NIOSH-approved under 42 CFR 84 for use in certain environments where particles are present with formaldehyde and/or certain organic vapors. This cartridge can be used with the 3M 6000 Series Half and Full Facepieces, the 3M 7000 Series Half Facepiece, and the 3M 7800S Full Facepiece with bayonet style cartridge holders. Applications include chemical processing, hazardous spill response, pulp and paper mills, metals reduction.