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N.. <br /> is <br /> Project Number: SFS-175-8204.72 <br /> Consultant r?rofett Number: 203.175-3289 <br /> Contract Number: N66CWCQ2444X <br /> i Facility Number: 940.312 <br /> Wart Order Number: 15003888 <br /> M <br /> Report tasue Date: April 13,1690 <br /> Table 3 <br /> -- INDEPENDENT OC CHECK SAMPLE RESULTS <br /> Purgeable Aromatics and Total Petroleum Hydricarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> Date of Analysis: 04/02/90 <br /> Expected Result, Observed Result. Acceptability <br /> Analyte ug/L ug/L Recovery.% LimKs,% <br /> Benzene 50 _ 51 102 85-115 p <br /> .� Toluene 50 47 94 85-115 <br /> Ethyibenzene 50 47 94 85-115 <br /> Xylene(total) 150 143 95 85-115 <br /> Aw <br /> Table 3a <br /> INDEPENDENT OC CHECK SAMPLE SOURCE <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> I" EPA Method 8020/8015 <br /> Analyte Lot Number Source <br /> Benzene LA18042 SUPELCO <br /> Toluene LA18042 SUPELCO <br /> Ethylbenzene LA18042 SUPELCO <br /> X ene(total) LA18042 SUPELCO <br /> MW <br /> r >w <br /> GTt_t.Concord,CA Page 6 of 8 <br /> D003898.DOG <br /> F. IkV.1tahMINIAL <br /> IA60RA101i1S INC <br />