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Personal Protective Equipment - Respiratory Protection

§84.143 Terminal fittings or chambers; Type B supplied-air respirators; minimum requirements.

RegSense National Institute of Occupational Safety and Health (NIOSH), CDC, HHS Personal Protective Equipment Safety & Health CFR Regulations General Industry Safety CFR Section Respiratory Protection English Focus Area USA

(a) Blowers or connections to air supplies providing positive pressures shall not be approved for use on Type B supplied-air respirators.

(b) Terminal fittings or chambers employed in Type B supplied-air respirators, shall be:

(1) Installed in the inlet of the hose.

(2) Designed and constructed to provide for the drawing of air through corrosion resistant material arranged so as to be capable of removing material larger than 0.149 mm. in diameter (149 micrometers, 100-mesh, U.S. Standard sieve).

(3) Installed to provide a means for fastening or anchoring the fitting or chamber in a fixed position in a zone of respirable air.

['Personal Protective Equipment']

['Respiratory Protection']

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