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0.' <br /> i. <br /> Project Number: SFS 1 <br /> 75 p2t)y,72 <br /> Consultant Project Number. 1ti00.250.044 <br /> " Contract Number: ,a C VCO244-9,X <br /> FadrWork Order Number. CO 8524 <br /> #' Report issue Date: September 27,1990 <br /> f Table 5 <br /> MATRIX SPIKE(MS)AND MATRIX SPIKE DUPLICATE(MSD) RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD)REPORT <br /> r; <br /> t. <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> 3:a <br /> EPA Method 8020/8015 <br /> F_ t Date of Analysis: 09/24/90 Client 10: 6-ABC <br /> Sample Used: C009524-06 Units: mg/Kg <br /> t: <br /> l <br /> ASample ConcentrationMSD,nalyte Result Added MS Result 96 <br /> Recovery MSD Recovery <br /> r Result <br /> [ Benzene <0.005 2.86 <br /> 2.38 83 2.37 83 <br /> Toluene <0.005 2.86 2.45 86 2.45 <br /> 86 <br /> Ethylberuene <0.005 2.86 2.43 85 2.40 84 <br /> Xylene(total) <0.015 8.56 <br /> 7-i4 83 7.1$ 84 <br /> �rs <br /> Analyte RPD,% Maximum RPD,% Acceptability Umitsl <br /> %Recovery <br /> l Benzene 0 30 <br /> 50-tt2 <br /> Toluene 0 30 50-108 <br /> r: Ethylbenzene 1 30 50-1 13 <br /> Xylene(total) 1 30 <br /> 50-114 <br /> <# = Not Detected at the Indicated detection limit <br /> Acceptability limits are derived from the 99%confidence interval of all samples during the <br /> previous quarter. <br /> r t'k <br /> Ina <br /> 7. <br /> i GTEI_Concord,CA Page 7 of 7 <br /> C009524.DOC <br /> GTE <br /> ( ENYI RO N M(N S AE <br /> i r - :AJORATORIES. INC. - <br />