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McCamobell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> a. Web:www.mccampbell.com E-mail:main@mccampbell.com <br /> "When Duality Counts., Telephone:877-252-9262 Fax:925-252-9269 <br /> _ QC SUMMARY REPORT FOR SW8260B <br /> W.O.Sample Matrix: Water OC Matrix: Water WorkOrder 0712441 <br /> tr EPA Method SW8260B Extraction SW5030B BatchlD: 32540 Spiked Sample 10: 0712434.002A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ` pg/L pg/L azo Re0. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> tett-Am 1 methyl ether TAME ND 10 102 104 1.97 94.9 95.9 1.12 70- 130 30 70- 130 30 <br /> Benzene ND 10 116 120 3.44 108 109 0.863 70- 130 30 70- 130 30 <br /> t-Butyl alcohol(TBA) ND 50 73.5 76.8 4.34 77.2 76.6 0.813 70- 130 30 70- 130 30 <br /> Chlorobenzene ND 10 1 127 125 1.55 121 123 1.27 70- 130 30 70- 130 30 <br /> 1,2-Dibromoethane EDB ND 10 114 104 8.44 1 91.3 93.4 2.28 70- 130 30 70- 130 30 <br /> 1,2-Dichlomethane 1,2-DCA) ND 10 94.5 97 2.69 86.1 85.5 0.738 70- 130 30 70- 130 30 <br /> 1,1-Dichlomethene ND 10 81.9 81.1 1.05 96.3 96.1 0.147 70- 130 30 70- 130 30 <br /> Diisopropyl ether(DIPE) ND 10 107 109 1.87 95.3 96.8 1.58 70- 130 30 70- 130 30 <br /> Ethyl tett-butyl ether(FTSE) ND 10 97.7 97.4 0.247 87.1 88.9 2.04 70- 130 30 70- 130 30 <br /> Methyl-t-butyl ether(MTBE) ND 10 97.3 92.5 4.98 84.2 85.4 1.48 70- 130 30 70- 130 30 <br /> ` Toluene ND 10 1 108 1 104 1 3.49 96.4 98.3 1.97 70- 130 30 70- 130 30 <br /> Trichloroethene ND 10 106 106 0 95 95.1 0.126 70- 130 1 30 1 70- 130 30 <br /> %SSI: 106 10 93 92 0.900 95 93 1.93 70- 130 30 70- 130 30 <br /> r %SS2: 96 10 87 86 2.16 86 86 0 70- 130 30 70- 130 30 <br /> %SS3: 104 IO 85 83 1.97 83 84 0.698 70- 130 30 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 /> I. <br /> BATCH 32540 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> y 0712441-OOIB 12/12/07 1:00 PM 12/15/07 12/15/07 3:40 PM 0712441-00213 12/12/07 4:00 PM 12/15/07 12/15/07 8:58 PM <br /> tr <br /> r <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 /> y contains significant concentrations of analyte relative to the amount spiked,or h)the spiked sample's matrix interferes with the spike recovery. <br /> WA=not enough sample to perform matrix spike and matrix spike duplicate. <br /> b. 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 /> DHS ELAP Certification N°1644 'k- QA/QC Officer <br />