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McCampbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 it Web:www.mccampbell.com E-mail:main(Umccampbell.com "WhenOualitvCounts" Telephone:877-252-9262 Fax:925-252-9269 QC SUMMARY REPORT FOR SW8260B W.O.Sample Matrix: Soil QC Matrix: Soil BatchlD: 39918 WorkOrder 0811805 EPA Method SW8260B Extraction SW5030B Spiked Sample ID: 0811800-001A Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) Analyte mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD tert-Am I methyl ether(TAME) ND 0.050 76.8 78.1 1.65 76.5 79.7 4.07 60- 130 30 60- 130 30 Benzene ND 0.050 105 109 3.35 103 104 1.59 60- 130 30 60- 130 30 t-Butyl alcohol(TBA) ND 0.25 88.2 95.3 7.73 83.1 85 2.27 60- 130 30 60- 130 30 Chlorobenzene ND 0.050 101 103 1.72 91 93.7 2.98 60- 130 30 60- 130 30 1,2-Dibromoethane(EDB) ND 0.050 97 99.7 2.83 85.9 89.6 4.22 60- 130 30 60- 130 30 1,2-Dichloroethane(1,2-DCA) ND 0.050 99.3 101 2.17 98.3 98.6 0.238 60- 130 30 60- 130 30 1,1-Dichloroethene ND 0.050 84.8 86.8 2.38 96.4 97.1 0.671 60- 130 30 60- 130 30 Diiso ro 1 ether(DIPE) ND 0.050 101 103 2.18 96.5 99.8 3.30 60- 130 30 60- 130 30 Ethyl cert-butyl ether(ETBE) ND 0.050 101 104 2.19 99.6 102 2.26 60- 130 30 60- 130 30 Methyl-t-butyl ether(MTBE) ND 0.050 92.5 94.5 2.14 88.7 89.9 1.34 60- 130 30 60- 130 30 Toluene ND 0.050 116 119 2.63 108 113 4.22 60- 130 30 60- 130 30 Trichloroethene ND 0.050 106 112 5.20 96.2 95.7 0.535 60- 130 30 60- 130 30 %SSI: 92 0.12 88 88 0 95 95 0 1 70- 130 30 70- 130 30 %SS2: 87 0.12 87 86 0.442 91 91 0 70- 130 30 1 70- 130 30 %SS3: 80 0.012 85 84 1.48 77 75 2.17 70- 130 30 1 70- 130 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 39918 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 0811805-027A 11/24/08 10:20 AM 11/25/08 12/01/08 11:42 PM 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