Filter and pump rooms shall be kept clean and reasonably dry at all times.
Controls, valves, and gauges shall be accessible and shall not be blocked by extraneous materials. Valves and gauges shall function properly and be labeled in accordance with a posted backwash procedures chart.
Disinfectant and chemical feeders, capable of precisely introducing a sufficient quantity of an approved disinfecting agent to maintain the appropriate disinfectant residuals, shall be used at swimming pools and spas.
No person shall use chemical products or pesticides in a manner that is inconsistent with the product's labeling, or that is in violation of any restrictions imposed on the product's use by the United States Environmental Protection Agency or the Department.
All chemical products used in swimming pool or spa waters shall be used according to:
Disinfecting products other than chlorine or bromine may be used after approval by the Department when they have been adequately demonstrated to:
Non-staff persons shall not have access to machinery, electric panels, or pool or spa chemicals.
D.C. Mun. Regs. tit. 25, r. 25-C6437