Each facility shall be equipped with at least one (1) sink with running hot and cold water for general salon or shop purposes, and at least one (1) sink with running hot and cold water for shampoo purposes.
Each facility shall be equipped with an additional shampoo sink with running hot and cold water for each four (4) chairs beyond the first.
All shampoo sinks serving a chair or chairs, or shampoo booth or booths shall be equipped with shampoo fittings and trim.
Shampoo sinks, other than those in booths, shall not be spaced closer than four feet (4 ft.) center to center.
Each barber chair shall be stocked with the following supplies:
D.C. Mun. Regs. tit. 25, r. 25-E501