9.8.2. No worker may work in compressed air unless he has been previously subjected to an examination by the physician and found by him to be physically fit to work in compressed air. For this purpose, the physician shall have the worker undergo a medical examination in the test air lock or in the medical lock. Such worker may not work under any pressure for longer than one half-day unless he has been re-examined by the physician and found physically fit to do so.
R.R.Q., 1981, c. S-2.1, r. 6, s. 9.8.2.