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McCamnbell Analytical, Ine. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 _7 <br /> Web:www.mmampbell.com E-mail:mainrcimccampbell.corn <br /> "When Omdity Counts" I Telephone:877-252-9262 Fax:925-252-9269 <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Water OC Matrix: Water WorkOrder: 0805464 <br /> EPA Method SW8015CM Extraction SW5030B BatchlD: 35681 Spiked Sample ID: 0805461.001A <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 /> TPH(btex� ND 60 98.8 96.7 2.14 90.7 101 10.8 70- 130 20 70- 130 20 <br /> MTBE ND 10 112 112 0 97.8 95.4 2.51 70- 130 20 70- 130 20 <br /> Benzene ND 10 96 103 6.84 93 89.3 4.01 70- 130 20 70- 130 20 <br /> Toluene ND 10 106 113 6.04 87.7 85.5 2.57 70- 130 20 70- 130 20 <br /> Eth (benzene ND 10 104 109 4.54 90.2 83.9 7.22 70- 130 20 70- 130 -20 <br /> Xylenes ND 30 115 120 3.86 1 82.2 80 2.74 70- 130 1 20 70- 130 20 <br /> %SS: 103 10 94 100 1 6.38 1 103 101 1.96 70- 130 1 20 70- 130 20 <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 35681 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Dale Sampled Date Extracted Date Analyzed <br /> 0805464-011A 05/16/08 10:45 AM 05/20/08 05/20/08 7:27 PM I 0805464-012A 05/16/08 11:15 AM 05/19/08 05/19/08 9:17 PM <br /> • <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)12). <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 /> E TPH(btex)=sum of aTEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <br /> Ail=matrix interference and/or analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high <br /> tnx or analyte content,or inconsistency in sample containers. �Q <br /> DHS ELAP Certification No 1644 QA/QC Officer <br />