• § 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.

• § 84.88 - Breathing bag test.

• § 84.89 - Weight requirement.

• § 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.

• § 84.97 - Test for carbon dioxide in inspired gas; open- and closed-circuit apparatus; maximum allowable limits.

• § 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.

• § 84.103 - Man tests; performance requirements.

• § 84.104 - Gas tightness test; minimum requirements.