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• FIELD PROCEDURES <br /> Groundwater Measuring. Puj:ging, and Samplin <br /> The water level in each well was measured with an electronic water level indicator The wells <br /> were checked for free product with a clean, Teflon®bailer prior to purging and sampling When <br /> free product was not observed, groundwater from monitoring wells MWl through MWS was <br /> purged with a 2-inch diameter submersible pump Purging of the wells included the removal of <br /> approximately three well volumes of water from each well Groundwater samples were then <br /> collected with new polyethylene disposable banters and decanted into appropriate sampling <br /> containers provided by the analytical laboratory The samples were immediately placed in an ice <br /> chest containing ice Samples were transported under chain-of-custody documentation to a <br /> California Department of Health Services-certified laboratory for analysis of Total Petroleum <br /> Hydrocarbons as gasohne (TPH g) using modified EPA method 8015 and Benzene, Toluene, <br /> Ethylbenzene, and Total Xylenes using EPA method 602 <br /> The purging equipment was cleaned with a solution of liqunnox detergent and water between each <br /> well to minimize the potential for cross-contammatnon All water removed during purging <br /> operations was placed in sealed, labeled 55-gallon drums and stored on-site <br /> i <br /> WALLACE•KUHL <br /> RecycWpape &ASSOCIATES INC <br />