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I 10 2nd Avenue SuW9D7,Pacheco,CA 945 53-5 560 cCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 Website:www.mccampbell.com E-mail:main(cinccarnpbell.com QC SUMMARY REPORT FOR SW8260B Matrix: S WorkOrder: 0404100 EPA Method: SW82608 Extraction: SW5030B BatchlD:11056 Spiked Sample ID: 0404098-001A Sample Spiked MS* MSO* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) Ng/Kg Ng/Kg %Rec. %Rec. I %RPD %Rec. %Rec. %RPD Low i High tert-Amyl methyl ether(TAME) ND 50 94.8 95.1 0.273 88.9 87.5 1.65 70 130 Benzene ND 50 106 107 0.904 113 111 2.25 70 f 130 t-Butyl alcohol(TBA) ND 250 91.3 93 1.82 85.9 84.6 1.51 70 130 Chlorobenzene ND 50 108 108 0 112 112 0 70 1.30 -- --- -..- - -------- 1,2-Dibromoethane(EDB) ND 50 120 119 0.695 113 112 1.08 70 130 1,2-Dichloroethane(1,2-DCA) ND 50 103 102 0.382 96.5 94 2.68 70 130 1,1-Dtchloroethene ND 50 96.7 103 5.88 114 ill 3.01 70 130 Diisopropyl ether(DIPE) ND 50 78.2 80.2 2.49 81.7 80.7 ; 1.18 70 130 Ethyl tert-butyl ether(ETBE) ND 50 84.1 85 1.12 85 82.9 2.55 70 130 Methyl-t-butyl ether(MTBE) ND 50 r82.9 90.6 0.188 86.6 83.1 j 4.17 70 130 Toluene ND 50 102 0 114 111 1 2.62 70 130 Trichloroethene ND 50 83.6 0.841 90.4 88.8 1.78 70 130 i %SS 1: 82.2 50 102 102 0 98.5 97.3 1 1.27 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 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 a MSD)/2). *MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if:a)the sample is inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)if that specific sande matrix interferes with 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. 4 Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels. DHS Certification No. 1644 QA/QC Officer