PURPOSE: This regulation specifies equipment, operating procedures and training requirements for the reduction of hydrocarbon emissions from solvent metal cleaning operations in the Kansas City metropolitan area.

1. (1) Application.

   1. (A) This regulation shall apply throughout Clay, Jackson and Platte Counties.
   2. (B) This regulation shall apply to all installations which emit volatile organic compounds (VOC) from solvent metal cleaning or degreasing operations.
   3. (C) This regulation applies to all processes which use cold cleaners, open-top vapor degreasers or conveyorized degreasers, using nonaqueous solvents to clean and remove soils from metal surfaces.

2. (2) General Provisions.

   1. (A) No person shall cause or allow solvent metal cleaning or degreasing operation—

      1. 1. Without operating procedures as con-

tained in this regulation and recommendations by the equipment manufacturer;

1. 2. Without the minimum operator and

supervisor training as specified in this regulation; and

1. 3. Unless the equipment conforms to the

specifications listed in this regulation.

1. (B) The owner or operator of a solvent metal cleaning or degreasing operation shall keep monthly inventory records of solvent types and amounts purchased and solvent consumed for a period of two (2) years. These records shall include all types and amounts of solvent containing waste material transferred to either a contract reclamation service or to a disposal facility and all amounts distilled on the premises. The records also shall include maintenance and repair logs for both the degreaser and any associated control equipment. The director may require further recordkeeping if necessary to adequately demonstrate compliance with this regulation. All these records shall be made available to the director upon his/her request.
2. (C) Definitions for key words used in this regulation may be found in 10 CSR 10-6.020.

1. (3) Equipment Specifications.

   1. (A) Cold Cleaners.

      1. 1. Each cold cleaner shall have a cover

which will prevent the escape of solvent vapors from the solvent bath while in the closed position or an enclosed reservoir which will prevent the escape of solvent vapors from the solvent bath whenever parts are not being processed in the cleaner.

1. 2. When one (1) or more of the follow-

ing conditions exist, the design of the cover shall be such that it easily can be operated with one (1) hand and without disturbing the 10 CSR 10-2

solvent vapors in the tank. For covers larger than ten (10) square feet, this shall be accomplished by either mechanical assistance such as spring loading or counter weighing or by power systems:

1. A. The solvent volatility is greater

than 0.3 pounds per square inch measured at one hundred degrees Fahrenheit (100°F), such as in mineral spirits;

1. B. The solvent is agitated; or
2. C. The solvent is heated.
3. 3. Each cold cleaner shall have a

drainage facility which will be internal so that parts are enclosed under the cover while draining.

1. 4. If an internal drainage facility cannot

fit into the cleaning system and the solvent volatility is less than 0.6 pounds per square inch (psi) measured at one hundred degrees Fahrenheit (100°F), then the cold cleaner shall have an external drainage facility which provides for the solvent to drain back into the solvent bath.

1. 5. Solvent sprays, if used, shall be a

solid fluid stream (not a fine, atomized or shower-type spray) and at a pressure which does not cause any splashing above or beyond the freeboard.

1. 6. A permanent conspicuous label sum-

marizing the operating procedures shall be affixed to the equipment.

1. 7. Any cold cleaner which uses a solvent

that has a solvent volatility greater than 0.6 psi measured at one hundred degrees Fahrenheit (100°F) or heated above one hundred twenty degrees Fahrenheit (120°F) must use one (1) of the following control devices:

1. A. Freeboard height that gives a free-

board ratio greater than or equal to 0.7;

1. B. Water cover (solvent must be insol-

uble in and heavier than water); or

1. C. Other control systems with a mass

balance demonstrated overall VOC emissions reduction efficiency greater than or equal to sixty-five percent (65%). These control systems must receive approval of the director prior to their use.

1. (B) Open-Top Vapor Degreasers.

   1. 1. Each open-top vapor degreaser shall

have a cover which will prevent the escape of solvent vapors from the degreaser while in the closed position and shall be designed to open and close easily with one (1) hand and without disturbing the solvent vapors in the tank. For covers larger than ten (10) square feet, easy cover use shall be accomplished by either mechanical assistance, such as spring loading or counter weighing or by power systems.

1. 2. Each open-top vapor degreaser shall

be equipped with a vapor level safety thermostat with a manual reset which shuts off the heating source when the vapor level rises above the cooling or condensing coil; or an equivalent safety device approved by the director.

1. 3. Each open-top vapor degreaser with

an air/vapor interface over ten and threefourths (10 3/4) square feet shall be equipped with at least one (1) of the following control devices:

1. A. A freeboard ratio of at least 0.75;
2. B. A refrigerated chiller;
3. C. An enclosed design (the cover or

door opens only when the dry part actually is entering or exiting the degreaser);

1. D. A carbon adsorption system with

ventilation of at least fifty (50) cubic feet per minute per square foot of air vapor area when the cover is open and exhausting less than twenty-five parts per million (25 ppm) of solvent by volume averaged over one (1) complete adsorption cycle as measured using the reference method specified at 10 CSR 10- 6.030(14)(A); or

1. E. A control system with a mass bal-

ance demonstrated overall VOC emissions reduction efficiency greater than or equal to sixty-five percent (65%) and prior approval by the director.

1. 4. A permanent conspicuous label sum-

marizing the operating procedures shall be affixed to the equipment.

1. (C) Conveyorized Degreasers.

   1. 1. Each conveyorized degreaser shall

have a drying tunnel or rotating (tumbling) basket or other means demonstrated to have equal to or better control which shall be used to prevent cleaned parts from carrying out solvent liquid or vapor.

1. 2. Each conveyorized degreaser shall

have the following safety switches or equivalent safety devices approved by the director which operate if the machine malfunctions:

1. A. A vapor level safety thermostat

with manual reset which shuts off the heating source when the vapor level rises just above the cooling or condensing coil; and

1. B. A spray safety switch, which shuts

off the spray pump if the vapor level in the spray chamber drops four inches (4"), for conveyorized degreasers utilizing a spray chamber.

1. 3. Entrances and exits shall silhouette

work loads so that the average clearance between parts and the edge of the degreaser opening is less than four inches (4") or less than ten percent (10%) of the width of the opening.

1. 4. Covers shall be provided for closing

off the entrance and exit during hours when the degreaser is not being used.

1. 5. A permanent, conspicuous label sum-

marizing the operating procedures shall be affixed to the equipment.

1. 6. If the air/vapor interface is larger than

twenty-one and one-half (21 1/2) square feet, one (1) major control device shall be required. This device shall be one (1) of the following:

1. A. A refrigerated chiller;
2. B. Carbon adsorption system with

ventilation of at least fifty (50) cubic feet per minute per square foot of the total entrance and exit areas (when downtime covers are open) and exhausting less than twenty-five (25) ppm of solvent by volume averaged over one (1) complete adsorption cycle as measured using the reference method specified at 10 CSR 10-6.030(14)(A); or

1. C. A control system with a mass bal-

ance demonstrated overall VOC emissions reduction efficiency greater than or equal to sixty-five percent (65%) and prior approval by the director.

1. (4) Operating Procedures.

   1. (A) Cold Cleaners.

      1. 1. Cold cleaner covers shall be closed

whenever parts are not being handled in the cleaners or the solvent must drain into an enclosed reservoir.

1. 2. Cleaned parts shall be drained in the

freeboard area for at least fifteen (15) seconds or until dripping ceases, whichever is longer.

1. 3. Whenever a cold cleaner fails to per-

form within the operating parameters established for it by this regulation, the unit shall be shutdown immediately and shall remain shutdown until trained service personnel are able to restore operation within the established parameters.

1. 4. Solvent leaks shall be repaired imme-

diately or the degreaser shall be shutdown until the leaks are repaired.

1. 5. Any waste material removed from a

cold cleaner shall be disposed of by one (1) of the following methods and in accordance with the Missouri Hazardous Waste Management Commission rules codified at 10 CSR 10-25, as applicable:

1. A. Reduction of the waste material to

less than twenty percent (20%) VOC solvent by distillation and proper disposal of the still bottom waste; or

1. B. Stored in closed containers for

transfer to—

1. (I) A contract reclamation service;

or

1. (II) A disposal facility approved by

the director.

1. 6. Waste solvent shall be stored in cov-

ered containers only.

1. (B) Open-Top Vapor Degreasers.

   1. 1. The cover shall be kept closed at all

times except when processing workloads through the degreaser.

1. 2. Solvent carry-out shall be minimized

in the following ways:

1. A. Parts shall be racked, if practical,

to allow full drainage;

1. B. Parts shall be moved in and out of

the degreaser at less than eleven feet (11') per minute;

1. C. Workload shall remain in the vapor

zone at least thirty (30) seconds or until condensation ceases;

1. D. Pools of solvent shall be removed

from cleaned parts before removing parts from the degreaser freeboard area; and

1. E. Cleaned parts shall be allowed to

dry within the degreaser freeboard area for at least fifteen (15) seconds or until visually dry, whichever is longer.

1. 3. Porous or absorbent materials such as

cloth, leather, wood or rope shall not be degreased.

1. 4. If workloads occupy more than half of

the degreaser’s open-top area, rate of entry and removal shall not exceed five feet (5') per minute.

1. 5. Spray shall never extend above vapor

level.

1. 6. Whenever a vapor degreaser fails to

perform within the operating parameters established for it by this regulation, the unit shall be shutdown until trained service personnel are able to restore operation within the established parameters.

1. 7. Solvent leaks shall be repaired imme-

diately or the degreaser shall be shutdown until the leaks are repaired.

1. 8. Ventilation exhaust shall not exceed

sixty-five (65) cubic feet per minute per square foot of degreaser open area unless proof is submitted that it is necessary to meet Occupational Safety and Health Administration (OSHA) requirements. Fans shall not be used near the degreaser opening.

1. 9. Water shall not be visually detectable

in solvent exiting the water separator.

1. 10. Any waste material removed from an

open-top vapor degreaser shall be disposed of by one (1) of the following methods or equivalent and in accordance with the Missouri Hazardous Waste Management Commission rules codified at 10 CSR 10-25, as applicable:

1. A. Reduction of the waste material to

less than twenty percent (20%) VOC solvent by distillation and proper disposal of the still bottom waste; or

1. B. Stored in closed containers for

transfer to— Specific to the Kansas City Metropolitan Area

1. (I) A contract reclamation service;

or

1. (II) A disposal facility approved by

the director.

1. 11. Waste solvent shall be stored in cov-

ered containers only.

1. (C) Conveyorized Degreasers.

   1. 1. Ventilation exhaust shall not exceed

sixty-five (65) cubic feet per minute per square foot of degreaser opening unless proof is submitted that it is necessary to meet OSHA requirements. Fans shall not be used near the degreaser opening.

1. 2. Solvent carry-out shall be minimized

in the following ways:

1. A. Parts shall be racked, if practical,

to allow full drainage; and

1. B. Vertical conveyor speed shall be

maintained at less than eleven feet (11') per minute.

1. 3. Whenever a conveyorized degreaser

fails to perform within the operating parameters established for it by this regulation, the unit shall be shutdown immediately and shall remain shutdown until trained service personnel are able to restore operation within the established parameters.

1. 4. Solvent leaks shall be repaired imme-

diately or the degreaser shall be shutdown until the leaks are repaired.

1. 5. Water shall not be visually detectable

in solvent exiting the water separator.

1. 6. Covers shall be placed over entrances

and exits immediately after conveyor and exhaust are shutdown and removed just before they are started up.

1. 7. Waste solvent shall be stored in cov-

ered containers only.

1. 8. Any waste material removed from a

conveyorized degreaser shall be disposed of by one (1) of the following methods or equivalent and in accordance with the Missouri Hazardous Waste Management Commission rules codified at 10 CSR 10-25, as applicable:

1. A. Reduction of the waste material to

less than twenty percent (20%) VOC solvent by distillation and proper disposal of the still bottom waste; or

1. B. Stored in closed containers for

transfer to—

1. (I) A contract reclamation service;

or

1. (II) A disposal facility approved by

the director.

1. (5) Operator and Supervisor Training.

   1. (A) Only persons trained in at least the operational and equipment requirements specified in this regulation for their particular solvent metal cleaning process shall be permitted to operate the equipment.
   2. (B) The supervisor of any person who operates a solvent metal cleaning process shall receive equal or greater operational training than the operator.
   3. (C) Refresher training shall be given to all solvent metal cleaning equipment operators at least once each twelve (12) months.
   4. (D) A record shall be kept of solvent metal cleaning training for each employee.

2. (6) Effective Dates of Compliance.

   1. (A) Owners or operators subject to this regulation shall be in compliance with operating procedures and operator and supervisor training requirements as described in sections

3. (4) and (5) of this regulation no later than June 1, 1979.

   1. (B) Owners or operators subject to this regulation shall comply with equipment specifications as described in section (3) of this regulation and associated equipment operating procedures by June 11, 1980.

4. (7) Exceptions.

   1. (A) Solvent metal cleaning operations using 1,1,1-trichloroethane (methyl chloroform) or trichlorotrifluoroethane (Refrigerant 113) will be exempt from the requirements of this regulation. This exemption does not relieve the owners or operators from compliance with other applicable regulations of the department.
   2. (B) 1,1,1-trichloroethane (methyl chloroform) and trichlorotrifluoroethane (Refrigerant 113) have been implicated as having deleterious effects on stratospheric ozone and therefore, may be subject to future regulations.

AUTHORITY: section 643.050, RSMo 1986.* Original rule filed Nov. 14, 1978, effective June 11, 1979. Amended: Filed July 1, 1987, effective Dec. 12, 1987. *Original authority 1965, amended 1972, transferred from 203.050 in 1986, 1992, 1993.