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I 10 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCarnpbell Analytical Inc Telephone 925-7981620 Fax 925 798-1622 <br /> ' Imp llwww mccamphell cam E-mail mem q+imccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> 1 <br /> Matnx W Workorder 0207115 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 2863 Spiked Sample ID 0207112-001B <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptanoe Cnteria(%) <br /> Compound <br /> ' Ng/L pg/L % Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> telt-Amyl methyl ether(TAME) ND 10 121 120 0 684 121 123 2 17 70 130 <br /> ' Methyl-t-butyl ether(MTBE) ND 10 119 119 0 534 117 121 3 35 70 130 <br /> Diisopropyl ether(D]PE) ND 10 129 129 0 150 129 125 3 25 70 130 <br /> Ethyl tet t-butyl ether(ETBE) ND l0 129 130 0 626 129 130 0 793 70 <br /> '%ISS] 107 100 106 107 0 119 102 103 0 800 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL wsth the following exceptions <br /> NONE <br /> 1 <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample dituted due to high matrix or <br /> analyte content <br /> %Recovery=100*(MS-Sample)/(Amount Spiked) RPD=100*(MS—MSD)1(MS+MSD)*2 <br /> *MS and 1 or MSD spike recoveries 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 matrix interferes with spike recovery _ <br />