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COLUMBIA ANALYTICAL SERVICES INC <br /> ' Analytical Report <br /> Client EMCON Associates Date Received 11/19/93 <br /> Project EMCON Project No OG71-017 01 Service Request No SJ93-1434 <br /> ARCO Facility No 434 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 _W-8 (69) W-9 (78) W-10 (781 <br /> Date Analyzed 11/24/93 11/24/93 11/24/93 <br /> Analyte MRL <br /> Benzene 0 5 ND ND ND <br /> Toluene 0 5 ND ND NO <br /> Ethylbenzene 0 5 ND NO NO <br /> Total Xylenes 0 5 ND ND ND <br /> TPH as Gasoline 50 ND NO ND <br /> Sample Name W-11 (79) W-12 (77) Method Blank <br /> Date Analyzed 11/24/93 11/24/93 11/23/93 <br /> Analyte MRL <br /> Benzene 0 5 ND ND ND <br /> Toluene 0 5 ND ND ND <br /> Ethylbenzene 0 5 NO ND ND <br /> Total Xylenes 0 5 ND ND ND <br /> TPH as Gasoline 50 ND ND ND <br /> 1 &Approved by I'L Date L ��� � -7 9 <br /> 4 <br /> "^ ^ - _� -_ _ l__ i_ _ r_ f_ _ rhe 1♦ - T_1-_� nn r♦�� n nn . ..n w ti .. e e <br />