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['Personal Protective Equipment']
['Respiratory Protection']
10/07/2026
§84.70 Self-contained breathing apparatus; description.
§84.71 Self-contained breathing apparatus; required components.
§84.72 Breathing tubes; minimum requirements.
§84.73 Harnesses; installation and construction; minimum requirements.
§84.74 Apparatus containers; minimum requirements.
§84.75 Half-mask facepieces, full facepieces, mouthpieces; fit; minimum requirements.
§84.76 Facepieces; eyepieces; minimum requirements.
§84.77 Inhalation and exhalation valves; minimum requirements.
§84.78 Head harnesses; minimum requirements.
§84.79 Breathing gas; minimum requirements.
§84.80 Interchangeability of oxygen and air prohibited.
§84.81 Compressed breathing gas and liquefied breathing gas containers; minimum requirements.
§84.82 Gas pressure gages; minimum requirements.
§84.83 Timers; elapsed time indicators; remaining service life indicators; minimum requirements.
§84.84 Hand-operated valves; minimum requirements.
§84.85 Breathing bags; minimum requirements.
§84.86 Component parts exposed to oxygen pressures; minimum requirements.
§84.87 Compressed gas filters; minimum requirements.
§84.90 Breathing resistance test; inhalation.
§84.91 Breathing resistance test; exhalation.
§84.92 Exhalation valve leakage test.
§84.93 Gas flow test; open-circuit apparatus.
§84.94 Gas flow test; closed-circuit apparatus.
§84.95 Service time test; open-circuit apparatus.
§84.96 Service time test; closed-circuit apparatus.
§84.98 Tests during low temperature operation.
§84.99 Man tests; testing conditions; general requirements.
§84.100 Man tests 1, 2, 3, and 4; requirements.
§84.101 Man test 5; requirements.
§84.102 Man test 6; requirements.
['Personal Protective Equipment']
['Respiratory Protection']
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