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Project Number: SFB-175-0204.72 <br /> Consultant Project Number: 203-175-3291 <br /> Contract Number: N46CWCD244-9-X <br /> Facility Number 9.0557 <br /> Word Order Number: DOD4140 <br /> Report Issue Date? April 10, 1990 <br /> Table 4 <br /> MATRIX SPIKE (MS) RECOVERY REPORT <br /> Total Petroleum Hydrocarbons as Gasoline, Diesel, and Waste Oil in Soil <br /> Modified EPA Method 8015 <br /> Date of Analysis: 04/09/90 Client ID: WO-1 <br /> Sample Spiked: 01 Units: mg/Kg <br /> Sample Amount Expected MS, % Acceptability <br /> Analyte Result Added Result MS Result Recovery limits, %1 <br /> Diesel <10 500 500 487 97 63 - 127 <br /> 1 = Acceptability limits are derived from the 99%confidence interval of all samples during the previous <br /> quarter. <br /> <# = Not detected at the Indicated detection limit. <br /> Table 5 <br /> LABORATORY DUPLICATE SAMPLE RESULTS <br /> AND RELATIVE PERCENT DIFFERENCE (RPD) REPORT <br /> Total Petroleum Hydrocarbons as Gasoline, Diesel, and Waste Oil in Soil <br /> Modified EPA Method 8015 <br /> Date of Analysis: 04/09/90 Client ID: WO-1 <br /> Sample Used: 01 Units: mg/Kg <br /> Maximum <br /> Analyte Sample Result Duplicate Result RPD, % RPD, % <br /> Gasoline <10 <10 NA 30 <br /> Diesel <10 <10 NA 30 <br /> Waste Oil <100 <100 NA 30 <br /> NA = Not applicable <br /> GTEL Concord,CAA Page 5 of 5 <br /> 13004140.DOC MGTEL <br /> R <br /> 1ABORATORIES. INC <br />