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� F <br /> COLUMBIA ANALYTICAL SERVICES, INC <br /> Analytical Report <br /> Client EMCON Associates Date Received 11/01/93 <br /> Project- EMCON Project No OG71-038 01 Service Request No - SJ93-1339 <br /> ARCO Facility No 2168 Sample Matrix Water <br /> I BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> 119/L (ppb) <br /> I <br /> Sample Name MW-1 (54) MW-2153) MW-3 (54) <br /> Date Analyzed 11/10193 11109/93 11/10/93 <br /> Analyte MRL <br /> I <br /> Benzene 0 5 8,900 3,600 14,000 <br /> Toluene 0 5 1 ,200 2,300 1,900 <br /> Ethyfbenzene 0 5 830 320 2,000 <br /> Total Xylenes 0 5 2,300 1,500 4,200 <br /> I� TPH as Gasoline 50 31,000 17,000 46,000 <br /> Sample Name MW-4 (591 MW-5 (55) MW-6 (47) <br /> Date Analyzed 11/09/93 11/10/93 11/10/93 <br /> I <br /> Analyte MRL <br /> Benzene 0 5 11,000 9,200 15,000 <br /> Toluene 0 5 20,000 9,000 20,000 <br /> Ethyfbenzene 0 5 2,700 1 ,200 1,600 <br /> I Total Xylenes 0 5 13,000 6,700 11,000 <br /> TPH as Gasoline 50 90 000 60,000 93,000 <br /> I <br /> 1 <br /> Approved by �"�('l c /�xt�,� Date 11 - 1a 1?3 <br /> 4 <br />