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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCampbell Analytical, Inc. <br /> Web:www.mccainpbell.com E-mail:main(tomccampbell.com <br /> "When Oualitv Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8260B <br /> W.O.Sample Matrix: Water QC Matrix: Water BatchlD: 39884 WorkOrder 0811802 <br /> EPA Method SW8260B Extraction SW5030B Spiked Sample ID: 0811760-004B <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> tert-Am I methyl ether(TAME) ND 10 91.2 91.1 0.0900 123 122 0.153 70- 130 30 70- 130 30 <br /> Benzene ND 10 97.3 98.2 0.901 119 121 1.38 70- 130 30 70- 130 30 <br /> t-Butyl alcohol(TBA) ND 50 87 89 2.24 105 106 0.575 70- 130 30 70- 130 30 <br /> Chlorobenzene ND 10 103 103 0 117 117 0 70- 130 30 70- 130 30 <br /> 1,2-Dibromoethane(EDB) ND 10 106 109 2.19 118 119 0.223 70- 130 30 70- 130 30 <br /> 1,2-Dichloroethane 1,2-DCA) ND t0 104 105 0.759 120 122 1.90 70- 130 30 70- 130 30 <br /> IJ-Dichloroethene ND 10 71.4 71.6 0.260 93.3 94.7 1.41 70- 130 30 70- 130 30 <br /> Diiso ro i ether(DIPE) ND 10 93.4 95.2 1.90 1 1 1 113 1.79 70- 130 30 70- 130 30 <br /> Ethyl tert-butyl ether(ETBE) ND 10 101 101 0 115 117 1.32 70- 130 30 70- 130 30 <br /> Methyl-t-butyl ether(MTBE) ND 10 88.6 91 2.61 114 114 0 70- 130 30 70- 130 30 <br /> Toluene ND 10 107 110 3.34 121 121 0 70- 130 30 70- 130 30 <br /> Trichloroethene ND 10 108 112 3.12 126 126 0 70- 130 30 70- 130 30 <br /> %SSI: 93 25 91 92 1.18 98 98 0 70- 130 30 70- 130 30 <br /> %SS2: 79 25 82 81 0.925 93 91 1.23 70- 130 30 70- 130 30 <br /> %SS3: 78 2.5 71 73 1 1.94 101103 1.73 70- 130 30 1 70- 130 30 <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 /> BATCH 39884 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0811802-001 B 11/20/08 9:00 AM 12/02/08 12/02/08 3:09 PM 0811802-002B 11/24/08 4:40 PM 12/02/08 12/02/08 3:54 PM <br /> 0811802-003B 11/24/08 11:00 AM 12/01/08 12/01/08 9:49 PM 0811802-004B 11/24/08 3:00 PM 12/02/08 12/02/08 5:20 PM <br /> 0811802-005B 11/24/08 1:00 PM 12/02/08 12/02/08 6:03 PM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). <br /> 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 <br /> contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <br /> 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. <br /> Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels. <br /> DHS ELAP Certification 1644 J2— QA/QC Officer <br />