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Slide 33


    Title: (h) Respiratory Protection - Selection (cont'd)
    Type: Text Slide
    • Half-mask air-purifying respirators (other than a filtering facepiece respirator equipped with high efficiency filters, shall be provided
      • For Class II and II jobs where there is no negative exposure assessment
      • For Class III jobs where TSI or surfacing ACM or PACM is being disturbed
    • Tight fitting powered air-purifying respirators or full-facepiece supplied air respirators operated in pressure-demand mode with HEPA egress cartridges or an auxilary positive pressure self-contained breathing apparatus, shall be used for Class I work in regulated areas where
      • A negative exposure assessment has not been produced, and
      • Exposure assessment levels are < or = 1 fiber/cc for an 8-hour TWA