Appropriate Breathing Mixture

“Appropriate breathing mixture” means, in relation to a diving operation, a breathing mixture that is suitable, in terms of composition, temperature and pressure, for the diving plant and equipment used in the diving operation, for the work to be undertaken and for the conditions under which and the depth at which the diving operation is to be conducted (mélange respiratoire approprié).

Source: Canada Oil and Gas Diving Regulations, SOR/88-600, February 2013. Regulations  

Source: Nova Scotia Offshore Area Petroleum Diving Regulations, SOR/95-189, Canada, current to May 31, 2012. Regulations

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