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QC SUMMARY REPORT FOR SW8021B/8015Bm <br />W.O. Sample Matrix: Soil QC Matrix: Soil BatchiD: 63420 <br />WnrknrdAr• 1117'Aqp <br />EPA : SW8021B/8015Bm <br />Extraction: SW5030B <br />BATCH 63420 SUMMARY <br />MC <br />a m be(' A 11 <br />a <br />n C • <br />Analyte <br />illow <br />1534 Pass <br />PiusIWCA 94565- 701 <br />Toll FreewTelep> : (R 7) 252-9262 / Fat: 9 5) 252-9269 <br />Spiked <br />mg/Kg <br />"When 7iQ1 Counts" <br />MSD <br />°k Rec: <br />MS -MSD <br />% RPD <br />LCS <br />% Rec. <br />http:/Avww.mccampbeu.com/E-maii:bell.com <br />QC SUMMARY REPORT FOR SW8021B/8015Bm <br />W.O. Sample Matrix: Soil QC Matrix: Soil BatchiD: 63420 <br />WnrknrdAr• 1117'Aqp <br />EPA : SW8021B/8015Bm <br />Extraction: SW5030B <br />BATCH 63420 SUMMARY <br />Lab ID <br />Date Sampled <br />Spiked Sample ID: <br />1112398-007A <br />Analyte <br />Sample <br />mg/Kg <br />Spiked <br />mg/Kg <br />MS <br />% Rex. <br />MSD <br />°k Rec: <br />MS -MSD <br />% RPD <br />LCS <br />% Rec. <br />Acceptance Criteria (%) <br />MS / MSD RPD LCS <br />TPH(btex)£ <br />ND <br />0.60 <br />78.2 <br />80.8 <br />3.21 <br />79.1 <br />70-130 <br />20 <br />70-130 <br />MTBE <br />ND <br />0.10 <br />103 <br />108 <br />4.71 <br />102 <br />70-130 <br />20 <br />70-130 <br />Benzene <br />ND <br />0.10 <br />89.7 <br />96 <br />6.83 <br />89.1 <br />70-130 <br />20 <br />70-130 <br />Toluene <br />ND <br />0.10 <br />91.9 <br />98.5 <br />6.96 <br />91.6 <br />70-130 <br />20 <br />70-130 <br />Ethylbenzene <br />ND <br />0.10 <br />95.4 <br />103 <br />7.83 <br />95.3 <br />70-130 <br />20 <br />70-130 <br />Xylenes <br />ND <br />0.30 <br />95.6 <br />102 <br />6.68 <br />95.8 <br />70-130 <br />20 <br />70-130 <br />%SS: <br />104 <br />0.10 <br />86 <br />86 <br />0 <br />86 <br />70 - 130 1 <br />20 <br />70-130 <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 />MS = Wrix 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) / 2). <br />MS / MSD spike reveries and / or %RPD may fail outside of laboratory acceptance criteria due to one or more of the following reasons: a) the sample is inhomogenous AND contains <br />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 coekdes with surrogate peak. <br />N/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />NR = matrix ante and/or analyte concentration in sample excels spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix <br />or anaWe content. <br />DHS EL.AP Certification 1644 <br />QA/QC Officer <br />tPage 19 of 20 <br />BATCH 63420 SUMMARY <br />Lab ID <br />Date Sampled <br />Date Extracted <br />Date Analyzed Lab ID <br />Date Sampled Date Extracted Date Analyzed <br />1112399-001A <br />12/13/113:05 PM <br />12/13/11 <br />12/14/112:58 AM <br />1112399-002A <br />12/13/113:20 PM 12/13/11 12/14/113:27 A] <br />1112399-003A <br />12/13/113:30 PM <br />12/13/11 <br />12/14/113:56 AM <br />1112399 -MA <br />12113/113:40 PM 12/13/11 12/14/115:51 A] <br />1112399-005A <br />12/13/113:55 PM <br />12/13/11 <br />12/14/116:20 AM <br />MS = Wrix 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) / 2). <br />MS / MSD spike reveries and / or %RPD may fail outside of laboratory acceptance criteria due to one or more of the following reasons: a) the sample is inhomogenous AND contains <br />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 coekdes with surrogate peak. <br />N/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />NR = matrix ante and/or analyte concentration in sample excels spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix <br />or anaWe content. <br />DHS EL.AP Certification 1644 <br />QA/QC Officer <br />tPage 19 of 20 <br />