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- r A- ,4 <br /> - _ -w <br /> s <br /> The level of personal protection will be upgraded to level C if <br /> any of following conditions are met: <br /> o If the concentration of benzene in the breathing zone equals <br /> or exceed 1 parts per million (ppm) <br /> o If the concentration of organic compounds other than benzene <br /> exceeds 50 ppm, <br /> In the event that the concentration of benzene exceeds 100 <br /> personnel will move away from the area until readings subside toma <br /> level below 50 ppm, in the unlikely event that the concentrations <br /> f of total volatile organic compounds (other than benzene exceed <br /> 1,000 ppm, personnel will back off from the area and consult the <br /> Office Health and Safety Office. <br /> i <br /> Level C protection will consist of: <br /> o Standard work clothes <br /> o Full-face air-purifying respir:.tor <br /> o Combination dust/organic vapor cartridges <br /> o Tyvek coveralls <br /> ! o PVC inner and neoprene outer gloves <br /> j <br /> 3-2 <br />