aluminum (C4H9)3Al 100-99-2 producing flammable gas spontaneously combustible;

flammable gas is produced on Trimethyl Aluminum (CH3)3Al 75-24-1 contact with water Trinitroanisole 606-35-9 explosive; strong oxidizer C7H5N3O7 Trinitrobenzene 99-35-4 explosive; flammable solid;

strong oxidizer C6H3N3O6 129-66-8 or explosive; highly flammable;

strong oxidizer Trinitrobenzoic Acid C7H3N3O8 35860-50-5 Trinitronaphthalene C10H5N3O6 2243-94-9 explosive; strong oxidizer (1,3,5- Trinitronaphthalene)

Trinitroresorcinol C6H3N308 82-71-3 explosive; strong oxidizer Trinitrotoluene (TNT 118-96-7 explosive; strong oxidizer or 2,4,6- Trinitrotoluene) C7H5N3O6 Uranium and Uranium Compounds (e.g., uranium oxide, Uranyl toxic by inhalation or ingestion Acetate, Uranyl Nitrate, uranium hexafluoride, uranium tetrafluoride)

69 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Urea Nitrate CH4N2O.HNO3 124-47-0 explosive; strong oxidizer may form explosive peroxides;

possibly carcinogenic to Vinyl Acetate 108-05-4 humans; reactive C4H6O2 Vinyl Acetylene 689-97-4 may form explosive peroxides;

reactive C4H4 carcinogenic to humans; may form explosive peroxides;

Vinyl Chloride C2H3Cl 75-01-4 reactive Vinyl Ethers (e.g., may form explosive peroxides divinyl ether; 2- upon concentration chloroethylvinyl ether;

butyl vinyl ether)

70 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix A – Prohibited Chemicals Name Formula CAS # Hazard* Vinylidene Chloride C2H2Cl2 75-35-4 may form explosive peroxides (1,1-Dichloroethene or 1,1-DCE)

oxidizer; used as an oxidant in explosives; toxic Zinc Peroxide ZnO2 1314-22-3 * The hazard information provided for the listed chemicals is not intended to address all safety concerns. Before attempting to work with any chemical, review and comply with information provided on the SDS.

71 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life 2-Butanone highly flammable;

may form explosive (Methyl Ethyl Ketone or CH3COC2H5 78-93-3 peroxides Good MEK)

possibly Poor; deliquescent carcinogenic to Acetamide CH3CONH2 60-35-5 humans Acetanilide (n-Phenylacetamide or CH3CONHC6H103-84-4 combustible; irritant Indefinite Acetamidobenzene) 5 Acetic Acid CH3COOH 64-19-7 flammable; corrosive Good water-reactive;

corrosive; flammable Acetic Anhydride (CH3CO)2O 108-24-7 Good Acetone CH3COCH3 67-64-1 highly flammable; Good inhalation hazard Acetylcholine Bromide C7H16BrNO2 66-23-9 toxic; irritant Good Acridine Orange C17H19N3 10127-02-3 irritant Fair Adipoyl Chloride ClOC(CH2)4C 111-50-2 corrosive Poor OCl Alizarin Red C14H7NaO7S 130-22-3 toxic Indefinite Alkyl Aluminum Unavailable Unavailable water reactive Poor; deliquescent Chloride 72 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life water-reactive;

strong reducing Aluminum (Powder) Al 7429-90-5 agent; pyrophoric Indefinite Aluminum Acetate Al(C2H3O2)2O 142-03-0 toxic Good H Aluminum Bromide AlBr3 7727-15-3 air- and water- Fair reactive; corrosive Aluminum Chloride AlCl3·6H2O 7784-13-6 water-reactive; Poor; deliquescent Hexahydrate corrosive water-reactive;

corrosive; inhalation Aluminum Fluoride AlF3 7784-18-1 hazard Fair Aluminum Hydroxide Al(OH)3 21645-51-2 possibly toxic Indefinite Aluminum Nitrate Al(NO3)3·9H2 7784-27-2 strong oxidizer Indefinite O 73 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Aluminum poison; air- and Tetrahydroborate water–reactive;

(Aluminum Al(BH4)3 16962-07-5 pyrophoric; strong Fair Borohyrdide) reducing agent poison; water- reactive; inhalation Ammonia, Anhydrous NH3 7664-41-7 hazard; corrosive Indefinite Ammonia Solutions in NH3 7664-41-7 corrosive; reactive; Indefinite Water toxic Ammonium Acetate NH4C2H3O2 631-61-8 inhalation hazard; Poor; deliquescent irritant Ammonium NH4HCO3 1066-33-7 inhalation hazard; Good Bicarbonate irritant chromium (VI)

compounds are carcinogenic to humans; strong Ammonium Dichromate (NH4)2Cr2O7 7789-09-5 Fair oxidizer; poison inhalation hazard; Fair to poor;

irritant hygroscopic Ammonium Bromide NH4Br 12124-97-9 Ammonium Carbonate NH4CO3 10361-29-2 inhalation hazard; Indefinite irritant Ammonium Chloride NH4Cl 12125-02-9 toxic; inhalation Fair to poor; hazard; irritant hygroscopic chromium (VI)

compounds are Ammonium Chromate (NH4)2CrO4 7788-98-9 carcinogenic to Indefinite humans; strong oxidizer; poison 74 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Fair to poor;

substance is Ammonium Fluoride NH4F 12125-01-8 corrosive; toxic deliquescent Ammonium Hydroxide NH4OH 1336-21-6 inhalation hazard; Indefinite severely corrosive Poor; very hygroscopic Ammonium Iodide NH4I 12027-06-4 inhalation hazard Ammonium Molybdate (NH4)6Mo7O2412054-85-2 toxic Indefinite Tetrahydrate ·4H2O 75 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Ammonium Nitrate NH4NO3 6484-52-2 shock sensitive; Poor (500 g limit) oxidizer Ammonium Oxalate (NH4)2C2O4·H6009-70-7 corrosive; toxic Indefinite Monohydrate 2O Ammonium Phosphate, respiratory hazard;

Dibasic (Diammonium potential for skin and Hydrogen Phosphate (NH4)2HPO4 7783-28-0 eye damage Indefinite Ammonium Phosphate, respiratory hazard;

Monobasic potential for skin and (Ammonium NH4H2PO4 7722-76-1 eye damage Indefinite Dihydrogen Phosphate)

Ammonium Sulfate (NH4)2SO4 7783-20-2 respiratory hazard Indefinite respiratory hazard;

corrosive; poison;

Ammonium Sulfide (NH4)2S 12135-76-1 flammable Good Ammonium Tartrate (NH4)2C4H4O 3164-29-2 irritant Fair 6 inhalation hazard; Poor; deliquescent strong reducing Ammonium NH4SCN 1762-95-4 agent Thiocyanate Amyl Acetate CH3COOC5H1 628-63-7 flammable; toxic Good 1 Aniline C6H5NH2 62-53-3 acutely toxic Poor Aniline Hydrochloride C6H5NH2·HCl 142-04-1 corrosive; acutely Poor toxic Anisoyl Chloride air- and water- (Methyoxybenzoyl reactive; corrosive;

Chloride) C8H7ClO2 100-07-2 Fair 76 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Barium Acetate Ba(C2H3O2)2 543-80-6 acutely toxic Indefinite Barium Carbide BaC2 50813-65-5 water–reactive; toxic Fair Barium Chloride, BaCl2·2H2O 10326-27-9 poison; acutely toxic Indefinite Dihydrate Barium Nitrate Ba(NO3)2 10022-31-8 oxidizer; toxic Indefinite Benzaldehyde C6H5CHO 100-52-7 combustible Fair Benzene Phosphorus air-and water- Dichloride reactive; fumes in C6H5PCl2 644-97-3 air; corrosive Fair Benzoic Acid C6H5COOH 65-85-0 concentrated dust Indefinite may form explosive mixture 77 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life probably carcinogenic to humans; poison;

corrosive; toxic;

Benzyl Chloride C6H5CH2Cl 100-44-7 Fair lachrymator;

releases toxic fumes when heated water reactive;

ignites Benzylsodium C7H7Na 1121-53-5 spontaneously in air; Fair Benzylamine C6H5CH2NH2 100-46-9 corrosive; poison; Fair (Benzenemethanamine combustible )

violently air- and water-reactive;

beryllium compounds are Beryllium Be(BH4)2 17440-85-6 Fair carcinogenic to Tetrahydroborate humans Limited; refer to expiration date on Biphenyl (Diphenyl) 92-52-4 irritant; combustible label C6H5C6H5 Bismuth Pentafluoride BiF5 7787-62-4 water–reactive; toxic Fair Boric Acid H3BO3 10043-35-3 harmful if swallowed Indefinite Boron Bromide BBrI2 14355-21-6 violently water- Fair Diiodide reactive Boron Dibromoiodide BBr2I unavailable violently water- Fair reactive Boron Phosphide BP 20205-91-8 water-reactive Fair 78 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Boron Trichloride BCl3 13517-10-7 water-reactive; toxic Fair Bromine Fluoride BrF 13863-59-7 water-reactive Fair Bromine Water Br2 + H2O 7726-95-6 corrosive; irritating Indefinite fumes; toxic Bromobenzene C6H5Br 108-86-1 highly flammable; Indefinite toxic Bromodiethylaluminum C4H10AlBr 760-19-0 water-reactive Fair Bromoform CHBr3 75-25-2 poison; lachrymator Good 79 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Butanol CH3(CH2)3OH 71-36-3 highly flammable; Fair toxic (n-Butyl Alcohol)

corrosive;

combustible; stench Butyric Acid CH3CH2CH2C 107-92-6 agent; lachrymator Indefinite OOH Calcium (100 g limit) Ca 7440-70-2 water-reactive; Good flammable solid Calcium Bromide CaBr2 7789-41-5 toxic Good Calcium Hypochlorite Ca(ClO)2 7778-54-3 strong oxidizer; Fair to poor reactive; toxic Calcium Nitrate strong oxidizer; Fair to poor;

Tetrahydrate shock sensitive deliquescent Ca(NO3)2·4H2 13477-34-4 O violently air- and water- reactive;

Calcium Phosphide Ca3P2 1305-99-3 strong reducing Fair (CP) agent; poison Camphor 76-22-2 toxic; flammable Indefinite solid; combustible C10H16O Carbon Disulfide highly flammable;

(Carbon Bisulfide) poison; severe fire CS2 75-15-0 risk Indefinite Cerium (IV) Sulfate strong oxidizer; Limited; refer to (Ceric Sulfate) corrosive; irritant expiration date on Ce(SO4)2 13590-82-4 label 80 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Cesium Amide CsH2N 22205-57-8 water-reactive Fair Cesium Phosphide Cs3P 113737-02- water-reactive Fair 3 Chlorine Fluoride ClF 7790-89-8 strong oxidizer; Fair water-reactive Chlorine Pentafluoride CIF5 13637-63-3 water-reactive Fair Chloroacetic Acid C2H3ClO2 79-11-8 acutely toxic; Indefinite corrosive air- and water- reactive; corrosive;

Chloroacetyl Chloride C2H2Cl2O 79-04-9 poison; inhalation Good hazard 81 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Limited; refer to expiration date on Chlorobenzene C6H5Cl 108-90-7 highly flammable; label inhalation hazard Chlorodiisobutyl water-reactive;

Aluminum highly flammable (Diisobutylaluminum C8H18AlCl 1779-25-5 Fair Chloride)

2-Chlorophenyl C7H4ClNO 3320-83-0 poison; highly Fair Isocyanate flammable chromium (VI)

compounds are carcinogenic to humans; strong Chromic Acid CrO3 1333-82-0 Poor oxidizer; poison Chromium (III) Nitrate Nonahydrate (Chromium Trinitrate) Cr(NO3)3·9H2 7789-02-8 oxidizer; toxic Good O Chromium (III) Sulfate Cr2(SO4)3·nH210101-53-8 corrosive; toxic Indefinite (Chromic Sulfate) O chromium (VI)

compounds are Chromium Trioxide CrO3 1333-82-0 carcinogenic to Poor humans; strong oxidizer; poison cobalt and cobalt compounds are Cobalt (II) Nitrate Co(NO3)2·6H2 10026-22-9 possibly Poor; deliquescent Hexahydrate O carcinogenic to (Cobaltous Nitrate) humans; acutely toxic 82 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Copper (II) Bromide Poor; deliquescent (Cupric Bromide, Anhydrous) CuBr2 7789-45-9 toxic; irritant Cyclohexane CH2(CH2)4CH 110-82-7 highly flammable; Indefinite 2 poison Dichloromethane probably (Methylene Dichloride) carcinogenic to CH2Cl2 75-09-2 humans; poison Good water-reactive;

highly flammable;

Diethyl Aluminum C4H10AlCl 96-10-6 inhalation hazard Fair Chloride 83 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life air- and water- reactive; highly Diethyl Zinc (DEZ) C4H10Zn 557-20-0 flammable Fair water-reactive;

beryllium compounds are carcinogenic to Diisopropyl Beryllium C6H14Be 15721-33-2 Fair humans air- and water- reactive;

Dimethyl Magnesium C2H6Mg 2999-74-8 spontaneously Fair flammable in air Diphenylmethane-4,4- 101-68-8 Poison Poor Diisocyanate C15H10N2O2 Diphenylamine (C6H5)2NH 122-39-4 Poison Indefinite Ethanol (Ethyl Alcohol) C2H5OH 64-17-5 highly flammable Indefinite highly flammable;

toxic; may form Ethyl Acetate CH3COOC2H5 141-78-6 explosive peroxides Good Ethyl Methacrylate CH2CCH3COO97-63-2 highly flammable; Poor C2 polymerizable highly flammable;

possibly carcinogenic to humans; poison;

Ethylene Dichloride C2H4Cl2 107-06-2 Poor emits toxic gases if (1,2-Dichloroethane)

heated or burned highly flammable;air- reactive; corrosive Ethylenediamine NH2CH2CH2N 107-15-3 Poor H2 84 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life FAA Solution flammable; acutely toxic; carcinogenic (Formalin-Aceto- to humans Good Alcohol Solution)

Fehlings Solution A (Copper (II) Sulfate and Water) acutely toxic Fair Fehlings Solution B (Sodium Hydroxide;

Potassium Sodium caustic; toxic Fair Tartrate; and Water)

Ferric Chloride, FeCl3 7705-08-0 corrosive; inhalation Poor Anhydrous (Iron (III) hazard Chloride)

85 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Ferric Nitrate strong oxidizer;

Nonahydrate (Iron (III) irritant; explosion Nitrate Nonahydrate) Fe(NO3)3·9H2 7782-61-8 hazard with heat Good O Fluorine Monoxide strong oxidizer; air- (Oxygen Difluoride) and water-reactive;

F2O 7783-41-7 poison; corrosive Fair Fluorosulfonic Acid HSO3F 7789-21-1 corrosive; air- and Fair water-reactive toxic; corrosive;

carcinogenic to Formalin CH2O 50-00-0 humans Indefinite Formic Acid HCOOH 64-18-6 flammable; corrosive Poor 8006-61-9 highly flammable;

possibly Gasoline UNDEFINED or 86290- carcinogenic to Poor humans 81-5 Glutaraldehyde OCH(CH2)3CH111-30-8 water-reactive; toxic Indefinite O explosive; shock sensitive; water Gold Acetylide C2Au2 70950-00-4 reactive Fair Hematoxylin C16H14O6 517-28-2 toxic Fair n-Heptane CH3(CH2)5CH 142-82-5 highly flammable; Good 3 toxic Hexamethylene C8H12N2O2 822-06-0 water-reactive; toxic Fair Diisocyanate (HDI)

Hexamethylenediamine H2N(CH2)6NH 124-09-4 corrosive; toxic Indefinite (1, 6-Diaminohexane) 2 86 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life n-Hexane CH3(CH2)4CH 110-54-3 highly flammable; Good 3 toxic Hydriodic Acid HI 10034-85-2 acutely toxic; Fair corrosive Hydrobromic Acid HBr 10035-10-6 acutely toxic; water- Fair reactive; corrosive Hydrochloric Acid HCl 7647-01-0 toxic; severely Good (Muriatic Acid) corrosive 87 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life readily decomposes with almost Hydrogen Peroxide H2O2 7722-84-1 anything; strong Fair (30% or less) oxidizer; explosion hazard; corrosive Hydroquinone C6H4(OH)2 123-31-9 toxic Poor (Benzene-1, 4-diol)

Hydroxylamine NH2OH·HCl 5470-11-1 toxic; strong Poor Hydrochloride reducing agent Iodine 7553-56-2 poison; strong Fair oxidizing agent I2 toxic; water-and air- reactive; strong Iodine Monochloride ICl 7790-99-0 oxidizing agent; Poor (Chlorine Iodide) corrosive metal dust may present a fire hazard Iron (powder) Fe 7439-89-6 and a health hazard Good Isoamyl Alcohol (3- highly flammable;

Methyl- 1-butanol or toxic Isopentyl Alcohol) (CH3)2CHCH2 123-51-3 Fair CHOH Isobutyl Alcohol (CH3)2CHCH2 78-83-1 highly flammable; Indefinite OH toxic highly flammable;

toxic; may form Isopropyl Alcohol (CH3)2CHOH 67-63-0 explosive peroxides Fair Kerosene UNDEFINED 8008-20-6 highly flammable; Indefinite toxic 88 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life oxidizer; toxic;

probably Lead Nitrate Pb(NO3)2 10099-74-8 carcinogenic to Indefinite humans oxidizer; acutely toxic; probably Lead Tetraoxide, (Red Pb3O4 1314-41-6 carcinogenic to Indefinite Lead Oxide) humans water-reactive; toxic;

flammable;

Lithium Amide LiNH2 7782-89-0 dangerous fire and Fair explosion hazard 89 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Lithium Bromide LiBr 7550-35-8 acutely toxic Good water-reactive;

acutely toxic; highly Lithium Ferrosilicon Fe-Si·Li 70399-13-2 flammable Fair water-and air- reactive; acutely Lithium Silicon Li·Si 68848-64-6 toxic; strong Fair reducing agent Lithium Sulfate Li2SO4·H2O 10102-25-7 toxic Indefinite Magnesium (ribbon) Mg 7439-95-4 flammable solid; Indefinite water-reactive Magnesium Nitrate Mg(NO3)2·6H2 13446-18-9 oxidizer; toxic Good Hexahydrate O Manganese Carbonate MnCO3 598-62-9 toxic Good Manganese Dioxide (Manganese Black;

Manganese Oxide;

Manganese Peroxide;

MnO2 1313-13-9 toxic Indefinite Manganese Superoxide)

Manganese (II) Nitrate strong oxidizer; toxic Hexahydrate (Manganous Nitrate Mn(NO3)2·6H2 10377-66-9 Indefinite Hexahydrate) O Methyl Alcohol CH3OH 67-56-1 highly flammable; Good (Methanol) toxic water-and air- reactive; toxic;

Methyl Aluminum C3H9Al2Br3 12263-85-3 dangerous fire and Fair Sesquibromide explosion hazard 90 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life water-and air- reactive; toxic;

Methyl Aluminum C3H9Al2Cl3 12542-85-7 dangerous fire and Fair Sesquichloride explosion hazard Methyl Chloride CH3CI 74-87-3 highly flammable; Indefinite (Chloromethane) toxic possibly carcinogenic to Naphthalene (Moth 91-20-3 humans; highly Poor Balls, Moth Flakes) flammable C10H8 1-Naphthol (alpha- C10H7OH 90-15-3 toxic Indefinite Naphthol)

91 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life spontaneously Limited; refer to flammable in air; expiration date on n-Butyllithium C4H9Li 109-72-8 toxic label Nickel (II) Nitrate nickel compounds Hexahydrate are carcinogenic to Ni(NO3)2·6H2 13478-00-7 humans; oxidizer Poor O nickel compounds are carcinogenic to Nickel (II) Sulfate NiSO4·6H2O 10101-97-0 humans Good Hexahydrate acutely toxic; strong oxidizer; water-and Nitric Acid HNO3 7697-37-2 air-reactive Fair possibly carcinogenic to Nitrobenzene C6H5NO2 98-95-3 humans; acutely Fair toxic; flammable may displace oxygen, which could Nitrogen N2 7727-37-9 cause asphyxiation; Indefinite compressed gas cylinder hazards;

liquid nitrogen presents a low temperature hazards Octyl Alcohol (Octanol CH3(CH2)6CH 111-87-5 flammable; toxic Limited; refer to or Caprylic Alcohol) 2OH expiration date on label ortho-Dichlorobenzene C6H4Cl2 95-50-1 flammable; toxic Fair to poor (1, 2-Dichlorobenzene)

Oxalic Acid, Dihydrate H2C2O4·2H2O 6153-56-6 acutely toxic Indefinite (Ethanedioic Acid)

92 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life strong oxidizer; fire and explosion Oxygen O2 7782-44-7 hazard; compressed Indefinite gas cylinder hazards para-Dichlorobenzene possibly (1, 4-Dichlorobenzene carcinogenic to C6H4Cl2 106-46-7 humans; flammable Fair to poor Pentyl Alcohol (Amyl CH3(CH2)4OH 71-41-0 highly flammable; Poor Alcohol or Pentanol) toxic 93 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Petroleum Ether (500 UNDEFINED Unavailable highly flammable; Indefinite mL limit) toxic Phosphoric Acid H3PO4 7664-38-2 toxic; corrosive Good Phthalic Acid (1, 2- Limited; refer to Benzenedicarboxylic expiration date on Acid) C6H4(COOH)2 88-99-3 combustible; toxic label Polymethylene Polyphenyl Isocyanate (Polymeric (C8H5NO)n 9016-87-9 water reactive; toxic Fair Diphenylmethane Diisocyanate or MDI)

Polyvinyl Alcohol CH2CH(OH) 9002-89-5 combustible; toxic Indefinite possibly carcinogenic to Potassium Bromate KBrO3 7758-01-2 humans Indefinite chromium (VI)

compounds are Potassium Chromate K2CrO4 7789-00-6 carcinogenic to Indefinite humans; strong oxidizer; poison chromium (VI)

compounds are Potassium Dichromate carcinogenic to (Potassium humans; strong Bichromate) K2Cr2O7 7778-50-9 oxidizer; poison Indefinite Potassium Ferricyanide K3Fe(CN)6 13746-66-2 contact with acids Fair (Red Prussiate) liberates toxic gas Potassium toxic; contact with Ferrocyanide acids liberates toxic (Tetrapotassium K4Fe(CN)6·3H 14459-95-1 gas Fair to poor Hexacyanoferrate or 2O Yellow Prussiate)

94 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Potassium Hydroxide KOH 1310-58-3 corrosive; toxic Fair (Potash Lye)

Potassium Iodate KIO3 7758-05-6 oxidizer; toxic Indefinite Potassium Nitrate KNO3 7757-79-1 strong oxidizer Good strong oxidizer;

explodes on sudden Potassium KMnO4 7722-64-7 heating Indefinite Permanganate Potassium Persulfate K2S2O8 7727-21-1 strong oxidizer; toxic Fair to poor; deliquescent 95 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life pyrophoric;

spontaneously Potassium Sulfide K2S 1312-73-8 combustible; strong Fair reducing agent;

acutely toxic highly flammable;

compressed gas Propane CH3CH2CH3 74-98-6 cylinder hazards; Fair vaporizing liquid may cause frostbite;

toxic; will displace oxygen, which may cause asphyxiation Propionic Acid C3H6O2 79-09-4 corrosive; Indefinite flammable; toxic Propyl Alcohol (n- C3H8O 71-23-8 highly flammable; Indefinite Propanol or Propanol) toxic Pyridine (Azine or C5H5N 110-86-1 highly flammable; Good Azabenzene) toxic Pyrosulfuryl Chloride water- and air- (Sulfur reactive; corrosive;

Pentoxydichloride) Cl2O5S2 7791-27-7 toxic Fair Silver Nitrate AgNO3 7761-88-8 strong oxidizer; Indefinite corrosive; toxic Silver Sulfate Ag2SO4 10294-26-5 toxic Indefinite strong reducing agent; corrosive;

Sodium Bisulfite NaHSO3 7631-90-5 toxic Fair to poor 96 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Sodium Chromate Na2CrO4 7775-11-3 chromium (VI) Fair compounds are carcinogenic to humans; strong oxidizer; poison cobalt and cobalt compounds are Sodium Cobaltinitrite Na3Co(NO2)6 13600-98-1 possibly Indefinite (Sodium carcinogenic to Hexanitrocobaltate) humans; toxic chromium (VI)

compounds are Sodium Dichromate Na2Cr2O7·2H27789-12-0 carcinogenic to Poor Dihydrate O humans; strong oxidizer; poison 97 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Sodium Fluoride NaF 7681-49-4 corrosive; poison Indefinite Sodium Hydroxide NaOH 1310-73-2 water-reactive; Good (Lye) corrosive; toxic Sodium Hypochlorite NaClO 7681-52-9 strong oxidizer; Poor corrosive; toxic Sodium Iodate NaIO3 7681-55-2 strong oxidizer; toxic Fair to poor Sodium Iodide NaI 7681-82-5 toxic Fair to poor Sodium Metabisulfite Na2S2O5 7681-57-4 strong reducing Poor agent; corrosive;

toxic Sodium Nitrate NaNO3 7631-99-4 strong oxidizer; toxic Indefinite Sodium Nitrite NaNO2 7632-00-0 strong oxidizer; Indefinite poison Sodium Na3PO4·12H2 10101-89-0 corrosive; toxic Fair PhosphateTribasic O Dodecahydrate Sodium Potassium K2Na 11135-81-2 water-reactive; in Fair Alloy contact with water releases flammable gases which may ignite spontaneously;

corrosive Sodium Sulfide Na2S·9H2O 1313-84-4 explosive; Fair Nonahydrate flammable solid;

strong reducing agent; corrosive;

toxic 98 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Sodium Thiocyanate NaSCN 540-72-7 strong reducing Poor agent; toxic Sodium Thiosulfate Na2S2O3·5H2 10102-17-7 toxic Poor Pentahydrate O air- and water- reactive; corrosive;

Stannic Chloride SnCl4 7646-78-8 toxic Poor Strontium Nitrate Sr(NO3)2 10042-76-9 strong oxidizer Indefinite Sulfur Chloride (Sulfur Cl2S2 10025-67-9 water-reactive; Fair Dichloride) corrosive; toxic 99 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Sulfur Pentafluoride 5714-22-7 water-reactive; Fair poison S2F10 strong oxidizer;

severely corrosive;

Sulfuric Acid (<10%) H2SO4 7664-93-9 water-reactive; toxic Good Sulfuric Acid (>10%) strong oxidizer;

severely corrosive;

(2.5 L limit) H2SO4 7664-93-9 water-reactive; toxic Good tert-Butyl Alcohol (t- highly flammable;

Butanol or 1,1-Dimethyl irritating vapor and Ethanol) (CH3)3COH 75-65-0 liquid Fair Terpineol (Terpene 98-55-5 flammable; toxic Indefinite Alcohol)

C10H17OH air- and water- reactive; corrosive;

Thiophosphoryl Cl3SP 3982-91-0 toxic Fair Chloride metal dust may present a fire hazard Tin Sn 7440-31-5 and a health hazard Indefinite Toluene (Methyl 108-88-3 highly flammable; Good Benzene) toxic C7H8 Toluene Diisocyanate 584-84-9 water-reactive; Poor (TDI) acutely toxic C9H6N2O2 Trichloroethane-1,1,1 C2H3Cl3 71-55-6 poison; flammable Fair (Methyl Chloroform)

100 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Trichloroethylene C2HCl3 79-01-6 carcinogenic to Indefinite (Acetylene Trichloride) humans; poison;

flammable Triethanolamine C6H15NO3 102-71-6 toxic Fair highly flammable; Limited; refer to toxic expiration date on 2,2,4-Trimethylpentane 540-84-1 label C8H18 air- and water- reactive; strong Tri-n-Butylaluminum 1116-70-7 reducing agent; Fair pyrophoric; toxic C12H27Al water-reactive;

acutely toxic;

Trioctyl Aluminum (CH3(CH2)7)3 1070-00-4 flammable Poor Al 101 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B – Restricted Chemicals Name Formula CAS # Hazard* Shelf Life Triphenyltetrazolium C19H15N4Cl 298-96-4 toxic Good Chloride (Red Tetrazolium or Vitastain)

Trisodium Phosphate Na3PO4 7601-54-9 toxic Indefinite (Sodium Phosphate)

Tungsten W 7440-33-7 Metal dust may Indefinite present a fire hazard and a health hazard.

Turpentine C10H16 8006-64-2 Highly flammable; Indefinite toxic Vanadium Trichloride VCl3 7718-98-1 Toxic; air- and Fair water-reactive;

corrosive Xylene C8H10 1330-20-7 Highly flammable; Good toxic by inhalation or absorption through skin.

Zinc (Powder) Zn 7440-66-6 Strong reducing Indefinite agent; water- reactive; pyrophoric;

metal dust may present a fire hazard and a health hazard Zinc Acetylide shock sensitive; Fair water-reactive Zinc Nitrate Zn(NO3)2·6H2 10196-18-6 Strong oxidizer Indefinite Hexahydrate (500 g O limit)

Zinc Phosphide Zn3P2 1314-84-7 Strong reducing Fair agent; water reactive; toxic 102 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B2 – Restricted Chemicals (Demonstration Use Only) Appendix B2 – Restricted Chemicals (Demonstration Use Only) Name Formula CAS # Hazard* Shelf Life Aluminum Chloride, air-and water- Anhydrous (25 g limit) reactive; fumes in AlCl3 7446-70-0 moist air form toxic Good gas oxidizer; chromium (VI) compounds Ammonium Dichromate (NH4)2Cr2O7 7789-09-5 arecarcinogenic to Fair (100 g limit) humans Ammonium Persulfate (NH4)2S2O8 7727-54-0 strong oxidizer; Indefinite (100 g limit) explosion hazard Antimony Metal (50 g poison; combustible limit) powder; strong Sb 7440-36-0 reducing agent Indefinite strong oxidizer;

reacts violently with Bromine Br2 7726-95-6 organics; acutely Indefinite toxic by inhalation (3 - 1 g ampules limit)

and ingestion water-reactive;

reacts violently with Calcium Carbide (100 CaC2 75-20-7 water to generate Good g limit) acetylene gas;

serious fire risk Chromium Oxide strong oxidizer;

(Chromic Oxide) (20 g poison; corrosive limit) Cr2O3 1308-38-9 Indefinite Collodion (a solution of pyroxylin C25H33O13(N 9004-70-0 highly flammable Fair in ether and alcohol) O3)7 (100 mL limit)

103 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B2 – Restricted Chemicals (Demonstration Use Only) Name Formula CAS # Hazard* Shelf Life highly flammable;

vapors may travel a Cyclohexanone (100 108-94-1 considerable Indefinite mL limit) distance and ignite;

C6H10O may form explosive peroxides highly flammable;

vapors may travel a Cyclohexene (100 mL 110-83-8 considerable Poor limit) distance and ignite;

C6H10 may form explosive peroxides highly flammable;

vapors may travel a Cyclopentanone (100 C5H8O 120-92-3 considerable Good mL limit) distance and ignite;

may form explosive peroxides 104 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B2 – Restricted Chemicals (Demonstration Use Only) Name Formula CAS # Hazard* Shelf Life Diglyme (Diethylene (CH3O)CH2 111-96-6 combustible; Limited; refer to Glycol Dimethyl Ether) oxidizes readily in air expiration date on (500 mL limit) to form explosive label peroxides Dinitrophenylhydrazine C6H6N4O4 119-26-6 flammable solid; Good (100 g limit) explosive when dry Hydrides, Borohydrides Unavailable strong reducing sodium borohydride: (e.g., aluminum agents; air-and indefinite, borohydride, aluminum water-reactive phosporous hydride, hydride, magnesium magnesium lauminum hydride, lauminum hydride, phosphorous hydride, aluminum hydride, sodium aluminum borohydride)(100 g borohydride: limited;

limit) refer to expiration date on label Hydrogen H2 13333-74-0 flammable gas; Indefinite burns with a pale (limited to lecture bottle blue, almost invisible of 4 cu. ft. or less) flame; may displace oxygen, which could cause asphyxiation;

compressed gas cylinder hazards Lithium (20 g limit) Li 7439-93-2 water-reactive; Indefinite highly flammable solid; readily ignited by and reacts with man y extinguishing agents 105 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B2 – Restricted Chemicals (Demonstration Use Only) Name Formula CAS # Hazard* Shelf Life Magnesium (turnings) Mg 7439-95-4 water-reactive; Indefinite (100 g limit) flammable solid;

strong reducing agent Pentane (100 mL limit) C5H12 109-66-0 highly flammable Indefinite 106 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Appendix B2 – Restricted Chemicals (Demonstration Use Only) Name Formula CAS # Hazard* Shelf Life Phosphorus, Red P 7723-14-0 water-reactive; Indefinite (Amorphous) flammable solid; can change to white (50 g limit) phosphorus if heated; strong reducing agent;

acutely toxic Potassium K 7440-09-7 violently water- Poor reactive; may form (1-container with 5 explosive peroxides;

demonstration-size combustible;

piece limit) flammable solid;

ignites when exposed to water or moisture; may ignite spontaneously in air;

Potassium Chlorate KClO3 3811-04-9 explosive; strong Indefinite (100 g limit) oxidizer Silver Oxide (100 g Ag2O 20667-12-3 strong oxidizer; Indefinite limit) contact with other material may cause fire Sodium (100 g limit) Na 7440-23-5 violently water- Good reactive; strong reducing agent;

flammable solid;

may ignite spontaneously in air Wright's Stain (Hg UNDEFINED 68988-92-1 contains mercury; Indefinite Containing) (100 mL poison; acutely toxic limit)

* The hazard information provided for the listed chemicals is not intended to address all safety concerns. Before attempting to work with any chemical, review and comply with information provided on the SDS.

107 CODE OF COLORADO REGULATIONS 6 CCR 1010-6 Division of Environmental Health and Sustainability Editor’s Notes History Entire rule eff. 04/14/2015.

Rules 6.7.4, 6.7.6, 6.12.3, Appendices B, B2 eff. 03/17/2018. Entire rule eff. 08/01/2026.

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