Document gaOYzxX4vOeOKp8NjpZGr5Bma

PERSONAL PROTECTIVE EQUIPMENT I HAZARD I 1 TOXIC CONTAMINANT 1 IMMEDIATELY OAMSEROV3 TDUFt 1GASEOUSt immediately DAMGCROOS to un GASEOUS AND ( PARTICULATE | PARTICULATE ____ owT.urerJ ais-une^ fABRASIV OB'EUMtTS RESWRATOir 5BLASHN6 _RESuPIiRhATO-R{ RESPIR 1 Istuicoramro -APPARATUS feess KOSE-MA5K gemwERi. j GAS MASK hzj______ TUR-UNEJ K05EUASK rzspuuicr WTHODtrt rt &umcR^> ;| 191 CHEMICAL^ CARTRIDGE RESPIRATOR Fig. 36-12. Outline for selecting respiratory protective devices taller Bureou of Mines Informotion circular 7792) Numbers in parentheses (in shaded boxes) refer to Bureau of Mines Schedules and Revisions thereof which discuss the items. The industrial safety man should famil iarize himself with the type of hazard for which a given type of respiratory equip ment is approved, and should not permit its use for protection against hazards for which it is not designed For instance, mechanical fitter respirators are of no value as protec tion og/ilnst solvent vapors, injurious gases, or lack of oxygen Their use under these conditions is one of the most common and most dangerous abuses of respirators Other common misuses of respiratory equipment is to use chemical cartridge res pirators where canister masks are required or to use chemical filtering types where air fed or self-contamed units are necessary. Some substances require protection against not only damage to the respiratory system but also systemic mpuy through die skm All substances should be investi gated to learn whether this double hazard is involved Some common substances which are hazardous through both the respiratory system and the skm are Amlme Carbon disulfide Cresol (cresylic acid) Dichloroethylene-1,1 Decalm (decahydronaphthalene) Diethylene oxide (dioxane-1,4) Disthylphthalate Dimethylanihne Duutrobenzene Duutrochlorobenzene Hydrogen cyanide (hydrocyanic acid) Iodoform Lead tetraethyl Mercury and its compounds Nicotine Nitrobenzene Nitroglycerine Organic phosphate insecticides Phenyl hydrazine Tetrahn (tetrahydronaphthalene) 36-21