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1 <br /> COLUMBIA ANALYTICAL SERVICES INC <br /> Analvtical Report <br /> Client EMCON Associates Date Received 04/21/93 <br /> I Project EMCON Project No OG71-051 01 Service Request No SJ93-0544 <br /> ARCO Facility No 6020 Sample Matrix Water <br /> i <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California OHS LUFT Method <br /> Ng/L (ppb) <br /> I <br /> I Sample Name MW-1 1391 MW-2_A3$1 MW-3 1361 <br /> Date Analyzed 04/26/93 04/26/93 04/26/93 " <br /> Analyte MRL <br /> • Benzene 0 5 ND ND NO <br /> Toluene 0 5 ND NO NO <br /> Ethylbenzene 0 5 NO ND NO <br /> Total Xylenes 0 5 NO ND NO <br /> TPH as Gasoline 50 NO ND NO <br /> i <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> NO None Detected at or above the method reporting limit <br /> This sample was part of the analytical batch started on April 26, 1993 However, it was <br /> analyzed after midnight so the actual date analyzed is April 27 1993 <br /> i <br /> Approved by W +'! Date ] � <br /> I <br /> 2 <br />