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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> 4. 1McCamnbell Analytical. Inc. Web:www.mccampbell.wm E-ma0:main@hnccampbell.com <br /> "WhenOualiriCounts" Tele hone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Water QC Matrix: Water WorkOrder 0712346 <br /> r EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD: 32476 Spiked Sample ID: 0712346.009A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rec.I %RPD MS/MSD RPD LCS/LCSD RPD <br /> r <br /> TPH(btex5 ND 60 111 107 3.32 107 106 0.763 70- 130 30 70- 130 30 <br /> MTBE ND 10 82.1 83 1.06 101 106 4.44 70- 130 30 70- 130 30 <br /> r Benzene ND 10 99.7 97.2 2.62 97.2 103 5.66 70- 130 30 70- 130 30 <br /> Toluene ND 10 I1 I 109 1.19 97.3 103 5.46 70- 130 30 70- 130 30 <br /> Eth (benzene ND 10 109 107 1.93 106 109 3.38 70- 130 30 70- 130 30 <br /> ha' Xylenes ND 30 120 120 0 113 120 5.71 70- 130 30 70- 130 30 <br /> %SS: 113 to 1 94 87 7.82 87 91 4.25 170- 130 30 70- 130 30 <br /> r <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 /> r <br /> BATCH 32476 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> °i 0712346-009A 12/11/07 10:45 AM 12/14/07 12/14/07 7:29 AM 0712346-010A 12/11/07 3:00 PM 12/14/07 12/14/07 7:59 AM <br /> r <br /> r <br /> r <br /> r <br /> r <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;1-CS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> r <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 /> r 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 6TEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> Ras <br /> No <br /> DHS ELAP Certification N° 1644 QA/QC Officer <br />