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COLUMBIA ANALYTICAL SERVICES, INC s f ' <br /> Analytical Report .; <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 /> NgIL (Ppb) <br /> Sample Name PR-1 (27) PR-2 (27) BHD-1 (27) <br /> Date Analyzed, 02/05/93 " 02/05/93 " 02105/930 <br /> Analyte MRL <br /> • Benzene 0 5 ND ND 270. <br /> Toluene 0.5 ND ND 19 <br /> Ethylbenzene 05 ND ND 790. <br /> Total Xylenes 0 5 ND ND 300 <br /> TPH as Gasoline 50 ND ND 6,700. <br /> TPH Total Petroleum Hydrocarbons <br /> MRL Method Reporting Lima <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 /> • <br /> Approved by Date: Q/J�' Zi 9q� <br /> 2 <br />