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Reactive ( } Volatile (X) Radioactive Biological Agent i { ) 9 9 { ) Toxicity'( ") <br /> Chemical name TLV/PEL IDLH <br /> Benzene 0.5 mg/cubic meter 3000 ppm <br /> Site monitoring equipment (include calibration standards): <br /> Photoionization Detector, Calibrated to 100 PPM isobutalyne. <br /> Heat stress conditions: Yes ( } No ( X) <br /> Dust monitoring: Yes ( } No (X) <br /> Air monitoring protocol: Monitor at the breathing zone next to the person closet to the potential <br /> contamination. <br /> Conditions for suspension of operations: 100 ppm total hydrocarbons in ambient air. x <br /> f <br /> f <br /> 3.0 PERSONAL PROTECTION { <br /> I <br /> Level of protection planned: Level D personal protection equipment (PPE) includes coverall, (Dry) <br /> leather/(Wet) Neoprene steel toe and shank boots, (Wet/Dry) eye protection, hard hat, and nitrile <br /> gloves. <br /> Conditions to upgrade to level C: 100 ppm total hydrocarbons in ambient air. <br /> Level C contingency equipment: Level C (PPE) includes (Dry/Wet)'tyvek suits with oyer-boots <br /> attached to the tyvek suits with duct tape, nitrile gloves, (Dry) leather/(Wet) neoprene .boots with <br /> steel toe and shank, (Dry/Wet) eye protection, hard hat, and a full-face air-purifying respirator with <br /> Scott 642-OA-H cartridge filter or equivalent. <br /> s Instruction for disposal of contaminated equipment: In approved containers only. <br /> i <br /> , <br /> -4- <br />