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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 /> rhttp//www mecamnbeli com E-marl mainQn campbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> r <br /> Matrix W WorkOrder 0303275 <br /> rEPA Method SW8260B Extraction SW50308 BatchlD 6215 Spiked Sample ID 0303275-013C <br /> Sample <br /> ompound Spiked MS- MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> r C <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(DIPE) ND 10 119 119 0 421 121 124 243 70 130 <br /> rEthyl tert-butyl ether(ETBE) ND 10 107 105 270 108 110 198 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 115 111 284 112 114 130 70 130 <br /> r tert-Amyl methyl ether(TAME) ND 10 107 102 438 101 103 161 70 130 <br /> Methanol ND 2500 106 102 419 929 103 106 70 130 <br /> Ethanol ND 500 892 105 167 111 112 0 680 70 130 <br /> r1,2-Dibromoethane(EDB) ND 10 117 1 l 1 472 103 105 165 70 130 <br /> 12-Dichloroethane(1,2-DCA) ND 10 115 109 570 116 123 592 70 130 <br /> r %SS 103 100 104 103 101 104 103 0 777 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 /> r � <br /> NONE <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r 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=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 /> r analyte content <br /> %Recovery=100-(MS-Sample)I(Amount Spiked),RPD=104•(MS—MSD)I(NIS+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> ranalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />