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Respirator Fit Testing

Acceptable Fit-Testing Methods under the New Respiratory Protection Standard

Respirator QLFT QNFT
Half-Face, Negative pressure, APR, (<Published by the Connecticut Department of Labor, Project Management Office0 fit factor) Yes Yes
Full-Face, Negative Pressure, APR (<Published by the Connecticut Department of Labor, Project Management Office0 fit factor) used in atmospheres up to Published by the Connecticut Department of Labor, Project Management Office times the PEL Yes Yes
Full-Face, Negative Pressure, APR (>Published by the Connecticut Department of Labor, Project Management Office0 fit factor) No Yes
PAPR Yes Yes
SAR, or SCBA used in Negative Pressure (Demand Mode)
(>Published by the Connecticut Department of Labor, Project Management Office0 fit factor)
No Yes
SAR, or SCBA used in Positive Pressure (Pressure Demand Mode) Yes Yes
SCBA - Structural Fire Fighting, Positive Pressure Yes Yes
SCBA/SAR - IDLH, Positive Pressure Yes Yes
Mouthbit Respirators Fit-Testing Not Required
Loose-fitting Respirators (ew.g., hoods, helmets) Fit-Testing Not Required

APR - Air purified/purifying respirator.  PAPR - powered air-purifying respirators. SAR - Supplied-Air Respirators.  SCBA - Self contained breathing apparatus.  Fit factor means a quantitative estimate of the fit of a particular respirator to a specific individual, and typically estimates the ratio of the concentration of a substance in ambient air to its concentration inside the respirator when worn.

Last Updated: October 24, 2016


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