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MCCamnbell Analytical. Inc. 1534 Willow Pass ROad,Pittsburg,CA 94565-1701 <br /> Web:www.mccampbell.com E-mail:main@mccampball.com <br /> "When Oaality Coums" Tele hone:877-252-9262 Fax:925-252-9269 <br /> • QC SUMMARY REPORT FOR SW8O21B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0805420 <br /> EPA Method SW8021Bf8015Cm Extraction SW5030B BatchlD: 35648 Spiked Sample ID: 0805378-014A <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(blex� NO 0.60 105 109 3.57 91.7 97.2 5.83 70- 130 20 1 70- 130 20 <br /> MTBE ND 0.10 109 94.8 14.2 108 112 3.37 70- 130 20 70- 130 20 <br /> Benzene ND 0.10 95.5 96 0.444 83.4 89.1 6.53 70- 130 20 70- 130 20 <br /> Toluene NO 0.10 106 106 0 92.2 97.9 6.09 70- 130 20 70- 130 20 <br /> Eth (benzene ND 0.10 106 108 1.59 90.9 97.1 6.57 70- 130 20 70- 130 20 <br /> Xylenes NO 0.30 117 119 1.57 99.9 107 6.96 70- 130 20 70- 130 20 <br /> %SS: 85 0.10 87 94 6.84 88 94 6.35 770- 130 20 70- 130 1 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 35648 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0805420-OOIA 05/15/08 10:15 AM 05/15/08 05/16/08 9:51 PM 0805420-002A 05/15/08 10:25 AM 05/15/08 05/19/08 3:53 PM <br /> 0805420-003A 05/15/08 10:30 AM 05/15/08 05/16/08 10:21 PM 0805420-004A 05/15/08 10:45 AM 05/15/08 05/19/08 4:23 PM <br /> 0805420-005A 05/15/08 10:55 AM 05/15/08 05/16/08 8:49 PM I 0805420-006A 05/15/08 11:30 AM 05/15/08 05/19/08 5:25 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)/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,orb)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 /> tdx or analyte content. <br /> DHS ELAP Certification No 1644 QA/QC Officer <br />