An adequate number of lavatories shall be provided at locations conveniently to toilet rooms and shellfish handling operations, including running hot and cold water, soap, and individual disposal towels. The use of a common towel is prohibited.
All employees shall wash their hands thoroughly with running water and soap on beginning work and after each visit to the toilet. Signs to this effect shall be posted in conspicuous places in the plant and in the toilet rooms.
Cal. Code Regs. Tit. 17, § 7751