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7. <br /> =WAN, � <br /> September 23, 1993 Working To Restore Nature <br /> BPFacility No. 11191, Stockton, California <br /> contaminant(s) to be encountered and type of cartridge or canister appropriate for personal <br /> protection. <br /> i <br /> .Assuming that the respiratoris properly fitted, in good condition, free from leaks, and has <br /> the proper cartridges for the contaminant(s) present, the length of time the respirator will <br /> provide protection also depends on the conditions of use. <br /> The conditions of use include.but.are not limited to the following: <br /> o The concentration of contaminant(s) in the atmosphere <br /> o The temperature and humidity of the ambient atmosphere <br /> o Any previous use of the cartridges and filters <br /> o The elapsed time since the removal of the cartridges or filters from their <br /> protective packaging <br /> o The emotional state of the wearer <br /> o The level of physical activity of the wearer <br /> Cartridges designed and specified to protect the wearer against airborne particles are not <br /> appropriate.for protection against gases and vapors. Cartridges designed and specified for <br /> protection against -specific gases and vapors are not appropriate for protection against <br /> airborne particles or-other gases or vapors beyond the scope of that type of cartridge. Every <br /> cartridge is labeled with specific instructions defining the use and limitations of that <br /> :particular type of cartridge. If the label is missing or the type of cartridge is inappropriate <br /> then it may not be used under any circumstances, it will provide little or no protection to <br /> the wearer. <br /> 12M13-1 9 <br /> I <br /> i <br /> I <br />