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� s <br /> September 15, 1993 Working To Restore Nature <br /> Ruiz Grocery, 4441 W Durham Ferry Road, 'Tracy, California <br /> Danger Signals Indicating possible Respirators- Failure <br /> If any of the danger signals in the following lest 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 /> 0 Smells or tastes cherrincals, or if eyes, nose, or throat become irritated, <br /> a Inas 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 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 overtlghten 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 /> 123015-1 10 <br />