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COLUMBIA ANALYTICAL SERVICES, INC <br /> . Analytical Report <br /> Client EMCON Associates Date Received 08/04/93 <br /> Project: EMCON Project No OG71-029 01 Service Request No SJ93-0960 <br /> ARCO Facility No 2130 Sample Matrix Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LOFT Methoo <br /> pg1L (ppb) <br /> Sample Name MW-6 (73) MW-7 (72) /Method Blank <br /> Date Analyzed 08/10/93 • 08/10/93 08110193 <br /> Analyte MRL <br /> Benzene 0 5 NO ND ND <br /> Toluene 0 5 NO ND ND <br /> Ethyibenzene 0 5 NO NO ND <br /> Total Xylenes 0 5 ND NO ND <br /> TPH as Gasoline 50 170 ND ND <br /> Sample Name Method Blank Method Blank <br /> Date Analyzed 08/11/93 08/12193 <br /> Analyte MRL <br /> Benzene 0 5 NO ND <br /> Toluene 0 5 ND ND <br /> Ethylbenzene 0 5 NO ND <br /> Total Xylenes 0 5 ND ND <br /> TPH as Gasoline 50 ND ND <br /> " This sample was part of the analvticai batch started on August 10 i Q°2 However it ,vas <br /> analyzed atter midnight so the actual date anaivzed is August 1 1 1993 <br /> Approved by <br /> �� Date <br />