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QMcCamnbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> a. Web:www.mocampbell.cam E-mail:main®mccampbdl.wm <br /> "When Ouality Counts" Tel 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 0712441 <br /> EPA Method SW8015Cm Extraction SW5030B BatchlD: 32532 Spiked Sample ID: 0712441-001C <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ug/L Ng/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> r_ <br /> TPH(btcx5 ND 60 98.4 86.7 12.6 94 101 6.78 70- 130 30 70- 130 30 <br /> MTBE ND 10 102 104 2.67 93 98.8 6.01 70- 130 30 70- 130 30 <br /> Benzene ND 10 92 83.6 9.54 90.1 91.8 1.90 70- 130 30 70- 130 30 <br /> Toluene ND 10 90.6 80.9 11.2 89.6 90.1 0.565 70- 130 30 70- 130 30 <br /> Eth (benzene ND 10 100 1 81.5 20.7 103 102 1.74 70- 130 30 70- 130 1 30 <br /> r <br /> Xylenes ND 30 96.7 1 96.7 0 100 100 0 70- 130 30 70- 130 30 <br /> %SS: 99 10 97 1 88 9.64 95 95 0 70- 130 1 30 70- 130 30 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> k.n <br /> NONE <br /> BATCH 32532 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0712441-OO1C 12/12/07 1:00 PM 12/16/07 12/16/07 12:59 AM I 0712441-002C 12/12/07 4:00 PM 12/16/07 12/16/07 1:33 AM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> a. <br /> %Recovery=100'(MSSample)/(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 /> p cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> DHS ELAP Certification No 1644 � QA/QC Officer <br /> r <br />