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Pn a <br /> Ground water levels in each well were measured to the nearest <br /> 0.01 foot on May 7, 1991, from the Pre-established reference <br /> an electronic <br /> Of each PVC casing using based on <br /> mark at the top otentiometric surface data, is <br /> sounder. A ground water P <br /> „ interpretation of ground water level and survey <br /> presented in Figure 3• Survey data and water level <br /> measurements are presented in Table 1. <br /> 4.0 ANALYTICAL METBOD5 Inc. , <br /> analyses were performed by Chromalab, <br /> All laboratory Inc., and Pacific <br /> superior Analytical l,aboraallyare California-certified <br /> Environmental Laboratory, f soil an <br /> round water <br /> eth <br /> using standard test mPP.7°andhthe <br /> laboratories. All chemical analyses og <br /> samples were performed ency <br /> ental Protection Ag Cal-DHS) , as <br /> United States Environmental Health Services ( <br /> California Department <br /> discussed below. <br /> ur <br /> A total of seven soil samples were collected -9 at°depths <br /> s B-2, B-3, B-4, and 8oi les were <br /> additional soil borings, rade, 5ei1 same <br /> from 6.5 to 11.5 feet below g <br /> anaranlyzed for the following: <br /> a TPH-G using EPA p;ethods 5030/8015 <br /> e BTEX using EPA Methods 5030/8020 <br /> • TPH-D using EPA Methods 3550/8015 <br /> analysis of the soil samples <br /> The results of the Table <br /> 2.laboratory <br /> official laboratory reports <br /> are presented in Table 2. endix G. <br /> and chain of custody documents are included in App <br /> 4.2 temporary <br /> lea collected from the tempera as <br /> - Selected ground water saMP zed for the <br /> wells during qualitative ground ilseWee analyze <br /> from all the permanent monitoring <br /> following: <br /> e TPH-G using EPA Methods 5030/8015 <br /> o BTEX using EPA Method 602 <br /> ® TPS-D using EPA Methods 3510/8015 <br /> _ o_ Fecal Califa74: Standard Method 908C <br /> g <br /> i <br /> — — s <br />