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November 14, 1991 <br /> Beacon Station No. 492, Manteca, California <br /> o Notices that the breathing air becomes uncomfortably warm; <br /> o Experiences headaches, dizziness, cramps,-nausea, or blurred vision; <br /> o Experiences changes in complexion or skin discoloration; <br /> o Experiences changes in motor coordination, personality, or demeanor; <br /> o Experiences changes in speech ability or pattern; <br /> o Experiences excessive salivation.or changes in pupillary response. <br /> Qualitative Respirator Fit Test <br /> Qualitative fit testing of each respirator must be conducted before the respirator may be <br /> used, to check that a good fit is still obtained. The following steps should be taken in <br /> qual"itative fit test of the respirator. <br /> 1. Don the face piece with cartridge or filter_s in place. Pull straps together and <br /> equally to avoid distorting the mask. <br /> 2. Adjust the face piece. Do not overtighten it. <br /> 3. Negative Pressure Leak Check: Close off both inlet connections with palms <br /> of hands, inhale slowly, and'hold breath momentarily. No leakage should be <br /> detected and`the face piece should be drawn slightly to the face. <br /> 4. Positive Pressure Leak Check: Close opening in the exhalation valve guard by <br /> placing palm-of one hand over face of guard; exhale slowly maintaining slight <br /> positive pressure. No leakage should be detected between the face seal and <br /> the face. <br /> 5. Should any leakage be noted: <br /> a) Adjust the headstraps and face piece slightly; recheck for leakage. <br /> b). Check condition of exhalation valve and seat. Check that both inlet <br /> gaskets are present and. in proper condition. <br /> 86102-7s 10 <br />