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M C C a m bell n a l y a l, I n C. 1534 Willow Pass Road,F -g,CA 94565-1701 Toll Free Telephone.(877)25:. 2/Fax:(925)252-9269 "When Oua/ity Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com QC SUMMARY REPORT FOR SW8260B VJ O. Sample Matrix: Soil QC Matrix: Soil BatchlD: 62169 WorkOrder: 1110709 EPA Method: SW8260B Extraction: SW5030B Spiked Sample ID: 1110752-001A Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) mg/Kg mg/Kg %Rec. %Rec. % RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD tert-Amyl methyl ether(TAME) ND 0.050 97.7 97.3 0.315 99.2 98.3 0.905 70-130 30 70-130 30 Benzene ND 0.050 116 113 2.29 112 115 2.78 70-130 30 70- 130 30 t-Butyl alcohol(TBA) ND 0.25 101 102 1.34 106 104 1.25 70-130 30 70-130 30 Chlorobenzene ND 0.050 114 113 0.999 112 113 0.817 70-130 30 70- 130 30 1,2-Dibromoethane(EDB) ND 0.050 106 106 0 106 106 0 70-130 30 70-130 30 1,2-Dichloroethane(1,2-DCA) ND 0.050 121 120 1.19 120 120 0 70-130 30 70-130 30 1,1-Dichloroethene ND 0.050 90.4 89.6 0.891 82.5 88.6 7.21 70-130 30 70-130 30 Diisopropyl ether(DIPE) ND 0.050 118 118 0 116 117 1.39 70-130 30 70-130 30 Ethyl cert-butyl ether(ETBE) ND 0.050 104 103 0.673 104 104 0 70-130 30 70-130 30 Methyl-t-butyl ether(MTBE) ND 0.050 118 118 0 120 118 1.48 70-130 30 70-130 30 Toluene ND 0.050 124 122 1.52 121 124 2.60 70-130 30 70-130 30 Trichloroethene ND 0.050 1 118 115 2.37 107 112 4.15 70-130 30 70-130 30 %SS 1: 112 0.12 111 110 0.505 113 111 1.48 70-130 30 70-130 30 %SS2: 115 0.12 120 120 0 120 120 0 70-130 30 70-130 30 %SS3: 111 0.012 115 117 1.64 121 116 4.81 70-130 30 70-130 L 30 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: NONE BATCH 62169 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 1110709-004A 10/22/11 7:00 PM 10/25/11 10/28/11 12:09 AM I MS=Matrix Spike,MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. N/A=not enough sample to perform matrix spike and matrix spike duplicate. 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 analyte content. Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels. DHS ELAP Certification 1644 - QA/QC Officer