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McCampbell Analytical, Inc. 1534Willow Pass Road,Pittsburg,CA 94 565-170 1 <br /> We b:www.mccampbell.cum E-mail:main@mccampbell.com <br /> "When Ouality Counts" Tele hone:877-252-9262 Fax:925-252-9269 <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0805420 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD: 35678 Spiked Sample ID: 0805420.013A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS I 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� ND 0.60 103 103 0 102 100 1.92 70- 130 20 70- 130 20 <br /> MTBE ND 0.10 109 103 5.07 111 99.3 11.1 70- 130 20 70- 130 20 <br /> Benzene ND 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 ND 0.10 98.2 94.7 3.64 96.1 101 4.47 70- 130 2 1 70- 130 20 <br /> Xylenes ND 0.30 109 105 3.42 92.8 97.7 5.10 70- 130 20 70- 130 20 <br /> %SS: 85 0.10 99 97 1.97 85 89 4.13 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 35678 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0805420-007A 05/15/08 11:40 AM 05/15/08 05/16/08 10:52 PM 0805420-008A 05/15/08 11:35 AM 05/15/08 05/19/08 4:06 PM <br /> 0805420-009A 05/15/08 12:00 PM 05/15/08 05/16/08 11:23 PM 0805420-OIOA 05/15/08 12:10 PM 05/15/08 05/17/08 12:24 AM <br /> 0805420-011A 05/15/08 1:15 PM 05/15/08 05/17/08 12:54 AM 10805420-012A 05/15/08 1:45 PM 05/15/08 05/17/08 1:25 AM <br /> 805420-013A 05/15/08 2:05 PM 05/15/08 05/17/08 1:55 AM <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 signifcant 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 BTEX areas from the FID. <br /> It 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 J2- QA/QC Officer <br />