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1 10 2nd Avenue South,kD7 Pacheco CA 94553-5560 <br /> Mr-Campbell Analytical Inc Telephone 925 798 1620 Fax 925-798-1622�4 <br />' lutp 1/www mccamphell com Email mam(re7,mccampbeli com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I - <br /> BatChID 2460 Matrix W WorkOrder 0206243 <br />' EPA Method SW8260B Extraction SW5030B Ext Date 6/14102 Spiked Sample ID NIA <br /> Sample Spiked MS* MSD* ,MS-MSD* LCS LCSD ILCS-LCSDjAcceptance Criteria(%) <br /> Compound <br />' pg/L pglL % Rec %Rec % RPD % Rec %Rec I %RPD ; Law High <br /> Dusopropylether(DIFE) N/A 10 N/A N/A NIA j 105 120 13 70 130 <br />' Ethyl tert-butyl ether(ETBE) N/A 10 NIA NIA NIA 104 118 12 ' 70 130 <br /> Methyl-t-butyl ether(MTBE) N/A 10 N/A NIA N/A 944 108 E 13 70 130 <br /> tert-Amyl methyl ether(TAME) N/A 10 NIA NIA N/A 979 112 13 70 130 <br />' %SS N/A 10 N/A N/A NIA 105 i05 0 58 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 -- <br /> 1i <br /> 1 <br /> MS=Matnx Spike MSD=Matnx Spike Duphcate LCS=Laboratory Control Sample LCSD=Laboralory Control Sample Duplicate RPD=Relabve Percent <br /> Deviation ` <br /> NIA=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br />' %Recovery=100•(MS Sample)I(Amount Spiked) RPD=100"(MS—MSD)/(MS*MSD)'2 <br /> *MS and 1 or MSD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br /> 1 <br />