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COLUMBIA ANALYTICAL SERVICES. INC. <br /> naivtical Report <br /> _ Client: EMCON Associates <br /> --Project: EMCON Pro�ect No. 0 7�'-- - Date .Received: 1 1130193 <br /> 1 G 029:01. Service Request No.: SJ93-1453 <br /> ARCO Facility No. 2 133 Sample Matrix: (Nater <br /> BTEX-and TPH as .Gasoline <br /> EPA Metnv;s 5030/80201California DHS LUFT Method <br /> ArgrL (ppb) <br /> Sam-pie Name: MW-8 (751 MW-10 171) Method°Blank <br /> Date Analyzea: 12106/93 12/07793 12106/93 <br /> Id Analyte MRL <br /> Benzene . 0.5 NO < 1 1 . - NO <br /> Toluene 0.5 NO .<3. NO <br /> Ethy:lbenzene 0.5 NO < 1 . - NO <br /> Total Xylenes 0.5 NO 1 . ND <br /> TPH as Gasoline 50 69. 1.,000. ND <br /> 'Sample Name: Method Blank <br /> Date Analyzed: 12107193. <br /> Analyte MRL <br /> Benzene 0.5 ND <br /> Toluene 0.5 NO <br /> i.� Ethvibenzene 0.5 NO <br /> Total Xylenes 0.5 NO <br /> TPH as-Gasoline 0 ND <br /> 1 116; <br /> Raised MRL due to matr, nterferehce. <br /> �* Raised MRL due-to hion =.-.alvte concentration requiring sample dilution. <br /> Approved by: L �ll Dater <br /> _. q <br />