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T � <br /> 3 <br /> COLUMBIA ANALYTICAL SERVICES. L1C. <br /> Analytical Report <br /> Client EMCON Senwe Request: 5950534 <br /> Project ARCO FacilltN No 2093/EMCON Project No 1775-706 001 Date Collected: 4125-26/95 <br /> Sample Matrix Nater Date Received. 4/28/95 <br /> Date Extracted. NA <br /> Date Analwed: 5/4-5195 <br /> BTEX and TPH as Gasoline <br /> EPA Methods 503018020/California DHS LUFT Method <br /> TPH as Ethyl- Xylenes, <br /> Analvtc Gasoline Benzene Toluene benzene Total <br /> Units ug/L(Ppb) ug/l(ppb) ug/1,(ppb) ug/1,(ppb) ug/L(ppb) <br /> Method Reporting limit 50 05 05 0 5 05 <br /> Sample Name Lab Code <br /> ATR-1 (26) S950534-001 ND ND ND ND ND <br /> ATR-2 (28) S950534-002 ND ND ND ND ND <br /> ATR-4 (26) 59505344)03 1,100 19 <l* 110 83 <br /> ATR-5 (26) S9505344)04 83 ND ND ND ND <br /> ATR-7 (26) S950534-005 ND ND ND ND ND <br /> ATR-9 (24) 5950534-006 ND ND ND ND ND <br /> ATR-10 (2 4) S950534-007 ND ND ND ND ND <br /> ATR-11 (2 3) S950534-008 ND ND ND ND ND <br /> SMW-1 (18) 5950534-009 5,100 470 110 270 480 <br /> Method Blank 5950504-WB 1 ND ND ND ND ND <br /> Method Blank 5950505-WB 1 ND ND ND ND ND <br /> *Raised MRI,due to high analvte concentration requiring sample dilution <br /> Approved By Date QTS <br /> S <br /> 5AUXCAS1061694 <br /> 0534)CLS Wghtea 910193 NIS No" <br /> n� . <br /> 1921 Ringwood Avenue * Son Jose California 95131 • Teleohone 408/437-2400 • Fox 408/407-9056 <br />