IAGC LAND GEOPHYSICAL SAFETY MANUAL Edition 9 ... - CGISS

systems may be recharged with existing Halon gas supplies from licensed vendors untilthis supply is exhausted, then alternative extinguishing products and systems must beinstalled.2.20 RespiratorsCrew members should be properly trained in the use of respirators where required.Local law may require physical examinations where a possibility exists that respiratorswill be used in the work place.Respirators should have cartridge's compatible for the exposure. Users of respiratorsshould be properly trained and fit tested to ensure adequate fit and seal. Users shouldalso be trained in respirator maintenance, cleaning and sanitizing. When not in use,storage facilities to prevent contamination should be provided.Breathing equipment (30-minute units) should meet the specifications as set forth in thecountry of operations:1) Pressure demand units.2) High-pressure hose with swivel fittings on both ends and hand-tight to cylinder.3) Single-stage regulator.4) Audible warning alarm when air supply is depleted to approximately 500 psi (33 bar).5) Air cylinder abrasion-resistant polyurethane coating.Page 33 of 136