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McCampbell Analytical, Inc. 1534 Willow Pass Road,Piusburg,CA 94565-1701 <br /> ,—� Web:www.mccampbell.com E-mail:main@mccampbell.com <br /> "When Oualim Counts" Tele hone:877-252-9262 Fax:925-252-9269 <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Water OC Matrix: Water WorkOrder: 0805464 <br /> EPA Method SW8015Cm Extraction SW5030B SatchlD:35698 Spiked Sample ID: 0805436.001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. a/Rec. a/RPD MS/MSD RPD LCS/LCSD RPD <br /> TPH(btex5 ND 60 101 86.4 15.5 115 99.5 14.1 1 70- 130 20 70- 130 20 <br /> MTBE ND 10 98.6 99.4 0.767 109 96.7 11.8 70- 130 20 70- 130 20 <br /> Benzene ND 10 92.1 98.8 6.98 94.9 90.2 5.05 70- 130 20 70- 130 20 <br /> Toluene ND 10 90.5 98.4 8.35 95.1 89.2 6.36 70- 130 20 70- 130 20 <br /> Eth lbenzene ND 10 90.1 103 13.7 98.2 92 6.57 70- 130 20 70- 130 20 <br /> Xylenes ND 30 106 114 7.13 110 104 5.69 70- 130 20 70- 130 20 <br /> %SS: 110 10 90 99 9.38 94 90 4.74 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 35698 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed lab ID Date Sampled Date Extracted Date Analyzed <br /> 0805464-013A 05/16/08 11:30 AM 05/19/08 05/19/08 9:49 PM I 0805464-014A 05/16/08 11:45 AM 05/20/08 05/20/08 6:54 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)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 perforin matrix spike and matrix spike duplicate. <br /> lil=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,or inconsistency in sample containers. <br /> DHS ELAP Certification N°1644 42— QA/QC Officer <br />