2301.1 Individuals shall apply for certification on a form prescribed by the Department in one (1) of the categories or subcategories of pest control outlined in this section (subject categories are classified in accordance with 40 C.F.R. § 171.101).

2301.2 Ornamental and Turf Pest Control - this category includes applicators using, or supervising the use of, pesticides to control pests in the maintenance and production of ornamental trees, shrubs, flowers, and turf. This category contains the following subcategories:

1. (a) Exterior Ornamental Plants - ornamental trees, shrubs, flowers, and plantings;
2. (b) Lawns and Turf - lawn and turf; and
3. (c) Interior Ornamental Plants - interior plants, shrubs, and flowers.

2301.3 Aquatic Pest Control - this category includes applicators using, or supervising the use of, pesticides purposefully applied to standing or running water, wetland areas, or within tidal basins, excluding applicators engaged in public health-related activities included in Subsection 2301.6. This category includes the following subcategories:

1. (a) Swimming Pool - disinfectants in swimming pools;
2. (b) Cooling Tower - biocides in cooling towers; and
3. (c) Antifouling Paint - biocides on watercrafts.

2301.4 Right of Way Pest Control - this category includes applicators using, or supervising the use of, pesticides in the maintenance of public roads, electric powerlines, pipelines, railway rights-of-way, or other similar areas. This category includes the following subcategory:

1. (a) Utility Pole - use of pesticides on utility poles.

2301.5 Industrial, Institutional, Structural, and Health Related Pest Control - this category includes applicators using, or supervising the use of, pesticides in, on, or around food handling establishments; human dwellings; industrial establishments, including warehouses and grain elevators; institutions, such as schools, prisons, and hospitals; and any other structures and adjacent areas, public or private, for the protection of stored, processed, or manufactured products. This category contains the following subcategories:

1. (a) General Pest Control - preventing, repelling, or controlling insects (including mosquitoes), fungi, or other pests within or adjacent to structures of any kind, or the adjacent grounds, or where people may assemble or congregate. This subcategory does not include work otherwise defined in Subsection 2301.5(b) through (f);
2. (b) Wood Destroying Organism - preventing, repelling, or controlling termites, powder post beetles, fungi, or wood destroying organisms in or on structures of any kind by pre-treating areas or the surrounding grounds where the structures are to be constructed;
3. (c) Wildlife Control - preventing, repelling, or controlling nuisance birds, mammals, reptiles, and other wildlife not covered by the Rodent Control category;
4. (d) Rodent Control - preventing, repelling, or controlling rodents; and
5. (e) Industrial Weed Control - preventing, repelling, or controlling weeds on industrial or commercial sites.2301.6 Public Health Pest Control - this category includes District and other governmental employees and contractors using, or supervising the use of, pesticides in public health programs for the management and control of pests having medical and public health importance.2301.7 Regulatory Pest Control - this category includes District and other governmental employees who use, or supervise the use of, pesticides in the control of regulated pests.2301.8 Demonstration and Research Pest Control - this category includes applicators, including extension specialists or commercial applicators, using, or supervising the use of, restricted use pesticides while:- (a) Conducting field research on or involving restricted use pesticides: or
6. (b) Demonstrating to others the proper use and techniques of applying restricted use pesticides.2301.9 Aerial Pest Control - this category includes applicators using, or supervising the use of, restricted use pesticides applied by fixed or rotary wing aircraft.2301.10 Fumigation - this category includes applicators using, or supervising the use of, restricted use pesticides for fumigation. This category contains the following

subcategories:

(a) Soil Fumigation - pest control on soil involving the use of a fumigant to control or prevent pests; and

(b) Non-soil Fumigation - pest control involving the use of a fumigant to treat structures or commodities.

2301.11 Sewer Root Control - this category includes applicators using, or supervising the use of, pesticides to control roots in sewer lines. Applicators certified in this category using a fumigant for sewer root control shall obtain certification in the non-soil fumigation subcategory.

2301.12 Private Applicator Pest Control - this category includes private applicators using restricted use pesticides on agricultural commodities or applied to agricultural commodities by fixed/rotary wing aircraft. This category contains the following subcategories:

(a) Private Applicator General Pest Control - using a restricted use pesticide on agricultural commodities; and

(b) Private Applicator Aerial Pest Control - using a restricted use pesticide applied to agricultural commodities by fixed or rotary wing aircraft.

SOURCE: Section 4 of the Pesticide Operations Act of 1977, effective April 18, 1978 (D.C. Law 2-70; 24 DCR 6867 (February 17, 1978)); as amended by Final Rulemaking published at 25 DCR 3044 (October 6, 1978), incorporating the text of the Proposed Rulemaking published at 25 DCR 2118 (August 25, 1978); as amended by Final Rulemaking published at 62 DCR 3340 (March 20, 2015); as amended by Final Rulemaking published at 73 DCR 001173 (February 6, 2026).