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' COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 08/26/92 <br /> Project: A. Teichert & Sons, Inc./F90-02.01 Work Order #: SJ92-1072 <br /> Sample Matrix: Water <br />' BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/lDHS L-u� Method <br /> ug/L (ppb) <br /> Sample Name: MW-13 Method Blank Method Blank <br /> Date Analyzed: 09/02/92 09/02/92 09/04/92 <br />' Analyte MRL <br />' Benzene 0.5 580. ND ND <br /> Toluene 0.5 3,000. ND ND <br /> Ethylbenzene 0.5 440. ND ND <br /> Total Xylenes 0.5 3,100. ND ND <br /> TPH as Gasoline 50 19,000. ND ND <br />' TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br />' ND None Detected at or above the method reporting limit <br /> Approved by `,L�y���w Date— S2L&-11 <br /> 4 <br /> 1921 Ringwood Avenue • Son Jose, California 95134 • Telephone 408/437-2400 • Fox 408/437-9356 <br />