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04/09/2012 04:08 #6212 P.014/016 1534 Willow Paas Road.Pittsburg,CA 94565-77(11 MCCampbell Ancilytical Inc Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 F "When Quality Counts" htip;//www.mccarapbell.com/E-mail:main@mccampbell.com QC SUMMARY REPORT FOR SW8260B W.O.Sample Matrix: Water QC Matrix: Water BatchlD:65741 WorkOrder: 1203319 EPA Method: SWO260B Extraction: SW5030B Spiked Sample ID: 1203344-001E Analyte Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(%) pg/L pg/L %Rec. %Rec. %RPD %Rec. MS/MSD APD LCS tert-Amyl methyl ether(TAME) ND 10 112 112 0 99.9 70-130 20 70-130 Benzene ND 10 103 99.9 2.98 95.9 70-130 20 70-130 t-ButyE alcohol(TBA) ND 40 113 117 3.39 92.8 70-130 20 70-130 Chlorobenzene ND 10 100 97.5 2.63 96.4 70-130 20 70-130 1,2-Dibromoethane(EDB) ND 10 99.9 101 0.857 90.9 70-130 20 70-130 1;2-Dichloroethane(1,2-DCA) ND 10 106 104 2.06 92.5 70-1-30 20 70-130 1,1-Dichloroethene ND 10 98.4 94.5 4.02 92.1 70-130 20 70-130 Diisopropyl ether(D1PE) ND 10 103 102 1.00 94.4 70-130 20 70-130 Ethyl Cert-butyl ether(ETRE) ND 10 109 108 0.873 98.1 70-130 20 1 70-130 Methyl-t-butyl ether(MTBE) ND 10 109 109 0 94.3 70-130 20 70-130 Toluene ND 10 95.7 92.5 3.34 94.3 70-130 20 tj 70-130 Trichloroethene ND 10 111 106 4.42 102 70-130 20 q 70-130 %SS1: 102 25 109 108 1.39 102 70-130 20 70-130 %oSS2: 101 25 99 99 0 102 70-130 20 70-130 `1 %SS3: 95 2.5 94 97 3S0 1 96 70-_130 20 70 130 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: NONE BATCH 65741 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 1203319-001C 03/10/12 03/13/12 03/13/12 7:58 PM MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LC5D=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. #surrogate diluted out of range or coelutes with another peak:&)low surrogate due to matrix interference. 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 Page i 0 of 12