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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> L4c&3 pbell Ariayt1Ci31 Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> htip 'www mccampbell com F mati main(Dmcrampbell com <br /> i <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0210536 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 4675 Spiked Sample ID 0210557-006B <br /> Compound Sample Spiked MS* MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> Dusopropyl ether(DIPS) ND 10 116 121 3 73 113 114 0 808 70 130 <br /> Ethyl tert butyl ether(ETBE) ND 10 113 115 176 111 112 1 05 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 107 l 1 1 299 114 111 209 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 110 113 260 112 1 l 1 1 11 70 130 <br /> Methanol ND 2500 80 1 956 176 996 122 200 70 130 <br /> Ethanol ND 500 839 97 145 l00 121 184 70 130 <br /> 1 2-Dibromoethane(EDB) ND t0 999 105 46 105 105 0 327 I 70— 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 109 Ill 1 72 103 103 00806 70 130 <br /> %SS Ill 100 107 105 203 108 106 1 78 70 130 <br /> All target compounds in the Method Blank oPthis extraction batch were ND less than the method RL with the Following exceptions <br /> NONE <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=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)/(Amount Spiked) RPD=100*(MS–MSD)/(MS;MSD)*2 <br /> *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%rt 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 />