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MCCamnbell Analytical, lnc. 1534 Will..Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccampbell.cmn E-mail:mainQamccampbell.com <br /> "When Ouality Counts" I Telephone:877-252-9262 Fax:925-2524269 <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0805464 <br /> EPA Method SW8015Cm Extraction SW5030B BatchlD:35678 Spiked Sample ID: 0805420-013A <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(btex� NO 0.60 103 103 0 1113 100 1.92 70- 130 20 70- 130 20 <br /> MTBE NO 0.10 109 103 5.07 111 99.3 11.1 70- 130 20 70- 130 20 <br /> Benzene NO 0.10 90.4 86.3 4.58 95.8 97.8 2.11 70- 130 20 70- 130 20 <br /> Toluene ND 0.10 99.9 95.8 4.14 81.6 85.2 4.12 70- 130 20 70- 130 20 <br /> Eth (benzene NO 0.10 98.2 94.7 3.64 96.1 101 4.47 70- 130 20 70- 130 20 <br /> Xylenes NO 0.30 109 105 3.42 92.8 97.7 5.10 1 70- 130 1 20 70- 130 20 <br /> %SS: 85 0.10 99 97 1.97 85 89 4.13 1 70- 130 1 20 70- 130 20 <br /> All target compounds in the Method Blank of this extraction batch were NO less than the method RL with the following exceptions: <br /> NONE <br /> BATCH 35678 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0805464-001 A 05/16/08 8:05 AM 05/16/08 05/22/08 6:35 PM <br /> 0 <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100`(MSSample)/(Amount Spiked);RPD=100.(MS- MSD)/((MS+MSD)/2). <br /> MS/MSD spike recoveries and/or%RPD may fall outside of laboalory 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 /> trix or analyte content. <br /> DHS ELAP Certification No 1644 QA/QC Officer <br />