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r z <br /> , <br /> Project Number: SF6.175-0204.72 <br /> y � Consultant Project Number, 76000.250-044 <br /> Contract Number; N46CWCO244.9-X <br /> [ FacHity Number. 96118 <br /> Work Order Number: C008824 <br /> Report Issue Date: August 27,1990 <br /> l Table 5 <br /> MATRIX SPIKE(MS)AND MATRIX SPIKE DUPLICATE(MSD) RECOVERY <br /> AND RELATIVE PERCENT DIFFERENCE(RPD) REPORT <br /> k PUrgeabie Aromatics and Total Petroleum Hydrocarbons <br /> ' as Gasoline in Soil <br /> EPA Method 8020/8015 <br /> F-� <br /> i <br /> h l ' Date of Analysis: 08/24/90 Client ID: COMP 6 <br /> Sample Used: C008641-06 Units: mg/Kg <br /> r,n <br /> sa Sarnpie Concentration MS, °/, MSD, 95 <br /> Analyte Result Added MS Re"ult Recovery MSD Recovery ry <br /> Benzene <0.005 2.86 2.57 93 2.74 96 <br /> kr❑ <br /> Toluene <0.005 2.86 2.81 98 2.92 102 <br /> F Ethylbenzene <0.005 2.85 2.84 99 2.97 104 <br /> i:o i`� X ene tptal► <0.015 8.58 8.60 100 9.00 105 <br /> e»r <br /> Analyte RPD,% Acceptability Limitsl <br /> Maximum RPD,% Recovery - <br /> Benzene 3 30 50-112 <br /> it Toluene 4 30 <br /> 50-1108 <br /> Ethylbenzene 5 30 50-113 <br /> u Xylene(total) 530 <br /> 50-1144 <br /> 0 fi4 <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 /> GTEL Cciecrd.CA Page 7 of 7 <br /> C68624,CCC <br /> ' GTE L <br /> F VI POHSI94 1 L <br /> ; ® LAgov♦;ORJI3, ;NC <br />