9.2.6. The pressure in a working chamber shall not exceed 350 kPa, for more than 5 minutes except when necessary for the safety of persons during an emergency, in which case:(a) the inspector shall be notified immediately by the employer;
(b) the pressure in the working chamber shall be the least that meets the emergency;
(c) the maximum hours of the working periods and the minimum hours of the rest periods shall be determined by the project physician; and
(d) the project physician shall establish the rates for compression and decompression procedures.