D.C. Mun. Regs. tit. 25-G, § 501
501.1 There shall be at least one (1) handwashing sink in a body art establishment.
501.2 Each handwashing sink or group of two (2) adjacent sinks shall be provided with hand cleaning liquid or powder.
501.3 Each handwashing sink or group of adjacent sinks shall be provided with:
(a) Individual, disposable towels; or
(b) A heated-air, hand-drying device.
501.4 A sign or poster that notifies employees to wash their hands shall be provided at all handwashing sinks.
SOURCE: Final Rulemaking published at 64 DCR 13496 (December 29, 2017).