Hong Kong Regulations

FACTORIES AND INDUSTRIAL UNDERTAKINGS (WORK IN COMPRESSED AIR) REGULATIONS - REGULATION 22

Use of medical locks

(1) A medical lock shall not be used for any purpose other than a therapeutic
purpose: Provided that this paragraph shall not apply where a medical lock is
used-

   (a)  for the training and testing of persons without previous experience of
        compressed air work; or

   (b)  in case of an emergency.

(2) A medical lock shall, at all times, be kept ready for immediate use.