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' 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> • McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> http//www mccampbell com E-mail mal u(,rnccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WOrkOrder 0207112 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 2863 Spiked Sample ID 0207112-001B <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria N <br /> Compound __ <br /> ' NglL i Ng1L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tort-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 0 534 117 121 335 70 130 <br /> ' Dusopropyl ether(DIPE) ND 10 129 129 0 150 129 125 325 70 130 <br /> Ethyl tert-butyl ether(ETBE)_ ND 10 129 130 0 626 129 130 0 793 70 130 <br /> ' %SSI 107 T <br /> 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 with the following exceptions <br /> ' NONE <br /> 1 <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR M analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> ' %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)'2 <br /> •MS and/or MSD spike recoveries may not be near 100%or the RPDs neat 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 />