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_ COLUMBIA ANALYTICAL SERVICES, INC - - <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 09/02/93 <br /> IN Project: EMCON Project No OG71-038 01 Service Request No SJ93-1 101 <br /> ARCO Facility No 2168 Sample Matrix Water <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br /> Ng/L {ppb} <br /> Sample Name MW-1 (541 MW-2 53) MW-3 [53) <br /> Date Analyzed 09/14/93 09/14/93 09/14/93 <br /> Analyte MRL <br /> Benzene 0 5 7,500 3,300 13,000 <br /> Toluene 0 5 700 1,800 2,200 <br /> Ethyibenzene 0 5 620 260 2,100 <br /> .z— <br /> Total Xylenes 0 5 2,300 1,200 4,500 <br /> TPH as Gasoline 50 27,000 18,000 49,000 <br /> Sample Name MW-4 MW-5 (55; Method Blank <br /> Date Analyzed 09/14/93 09/14/93 09/14/93 <br /> Analyte MRL <br /> Benzene 0 5 12,000 7,900 ND <br /> Toluene 0 5 21 000 6,600 ND <br /> Ethyibenzene 0 5 2 700 990 ND <br /> Total Xylenes 0 5 13 000 4800 ND <br /> TPH as Gasoline 50 110,000 51 000 ND <br /> 4 <br /> Approved by � ., <br /> Date �� �l�l�✓ GLS/ yf� <br /> �O)� 4nn+rnna A+gn,1e • Gnn l en P 1��.� � nes4 <br /> • <br />