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w 0 <br /> 7.0 DECONTAMINATION PROCEDURES <br /> 7.1 Personnel Decontamination <br /> Personnel decontamination is not expected to be necessary for most of the fieldwork. The <br /> only exception is when Level C protection is used. In this case, decontamination <br /> procedures will be performed on all personnel wearing Level C PPE when leaving the Site <br /> working zone. The personnel decontamination procedures, if needed, are included in <br /> Exhibit C. <br /> 7.2 Equipment Decontamination <br /> Equipment that needs to be decontaminated may include hand augers, drill bits and <br /> augers, backhoe, tools, monitoring equipment, sample containers, and the <br /> decontamination equipment itself. <br /> Equipment will be cleaned prior to entering the Site to remove any grease, oil, encrusted <br /> dirt, or other materials. Whenever possible, gross contamination on equipment will be <br /> removed in the exclusion zone prior to bringing equipment back to the contamination <br /> reduction zone. <br /> General equipment decontamination consists of dry brushing with a stiff-bristled brush <br /> and/or a soap and water wash that will be followed by a potable water rinse. If soap and <br /> water alone cannot remove contamination, additional procedures may be used such as <br /> steam cleaning. <br /> 7.2.1 Hand Auger and Sampling Equipment <br /> Hand auger and sampling equipment will be decontaminated before and between each use <br /> to prevent cross contamination, as well as after sampling is completed, and when the <br /> equipment leaves the exclusion zone. Sampling equipment may include trowels, shovels, <br /> spoons, samplers and sleeves, and augers. <br /> All hand augers and sampling equipment will be decontaminated using a non-phosphate <br /> detergent and water wash, followed by two clean-water rinses. The sample tool is then <br /> rinsed with deionized or distilled water and is air-dried. <br /> Sample handling areas and equipment will be cleaned or wiped down daily. Disposable <br /> wipes will be used and discarded into a plastic bag. These will subsequently be placed in <br /> the disposal drum for final disposition. For final cleanup, all equipment will be <br /> disassembled and decontaminated. Any equipment that cannot be satisfactorily <br /> decontaminated will be disposed of (e.g., glassware, covers for surfaces) as previously <br /> indicated. <br /> ENV~ 19 February 2005 <br /> A M E R I C A P:\PG&E\PGE-05-01 Stockton MW26R Investigation\MW26 Work Plan\H&S\H&S Plan-2005.doc <br />