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L <br /> � McCam be l Anal hcalInc. 1534 Willow Pas&Road,Pittsburg.CA 94565-1701 <br /> Web:www.mecampbell.com E-mail:maiaQo mccampbe0.com <br /> "WhenOualitvCauats" Tcl hone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.D.Sample Matrix: Soil OC Matrix: Soil WorkOrder 0704155 <br /> EPA Method SW8021B18015Cm Extraction SW5030B BatchlD: 27344 Spiked Sample ID: 0704155-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mgXg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS 1 MSD RPD LCSILCSD I RPD <br /> TPH(btexf ND 0.60 101 109 7.51 102 101 0.931 70- 130 30 70- 130 30 <br /> MTBE ND 0.10 1 119 121 1.14 110 119 7.94 70- 130 30 70- 130 30 <br /> Benzene ND 0.10 102 97.4 4.47 109 99.1 9.39 70- 130 30 70-130 30 <br /> Toluene ND 0.10 92.9 88.8 4.44 98.5 86.5 10.7 70- 130 30 70- 130 30 <br /> Ethylbenzene ND 0.10 103 98.5 3.95 106 98.7 7.09 70- 130 30 70- 130 30 <br /> Xylenes ND 0.30 96.7 95.3 1.39 100 92 8.33 70-130 30 70- 130 30 <br /> %SS: 86 0.10 1 87 88 2.09 94 86 8.76 70- 130 30 70- 130 30 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method PL with The following exceptions: <br /> NONE <br /> BATCH 27344 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0704155-OOIA 04/06/07 2:55 PM 04/06/07 04/07/07 5:53 AM I 0704155-002A 04/06/07 3:03 PM 04/06/07 04/07/07 9:07 PM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100`(MSSample)1(Amount Spiked);RPD=100'(MS- MSD)I((MS+MSD)12). <br /> MS I MSD spike recoveries and I 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 STEX areas from the FID. <br /> #cluttered chromatogram;sample peak coeiutes with surrogate peak. <br /> DHS ELAP Certification NO 1644 QA/QC Officer <br />