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['Personal Protective Equipment']
['Respiratory Protection']
10/07/2026
§84.170 Air-purifying particulate respirators; description.
§84.171 Required components and attributes.
§84.172 Airflow resistance test.
§84.173 Exhalation valve leakage test.
§84.174 Filter efficiency level determination test—non-powered series N, R, and P filtration.
§84.176 Fit test—PAPR classes HE and PAPR100.
§84.177 Total noise level test—PAPR classes HE and PAPR100.
§84.178 Breath response type, airflow resistance test—PAPR classes HE and PAPR100.
§84.179 Silica dust loading test—PAPR series HE filtration.
§84.180 Particulate loading test—PAPR series PAPR100-N and PAPR100-P filtration.
§84.181 Communication performance test—PAPR class PAPR100.
[85 FR 20608, Apr. 14, 2002, unless otherwise noted.]
['Personal Protective Equipment']
['Respiratory Protection']
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