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110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> McCamphell Analytical, Inc. Telephone 925-798-1620 Fax 925-798 1622 <br /> Website www mccampbell coin E mail tnam@nxcantpbell corn <br /> . QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0405340 - <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11630 Spiked Sample ID 0405353-002B <br /> Sample Spiked MS* MSD" MS-MSD" LCs LCSD �LCS-LCSD Acceptance Criteria{%) <br /> pgIL lig/L %Rec %Rec %RPD %Rec % Rec °/a RPD Low z High <br /> tert-Amyl methyl ether(TAME) ND 10 936 100 700 959 886 789 70 130 <br /> Benzene ND 10 107 108 0 929 102 982 389 70 130 <br /> t-Butyl alcohol(TBA) ND 50 948 113 178 111 944 159 70 130 <br /> Chlorobenzene ND 1 D 106 103 226 996 965 3 12 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 111 115 390 114 105 775 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 119 122 228 119 112 637 70 I 130 - <br /> 1,1-Dichloroethene ND 10 763 745 2 41 73 3 72 2 1 51P70 <br /> 0 130 <br /> Dusopropyl ether(DIPE) ND 11) 117 123 544 113 107 567 <br /> 130 <br /> Ethyl tert-butyl ether(ETRE) ND 1 y 105 ill 579 106 977 789 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 102 111 8 11 106 95 8 101 70 130 <br /> Toluene ND 10 11 lu 107 325 104 103 0 894 70 I 130 <br /> Trichloroethene ND 10 924 81 9 0 618 796 766 383 70 130 <br /> %SS1 99 8 1 D 102 106 4 67 105 101 4 12 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 /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS =Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) ROD=100*(MS- MSD)I QMS+MSD)12) <br /> *MS and 1 or MSD spike recoveries may not be near I a0%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> i analyte relative to the amount spiked or b)if that specnic sample malnx interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and malnx 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 matrix or <br /> analyte content <br /> 11-aboratory extraction solvents such as methylene chlor +e and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />