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WR <br /> ME <br /> • � �` '�T L4r•^a+- �'�C'.� <br /> .r <br /> �r <br /> a <br /> Project Number: SF�17"204.72 <br /> Ccnsuhant Protect Number. 203-1753289 <br /> Contract Number: N46CIArX44-94 <br /> Facility Number: 9-0342 <br /> WOrbOrder Number, D003898 <br /> Report Issue Date: April 13,1990 <br /> Table 5 <br /> MATRIX SPIKE(MS)AND MATRIX SPIKE DUPLICATE(MSD) RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD)REPORT <br /> Purgeable Aromatics and Total Petroteum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> b Date of Analysts: 04,110/90 Client ID: B-8 <br /> Sample Used: D00389M8 Units: mg/Kg <br /> Samn!e Concentratio MS, 96 MSD, 96 <br />` Analyte Result n Added MS Result Recovery MSD Recovery <br /> Result <br /> Benzene <0.005 2.86 2.98 104 2.68 94 <br /> Toluene <0.005 2.86 3.05 1 107 2,94 103 <br /> Ethylbenzene <0.005 2.86 2.87 100 26 91 <br /> <0,o15 8.58 8.61 i00 7.79 91 <br /> Acceptability Llmltsl <br /> Analyte RPD,% Maximum RPD,% %Recovery <br /> Benzene 10 30 50-112 <br /> Toluene 4 30 50-108 <br /> Ethylbenzene 9 30 50-113 <br /> X ene(total) 9 30 50-114 <br /> <# = Not Detected at the indicated detection limit <br /> i W Acceptability limits are derived from the*390,b confidence interval of all samples during the pre- <br /> vious quarter. <br /> ' GTEL Concord,CA ?age a of e <br /> D003898.DOC T E L <br /> - - FH V I R O Hu E M I At <br /> _ ttl� IAd ORATORIES- INC <br />