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COLUMBIA ANALYTICAL SERVICES, INC , <br /> Analytical Report r - <br /> . Client. EMCON Associates Date Received 01/29/93 <br /> Project. EMCON Project No OG71-019 01 Service Request No SJ93-0122 <br /> ARCO Facility No 2133 Sample Matrix Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> ug/L (ppb) <br /> Sample Name. E-4 21 E-5 (19) E-G 18 <br /> Date Analyzed 02/05/93 " 02/08/93 02/08/93 <br /> Analyte MRL <br /> Benzene 05 470 4,000 3,300 <br /> Toluene 05 26. 110 310. <br /> Ethylbenzene 05 130 470 1,000 <br /> . Total Xylenes 05 270 800. 1,600 <br /> TPH as Gasoline 50 10,000. 26,000 27,000. <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit <br /> ' This sample was part of the analytical batch started on February 5, 1993 However, it was <br /> analyzed after midnight so the actual date analyzed is February 6, 1993 <br /> This sample was part of the analytical batch started on February 8, 1993 However, it was <br /> analyzed after midnight so the actual date analyzed is February 9, 1993 <br /> Approved by: �� Date. �3 <br /> 4 <br />