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COLUMBIA ANALYTICAL SERVICES,INC. <br /> Analytical Report <br />. Client EMCON Associates Semce Request S950192 <br /> PrnleLt ARCO Facilitv No 760/EMCON Project No 1775-212 01 Date Collected. 2/13/95 <br /> Sample Matrix Water Date Received: 2/16/95 <br /> Date Extracted. NA <br /> Date Analyred: 2/22, 23/95 <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS L-77 Method <br /> TPH as Ethyl- Xylenes, <br /> Analyte Gasoline Benzene Toluene benzene Total <br /> Units ug/L(Ppb) ug/L -pb) ug/L(ppb) ug/L(Ppb) ug/L(ppb) <br /> Method Reporting Limit 5o i= _ D 5 05 05 <br /> Simple Namc. Lab Code <br /> M W-1(7-1') 5950192-001 290 \D 3 2 15 2 9 <br /> MW-2(73') S950192-002 130 ND ND ND 08 <br /> MW-3(73') 5950192-003 180 `D ND 0 5 12 <br /> Method Blank 5950222-WB I ND N-D ND ND ND <br /> Approved B / !' l�+� <br /> up � /�-�... _,(�,,_ Date <br /> ,,WT\GA V0u 1694 1 <br /> Page 3 <br /> --- <br />