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MCCampbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccampbell.com E-mail:mainr?amccampbell.00m <br /> "When Death,Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0805220 <br /> EPA Method SW8015Cm Extraction SW5030B BatchlD: 35491 Spiked Sample ID: 0805212.034A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. a/RPD % Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> TPH(btcx� ND 0.60 115 94.9 18.7 89 92 3.31 70- 130 20 70- 130 20 <br /> MTBE ND 0.10 101 104 2.77 92.7 94.1 1.51 70- I30 20 70- 130 20 <br /> Benzene NO 0.10 95.9 93.7 2.31 91.4 90.5 0.985 70- 130 20 70- 130 20 <br /> Toluene NO 0.10 110 109 0.405 76.5 77.1 0.780 70- 130 20 70- 130 20 <br /> E[h (benzene ND 0.10 104 103 0.932 88.5 87.2 1.48 70- 130 20 70- 130 20 <br /> Xylenes NO 0.30 115 115 0 80.2 80.8 0.852 70- 130 20 70- 130 20 <br /> %SS: 85 0.10 100 94 6.26 1 77 79 1 2.21 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 35491 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0805220-OOIA 05/08/08 1:45 PM 05/08/08 05/15/08 9:06 AM I 0805220-002A 05/08/08 3:00 PM 05/08/08 05/13/08 5:05 AM <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 /> £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 perform matrix spike and matrix spike duplicate. <br /> =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 /> lriz or analyte content. <br /> DHS ELAP Certification No 1644 J2— QA/QC Officer <br />