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f - . <br /> Project Number: SFB-175-0204.72 <br /> Consultant Project Number: 203-175-3289 <br /> Contract Number: N46CWCO244-9-X � <br /> Facility Number: 9-0342 <br /> Work Order Number: D002239 <br /> Report Issue Date: February 22, 1990 <br /> f <br /> Table 3 <br /> SURROGATE COMPOUND RECOVERY <br /> Dibromochloropropane <br /> Ethylene Dibromide in Soil <br /> Modified EPA Method 504 <br /> Acceptability Limitsl 80 - 120% <br /> Expected Result, Surrogate Result, Surrogate F <br /> GTEL No. mg/Kg mg/Kg Recovery, <br /> 8lank 0.2 0.18 90 l <br /> 01 0.2 0.17 85 ? <br /> 02 0.2 0.19 95 t <br /> 03 0.2 0.19 95 <br /> 04 0.2 0.18 90 <br /> 04 DUP 0.2 0.19 95 <br /> MS 0.2 0.18 90 <br /> MS = Matrix Spike <br /> 1 = Acceptability limits are derived from the 99% confidence <br /> interval of all samples during the previous quarter. <br /> F <br /> r <br /> I' <br /> I <br /> . t. <br /> i <br /> GTEL Concord, CA Page 5 of 6 <br /> D002239.Doc <br /> GTE ,L <br /> LABORATORIES, INC. <br />