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1]0 2nd Avenue South It07 Pacheco CA 94553-5560 <br /> McCampbeli Analytical Inc Telephone 925-796-1620 Fax 925-798-1622 <br /> httpJlwww mecampbell cam E-mail main@mccanipbellcom <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303483 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 6350 Spiked Sample ID 0303476-0140 <br /> Sample Spiked MS* j MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Dnsopropyl ether(RIPE) ND 10 106 108 168 121 120 0 613 70 130 <br />' Ethyl tent-butyl ether(ETBE) ND 10 101 102 122 111 110 0 697 70 130 <br /> Methyl-t-butyl ether(MTBE) ND l0 119 122 185 115 113 241 70 130 <br />' tert-Amyl methyl ether(TAME) ND l0 102 101 1 12 111 112 0 688 70 130 <br /> 1,2-Dibromoethane(EDB) ND l0 129 124 321 117 116 0 479 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 113 112 0 236 113 113 0 325 70 130 <br /> %SS ND 100 978 988 0 994 881 872 101 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 />' MS=Matrix Spike MSD=Matrix 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 diluted due to high matrix or <br />' analyte content <br /> %Recovery=100.(MS-Sample)I(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)"2 <br /> "MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample Is inhomogenous AND contains significant concentrations of <br />' analyte retative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />