Laserfiche WebLink
• 0 <br /> Table 3 Criteria for Upgrading Personal Protection <br /> Sustained Breathing Zone TOV Level of Protection <br /> and Dust <br /> Background + 5 ppm Level-D (no respiratory protection) <br /> 5 ppm to 20 ppm Level-C (half-face air-purifying <br /> respiratory equipped with organic <br /> vapor/high-efficiency particulate <br /> air [HEPA] cartridges) <br /> 20 ppm to 50 ppm or 2 mg/ m3 Level-C (full-face air-purifying <br /> respirators equipped with organic <br /> vapor/HEPA cartridges) <br /> Above 50 ppm Level-B (supplied air respirators) <br /> 5164.00-3/4/03 <br /> ERM <br /> HASP CANON 17 <br />