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COLUMBIA ANALYTICAL SERVICES, INC <br /> I <br /> Analvticai Report <br /> Client ARCO Products Comp.un Sci-viLe Request S9700500 <br /> PrulcLt ?130 STOCKTON/20805-1 14 008/T0#20791 00 Date CUIIt'Lted NA <br /> SMI)IL Matin \ir Date Rt'Lev,etl. NA <br /> Date Extr.ttted: NA <br /> Date AR.IIVZLII. 3/2I/97 <br /> BTEX dnd Total Volatile Hvdrocdrbons <br /> EPA Methods 5030/8020/Modified 8015 <br /> Sample Name Method Blink <br /> Lab Code S970012 -VB <br /> MRLti Results <br /> ing/m3 uL/L(ppmv) mg/m3 UL/L (ppmv) <br /> Benzene 04 0 t ND ND <br /> Toluene 04 0 1 ND ND <br /> Etlhvibenzene 01 01 ND ND <br /> Xylenes Total 09 0 2 ND ND <br /> Total Volatile HNdrocarbons <br /> Cl -05 t2 5 ND ND <br /> CG-C12 20 i ND ND <br /> TPH as Gasoline" 20 5 ND ND <br /> * TPH as gasoline is defined as CG (benzene) through C12 (dodecane) and uses a <br /> molecular neigh of 100 to calcUldte the ppmv <br /> Lc viaxina <br /> Q700500\L1 AJ1W11\_i i I I " <br /> Page No <br />