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Roa <br /> ®® McCamubell Analytical. Inc. 1534 Willow Pass com Pittsburg,-mailCA 945 6 5-1 7 01 <br /> r Web:www.mccamphell.wm E-mail:mainQmccampbe0.com <br /> When Ouality Counts" Tele bone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0712346 <br /> r, EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD: 32474 Spiked Sample ID: 0712347-001A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> r <br /> TPH(btex5 ND 0.60 125 116 7.80 114 110 4.11 70- 130 30 70- 130 30 <br /> MTBE ND 0.10 81.3 83.5 2.73 81.3 82.4 1.42 70- 130 30 70- 130 30 <br /> r Benzene ND 0.10 94 83.1 12.3 93.6 93.4 0.133 70- 130 30 70- 130 30 <br /> Toluene ND 0.10 109 96.7 12.3 108 108 0 70- 130 30 70- 130 30 <br /> Eth lbenzene ND 0.10 105 92.4 13.3 102 102 0 70- 130 30 70- 130 30 <br /> Xylenes ND 0.30 117 100 15.4 113 113 0 70- 130 30 70- 130 30 <br /> -/.SS: 75 0.10 87 83 5.73 93 92 0.199 70- 130 30 70- 130 30 <br /> r <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 32474 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0712346-GOIA 12/11/07 9:58 AM 12/11/07 12/18/07 1:21 PM 0712346-002A 12/11/07 10:20 AM 12/11/07 12/13/07 7:3j <br /> 0712346-003A 12/11/07 11:00 AM 12/11/07 12/18/07 1:52 PM 0712346-004A 12/11/07 11:25 AM 12/11/07 12/17/07 1:1 <br /> 0712346-005A 12/11/07 11:55 AM 12/11/07 12/17/07 2:12 PM 0712346-006A 12/11/07 1:50 PM 12/11/07 12/17/07 3:1 <br /> L 0712346-007A 12/11/07 2:17 PM 12/11/07 12/17/07-.-- PM 0712346-008A 12/11/07 2:55 PM 12/11/07 12/13/07 11:2 <br /> V <br /> r. <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=too (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 /> 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 BTEX areas from the FID. <br /> _ If cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> DHS ELAP Certification No 1644 QA/QC Officer <br /> r <br />