Canada Occupational Health and Safety Regulations

9.20 Subject to section 9.21, where a toilet room is provided and the work environment of employees is such that their health is likely to be endangered by a hazardous substance coming into contact with their skin, the employer shall provide a wash room with individual wash basins supplied with cold water and hot water that meets the requirements of section 9.18 as follows:

• (a) where the number of those employees does not exceed five, one wash basin;

• (b) where the number of those employees exceeds five but does not exceed 10, two wash basins;

• (c) where the number of those employees exceeds 10 but does not exceed 15, three wash basins;

• (d) where the number of those employees exceeds 15 but does not exceed 20, four wash basins; and

• (e) where the number of those employees exceeds 20, four wash basins and one additional wash basin for every 15 of those employees or portion of that number in excess of 20.