D.C. Mun. Regs. tit. 20, r. 20-2216
The following regulations shall apply to fumigation operations performed by any person required to obtain an applicator certification and license or to be registered as a registered technician as required by the Pesticide Operations Act of 1977, effective April 18, 1978 (D.C. Law 2-70; D.C. Official Code §§ 8-401et seq.), as amended.
Notwithstanding any other provisions of the Pesticide Operation Regulations, Chapters 22 through 25 of this title, each fumigation operation shall be performed or supervised only by a licensed applicator certified to perform fumigation.
Each member of the fumigation crew shall be trained in those aspects of the fumigation process in which the member participates, have adequate knowledge of the fumigant, and be provided with all the safety equipment necessary for the member's protection.
Before performing fumigation, the licensed applicator shall notify the fire station nearest the site of the fumigation.
The notice to the nearest fire station required by § 2216.4 shall be in writing and shall include the following information:
The structure, vault, vehicle, commodity, or area to be treated shall be conspicuously posted with warning signs on all sides.
Warning signs required by § 2216.6 shall carry the following information:
A guard shall be on the site during the entire fumigation period.
A guard shall be capable, awake, alert, and remain on duty at the site at all times to prevent unauthorized persons from gaining entrance into the structure.
The licensed certified applicator shall:
Only a licensed applicator certified to perform fumigation shall perform the introduction of the fumigant.
D.C. Mun. Regs. tit. 20, r. 20-2216