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Protect Number: 5F&175-0204 7 <br /> Consultant Project Number: 203-175.32A4- 1 <br /> Contract Number: N46CW00244-9-X <br /> Facility Number: 9-0557 <br /> Work Order Number: D005279 <br /> Report Issue Date. May 21, 1990 <br /> Table 3 <br /> INDEPENDENT QC CHECK SAMPLE RESULTS <br /> Purgeable Hydrocarbons in Soil <br /> EPA Method 8240 <br /> Date of Analysis: 03/29/90 <br /> Expected Result, Observed Result, Acceptability <br /> Analyte ug/L ugJL Recovery, % Limits, % <br /> Trichloroethylene 50 46 92 60-140 <br /> Carbon Tetrachloride 50 47 94 80-120 <br /> 1,1,1-Trichloroethane 50 48 96 60-140 <br /> 1,1,2 Trichloroethane 50 46 92 60-140 <br /> Vinyl Chloride 50 34 68 60-140 <br /> Benzene 50 45 90 60-140 <br /> 1,1-Dichloroethyiene 50 46 92 60-140 <br /> 1,2-Dichlorobenzene 50 45 90 60-140 <br /> Table 3a <br /> INDEPENDENT QC CHECK SAMPLE SOURCE <br /> Purgeable Hydrocarbons in Soil <br /> EPA Method 8240 <br /> Analyte Lot Number Source <br /> Trichloroethyiene 1.A19682 Purgeable A Supelco <br /> Carbon Tetrachloride LA19682 Purgeable A Supelco <br /> 1,1,1-Trichloroethane LA18769 Purgeable B Supelco <br /> 1,1,2 Trichloroethane LA18769 Purgeable B Supelco <br /> Vinyl Chloride LA20078 Purgeable C Supelco <br /> Benzene LA18769 Purgeable B Supelco <br /> 1,1-Dichloroethylene LA19682 Purgeable A Supelco <br /> 1,2-Dichloroben7ene LA19682 Purgeable A Supelco <br /> GTi=l-Concord,CA Page 6 of 9 S T E L <br /> DW5279.DOC <br /> ENVIRONMENTAL <br /> LABORATORIES, INC- <br />