29 C.F.R. § 1915.88
(a) General requirements.
(b) Potable water.
(c) Non-potable water.
(d) Toilets—(1) General requirements. The employer shall ensure that sewered and portable toilets:
(ii) Are separate for each sex, except as provided in (d)(1)(ii)(B) of this section;
(2) Minimum number of toilets.
(i) The employer shall provide at least the following number of toilets for each sex. Portable toilets that meet the requirements of paragraph (d)(3) of this section may be included in the minimum number of toilets.
| Number of employees of each sex | Minimum number of toilets per sex |
|---|---|
| 1 to 15 | 1 |
| 16 to 35 | 2 |
| 36 to 55 | 3 |
| 56 to 80 | 4 |
| 81 to 110 | 5 |
| 111 to 150 | 6 |
| Over 150 | 1 additional toilet for each additional 40 employees. |
| Note to Table F-2 of § 1915.88: When toilets will only be used by men, urinals may be provided instead of toilets, except that the number of toilets in such cases shall not be reduced to less than two-thirds of the minimum specified. |
(3) Portable toilets.
(e) Handwashing facilities.
(2) The employer shall ensure that each handwashing facility:
(f) Showers.
(g) Changing rooms. When an employer provides protective clothing to prevent employee exposure to hazardous or toxic substances, the employer shall provide the following:
(i) Waste disposal.
(1) The employer shall provide waste receptacles that meet the following requirements:
(j) Vermin control.