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Project Number: SFB-175-0204.72 <br /> Consultant Project Number: 203-175-32y�""q r <br /> Contract Number: N46CWCO22449-X <br /> Facility Number: 94)557 <br /> Work Order Number: D005279 <br /> Report Issue Date: May 21, 1990 <br /> Table 4c <br /> SURROGATE COMPOUND RECOVERY <br /> d4-1,2-Dichloroethane <br /> Purgeable Hydrocarbons in Soil <br /> EPA Method 8240 <br /> Recovery Acceptability Umitsl: 70 - 121 % <br /> Expected Result, Surrogate Result, Surrogate <br /> GTEL No. ug/L ug/L Recovery, % <br /> Water Blank 50 53 106 <br /> 01 50 56 112 <br /> 1 = Acceptability limits are derived from USEPA Contract Laboratory <br /> Program (CLP) requirements. <br /> i <br /> G'fEl Concord,CA Page 9 of 9 <br /> D005279.pOC <br /> MGTEL <br /> R <br /> LABORATORIES. INC. <br />