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McCampbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> lr Web:www.mccampbell.com E-mail:main(iOmccampbell.com <br /> "When Oualitv Counts" fele hone877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil BatchlD: 39992 WorkOrder 0811805 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B Spiked Sample ID: 0812046-004A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> TPH(btex5 ND 0.60 104 108 3.46 102 87 16.0 70- 130 20 70- 130 20 <br /> MTBE ND 0.10 89.5 91.9 2.63 78.8 75.3 4.60 70- 130 20 70- 130 20 <br /> Benzene ND 0.10 93 101 8.44 93.3 92.2 1.14 70- 130 20 70- 130 20 <br /> Toluene ND 0.10 85.2 90.7 6.17 83.8 87.5 4.35 70- 130 20 70- 130 20 <br /> Eth (benzene ND 0.10 95.3 101 5.84 92.8 98.9 6.30 70- 130 20 70- 130 20 <br /> Xylenes ND 0.30 92.8 95.6 2.99 88.8 96.9 8.71 70- 130 20 70- 130 20 <br /> %SS: 87 0.10 92 97 4.83 89 99 10.4 70- 130 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 39992 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0811805-046A 11/24/08 12:20 PM 12/02/08 12/02/08 7:08 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 /> £TPH(btex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=not enough sample to perforin matrix spike and matrix spike duplicate. <br /> NR=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 /> matrix or analyte content. <br /> DHS ELAP Certification 1644 QA/QC Officer <br />