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r _ <br /> r <br /> Site Safety Plan December 17, 1990 <br /> ARCO Station No. S4$, Stockton, California AGS 30004-35 <br /> Qualitative Respirator Fit Test <br /> Qualitative f;6 fisting of each respirator must be conducted before the respirator may be <br /> used to check that a good ft is still obtained. The following steps should be taken in <br /> qualitative fit test of the respirator. <br /> 1. Don the face piece with cartridge or filters 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:k <br /> 4. Positive Pressure Leak Check: Close opening in the exhalation valve guard <br /> by placing palm of one hand over face of guard; exhale slowly maintaining <br /> slight positive pressure. No leakage should be detected between the face sea] <br /> and the face. <br /> S. Should any leakage be noted: <br /> L 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 /> c) In the event the face piece cannot be adjusted so there is no leakage, <br /> DO NOT ENTER THE AREA'REQUHUNG PROTECTION. Due <br /> to your particular facial features, a different style or size face piece <br /> may be required to obtain a proper facial fit. <br /> Note: Failure to perform a qualitative fit test of the respirator each time the <br /> respirator is donned may result in little or no respiratory protection. <br /> t <br /> Inspection, Cleaning,and Storage <br /> The respirator should be inspected, cleaned, and properly stored after use each day. The <br /> F following steps are the basic elements of each procedure: <br /> A•— Inspection_ <br /> r d' 1. Examine face seal for rips,tears, holes, deformation, or stiffness. <br /> r k <br /> 10 <br /> r" "4/DIO�%fid G'1A0�'�/St�/YfS <br />