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F, <br /> September 23, 1993 Working To Restore Nature <br /> BP Facility No. 11191, Stockton, California <br /> Danger Signals Indicating Possible Respirator Failure <br /> If any of the danger signals in the following list are experienced while wearing a respirator, <br /> immediately return to a fresh air environment. The cartridges or filters may be <br /> inappropriate or used up or abnormal conditions may-be creating'vapor concentrations <br /> which are beyond.the limits of the cartridges or filters. Danger is indicated when the <br /> individual subject to exposure: <br /> o Smells or tastes chemicals, or if eyes, nose, or throat become irritated; <br /> o Has difficulty breathing; <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 /> 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 /> lois 10 <br />