C.F.R. » Title 42 » CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES › SUBCHAPTER G—OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES › PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES › Subpart H—Self-Contained Breathing Apparatus

42 C.F.R. § 84.96

Service time test; closed-circuit apparatus

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(a) The closed-circuit apparatus will be classified according to the length of time it supplies adequate breathing gas to the wearer during man test No. 4 described in Table 4 of this subpart.

(b) The service time obtained on man test No. 4 will be used to classify the closed-circuit apparatus in accordance with § 84.53.