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� 4 <br /> + 110 2nd Avenue South 4D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. p <br /> Tete hone 925-798 1620 Fax 925-798-1622 <br /> N <br /> IWebsite www mccampbell corn E-rrnil mam@mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> I <br /> Matrix W WorkOrder 0405315 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 11608 Spiked Sample ID 0405334-002B <br /> Sample Spiked MS* MSD* IMS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria <br />' pgIL pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> tent-Amyl methyl ether(TAME) ND t0 949 915 366 884 904 222 70 130 <br />' Benzene ND l0 117 114 313 109 111 168 70 130 <br /> t-Butyl alcohol(TBA) ND 50 963 886 825 894 898 1 52 70 1 130 <br /> Chlorobenzene ND t0 108 106 183 101 102 101 70 130 <br />' 1,2-Dibromoethane(EDB) ND 10 110 109 1 16 102 105 266 70 130 <br /> 1 2-Dichloroethane(1,2-DCA) AID 10 121 117 321 113 116 3 16 70 130 <br />' 1,1-Dichloroethene ND t0 849 827 267 81 801 108 70 130 <br /> Dusopropyl ether(DIPE) ND 10 127 122 375 119 120 0 709 70 130 <br />' Ethyl tert-butyl ether(ETBE) ND 10 110 105 4 11 103 105 1 37 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 106 101 404 96 999 401 70 130 <br /> Toluene ND 10 118 118 0 112 112 0 70 130 <br /> Trichloroethene ND 10 863 836 3 19 804 809 0 564 70 130 <br /> %SSI 97 710 997 98 2 1 52 98 6 972 1 36 70 130 <br />' All target Lampounds 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 /> %Recovery=100*(MS-Sample)!(Amount Spiked),RPD=100'(M5- MSD)I((MS+MSD)12) <br />' •MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contasns significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes mth spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br />' analyte content <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 1 L— QA/QC Officer <br />