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Project Number: 5FB-175-0204.72 <br /> Consultant Project Number: 16000-250.044 <br /> Contract Number: N46CWCO244-9-X <br /> Facility Numner., 9.6155 <br /> r Work Order Number: 0010846 <br /> Report wuue Cate: November 8,1990 <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> 6 <br /> I Naphthalene <br /> Purgeabie Aromatics and Total Petroleum Hydrocarbons <br /> 1> as Gasoline In Soil <br /> EPA Method 8020/8015 <br /> Acceptability Limits': 60-130 % <br /> g <br /> Expected Result, Surrogate Result, Surrogate <br /> GTEL No. ug/L ug/L Recovery,% <br /> Water Blank 200 134. 67 <br /> McOH Blank 200 242 121 <br /> 01 200 246 123 <br /> lois 2(;0 201 100 <br /> MSD 200 251 125 <br /> a � , <br /> MS = Matrix Spike <br /> t1 MSD = Matrix Spike Duplicate <br /> 1 = Acceptability limits are derived from the 99%confidence interval <br /> of all samples during the previous quarter. <br /> L. <br /> US <br /> 1t <br /> GTEL Concord,CA Page 6 cf 7 <br /> C010846.00G <br /> T E <br /> I <br /> "by ENVIA O h 4 EN 1 A L <br /> LARORATORIE5. INC - - <br />