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LBNL Respiratory Protection Program - Lawrence Berkeley National ...

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APPENDIX F<br />

RESPIRATOR CARTRIDGE AND FILTER COLOR DESIGNATIONS<br />

Color-coded cartridges are available for a variety of air contaminants. In addition to the color-code<br />

convention, the specific contaminant groups are printed on the side of the cartridge or filter. The<br />

most common cartridge and filter colors are described here:<br />

• HEPA or P100 Filter (Magenta): For filtration of particulates, including asbestos, lead, and<br />

silica. The “P” indicates the filter media is “oil-Proof”, and the “100” indicates the filter<br />

efficiency is 99.97% of particles at the 0.3 micron size. “Magenta” color may range from<br />

pink to purple<br />

• Organic Vapor Cartridge (Black): For certain organic vapors. IH will determine service<br />

life based on the specific contaminants when respirators are mandatory for employee<br />

protection<br />

• Acid Gas Cartridges (White): For use in atmospheres with acid gas, such as chlorine,<br />

hydrogen chloride, sulfur dioxide, hydrogen fluoride<br />

• Organic Vapor and Acid Gas Combination Cartridge (Yellow): For use in atmospheres<br />

with organic vapors and acid gas in combination, or atmospheres with either organic vapors<br />

or acid gas<br />

• Mercury Vapor and Chlorine Gas Cartridge (Orange or olive): Useful for protection<br />

against mercury vapor and chlorine gas<br />

• Multi Contaminant (Olive): For multiple contaminant types. This can include certain<br />

organic vapors, acid gases, formaldehyde, ammonia, and methylamine. Olive may be used<br />

for other cartridges such as mercury/chlorine. Care should be taken to check the side of the<br />

cartridge to verify its approved use<br />

<strong>LBNL</strong> <strong>Respiratory</strong> <strong>Protection</strong> <strong>Program</strong> Appendix F<br />

V2.4 Revised 3/28/12<br />

Respirator Cartridge and Filter Color Designations

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