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Lx <br /> Project Number. 5FE3-175-02D4.72 <br /> l Cnnsultan:Project Number. 16000-250-044 <br /> Contract Number. N46CWCO2444-X <br /> Facility Number. 9-6155 <br /> Work Order Number: 0008737 <br /> Report Issue Data: August 31,1490 <br /> Table 5 <br /> MATRIX ASPIKE <br /> RELAT VE PERCENT DIFFERENCE(RPAND MATX SPIKE DUPLICATED RECOVERY <br /> REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> _. Date of Analysis: 08/28/94 Client ID: 6 A S,C <br /> Sample Used: 0008737-02 Units: mg/Kg <br /> Sample Concentration his, °6 MSD, °6 <br /> Analyte Result Added MS Result Recovery Result Recovery <br /> Benzene <0.005 2.86 1.96 69 2.14 75 <br /> Toluene 0.02 2.86 1.98 69 2.16 76 <br /> ~ Ethylbt nzene <0.005 2.86 2.42 71 2.24 77 <br /> X ene totall8.58 6.14 72 6.68 78 <br /> Acceptability Limits'! <br /> Analyte RPD,% Maximum RPD,°b Recovery <br /> Benzene 8 30 54-112 <br /> Toluene 10 30 50-108 <br /> Ethyfbenzene 8 30 50-113 <br /> Xyfene(total) 8 3D 50-114 <br /> <# = <br /> Not Detected at the indicated detection limit <br /> 1 = Acceptability limits are derived from the 99%confidence interval of all samples during the previous <br /> quarter. <br /> U <br /> G,EL Concord.CA Paye 7 of 7 <br /> ,a.. COD8737.DOC _ <br /> G _ <br />