Pennsylvania Statutes Title 43 P.S. Labor § 475. Duty of employees

(a) Use the washing facilities provided by the employer in accord with section three (b),  2 and wash himself at least as often as a time allowance is therein granted for such use;

(b) Use the eating-room provided by the employer in accord with section three (d), unless the employee goes off the premises for his meals;

(c) Put on, and wear at all times while engaged in such work or process, a suit of the clothing provided by the employer in accord with section three (f), and remove the same before leaving at the close of the day's work, and keep his street clothes and his working clothes, when not in use, in separate lockers or separate parts of the locker provided by the employer in accord with section three (c).

(d) Keep clean the respirators provided by the employer in accord with section three (g), and use one at all times while he is engaged in any work or process included in section two of this act.