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The samples were transported under strict chain-of-custody protocol to GeoAnalytical <br /> Laboratories in Modesto, California for analysis. All samples were delivered to the <br /> ' analytical laboratory within two hours from their time of collection. Appendix A <br /> contains analytical data, chain-of-custody and QA/QC data. Table 2 summarizes the <br /> analytical results from the monitoring well-samples for the March 24, 2004 sampling <br /> ' event. Historical analytical results are presented in Appendix C. <br /> 5.0 GROUND WATER ANALYTICAL RESULTS <br /> 5.1 Laboratory Analysis of Ground Water Samples <br /> ' All ground water samples were submitted to GeoAnalytical Laboratories of Modesto, <br /> California and were analyzed for the following constituents by the indicated methods: <br /> ' • Total Petroleum Hydrocarbons (TPH) - Gasoline, Method 5030/LUFT <br /> Detection limit 0.05 mg/L. <br /> • Benzene, Toluene, Ethyl benzene, Xylenes (BTEX) and MTBE, EPA Method 8021B <br /> Detection limits 0.3 �ig/L BTE, 0.6 µg/L X, 1.0 µg/L MTBE. <br /> The detection limits quoted above are the minimum reportable levels specified by the <br /> analytical laboratory. The presence of other hydrocarbons may raise the detection limits <br /> ' for specific constituents. Refer to the laboratory data sheets in Appendix A for sample <br /> specific detection limits. <br /> t <br /> 1 <br /> 1 <br /> American Geological Service,Inc. <br /> ' CA95DE-029 8 <br />