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The following protective equipment/clothing shall be worn during the following activities. <br /> ACTIVITY EQUIPMENT/CLOTHING <br /> All Hard hat, steel-toed boots, safety glasses, gloves as <br /> required and traffic safety vests. <br /> Drilling Tyvek disposable suits or work overalls, neoprene or <br /> nitrile gloves if handling soil. <br /> Drilling-elevated PID readings '/2 face respirator with organic vapor cartridge <br /> Heavy Equipment Operation Ear plugs <br /> 9.0 ACTION LEVELS <br /> Listed below are OSHA permissible exposure limits (PELs) and ACGIH recommended <br /> threshold limit values (TLVs) for the chemicals of concern at the site. <br /> Respirators shall be worn when air monitoring indicates that concentrations exceed the <br /> action levels listed below. <br /> CHEMICAL OSHA PEL ACGIH TLV <br /> Diesel Fuel None None <br /> Gasoline 300 ppm 300 ppm <br /> Benzene 1.0 ppm 1.0 ppm <br /> Toluene 100 ppm 50 ppm <br /> Ethylbenzene 100 ppm 100 ppm <br /> Xylenes 100 ppm 100 ppm <br /> MtBE None 40 <br /> 9.1 Action Levels: <br /> Wear respirator if PID reads > 10 ppm sustained in breathing zone <br /> Stop work if PID reads > 100 ppm sustained in breathing zone <br /> 10.0 DECONTAMINATION <br /> Personnel decontamination procedures (if needed): When drilling or during other activities <br /> in which contaminated soil or water may be encountered, decontamination procedures <br /> shall be followed. Prior to commencing activities requiring decontamination, a <br /> decontamination zone shall be established adjacent to the work area and clearly marked <br /> or otherwise defined. Plastic sheeting, bins, and other suitable materials shall be <br /> employed to ensure that contaminated material remains in the decontamination zone and <br /> to prevent transfer of contaminated material outside the work area. <br /> 7 <br />