All rooms in which food or drink is stored, prepared, or served, or in which utensils are washed, shall be provided with adequate natural or artificial lighting.
In rooms in which food or drink is prepared or served, or in which utensils are washed, adequate natural or artificial lighting shall be provided which is sufficient to produce an intensity of not less than fifteen (15) foot candles at thirty inches (30") from the floor.
In rooms in which food or drink is stored, adequate natural or artificial lighting shall be provided which is sufficient to produce an intensity of not less than four (4) foot candles, at thirty inches (30") from the floor.
D.C. Mun. Regs. tit. 14, r. 14-1108