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` COLUMBIA ANALYTICAL SERVICES, INC <br /> Analytical Report <br /> . Client ARCO Products Company <br /> Servue Request- S9700501 <br /> P1 o1eLt 2 168' STOCKTON/20805-146 01 O/TO#20682 00 Date Collected NA <br /> Sample M,ttj n Air Date Received. NA <br /> Date Extrai.ted. NA <br /> Date Analyzed- 3/21/97 <br /> BTEX and Total Volatile Hvdrocarbons <br /> EPA Methods 5030/8020/Modified 8015 <br /> Sample Name Method Blink <br /> Lab Code S97005O1-V131 <br /> MRL-, Results <br /> nng/nO tiL/L, (ppmv) mg/m3 uL/L(ppmv) <br /> Benzene 04 0 2 ND ND <br /> Toluene 04 ND ND <br /> Ethylbenzene O 5 ND ND <br /> Xvlenes Total U 9 02 ND ND <br /> Total Volatile HNdroc,Irbons <br /> Cl - C5 12 5 ND ND <br /> C6 - C12 20 5 ND ND <br /> TPH as Gasoline 20 5 ND ND <br /> Mcthvi tel r-BLLtN l Ether ; 0 8 ND ND <br /> * TPF{ as gasoline is defined as C6 (benzene) through C12 (dodecane) and uses a <br /> molecular n clght of 100 to calculate the ppmv <br /> (V 102194 <br /> Page 5 <br />