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1534 Willow Pass Road, PitAW CA 94565-1701 <br />M C��. a m p be� A na �� a I n C • Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />H%enQualityCounts" hupJ/www.nweampbeU.cotn/E-mail: bell.com <br />1 <br />W.O. Sample Matrix: Soil <br />QC SUMMARY REPORT FOR SW8021B/8015Bm <br />QC Matrix: Soil BatchlD: 63520 WorkOrder. 1112555 <br />EPA Method: SW8015191m <br />Extraction: SW5030B <br />BATCH 63520 SUMMARY <br />Lab ID <br />Spiked Sample ID: <br />1112529-010A <br />Analyte <br />TPH(btex)£ <br />Sample <br />mg/Kg <br />ND <br />Spiked <br />mg/Kg <br />0.60 <br />MS <br />% Rec. <br />81.2 <br />MSD <br />% Rec. <br />79.9 <br />MS -MSD <br />% RPD <br />1.58 <br />LCS <br />% Rec. <br />78.4 <br />Acceptance Criteria (%) <br />MS / MSD RPD LCS <br />70-130 20 70-130 <br />MTBE <br />ND <br />0.10 <br />112 <br />108 <br />3.99 <br />107 <br />70-130 <br />20 <br />70-130 <br />Benzene <br />ND <br />0.10 <br />99.3 <br />96.4 <br />2.98 <br />93.6 <br />70-130 <br />20 <br />70-130 <br />Toluene <br />ND <br />0.10 <br />102 <br />99.3 <br />2.91 <br />96.3 <br />70-130 <br />20 <br />70-130 <br />Ethylbenzene <br />ND <br />0.10 <br />107 <br />104 <br />3.06 <br />101 <br />70-130 <br />20 <br />70-130 <br />Xylenes <br />ND <br />0.30 <br />107 <br />104 <br />3.00 <br />101 <br />70-130 <br />20 <br />70 - <br />%SS: <br />111 <br />0.10 <br />87 <br />91 <br />4.40 <br />88 <br />70 -170 <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 />q <br />MS = Matrix 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 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 contains <br />significant concentrations of analyte relative to the amount spike], 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 c oslutes with surrogate peak. <br />N/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />NR = matrix interference and/or analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix <br />' or ane a content. <br />DHS ELAP Certificatioli 1644 <br />QA/QC Officer <br />Page 21 of 23 <br />BATCH 63520 SUMMARY <br />Lab ID <br />Date Sampled <br />Date Extracted <br />Date Analyzed Lab ID <br />Date Sampled Date Extracted Date Analyzed <br />1112555-OOIA <br />12/19/11 <br />12/19/11 <br />12/19/115:41 PM <br />1112555-002A <br />12/19/11 12/19/11 12/19/11 8:43 Ph <br />1112555-003A <br />12/19/11 <br />12/19/11 <br />12/19/11 10:15 PM <br />1112555-004A <br />12/19/11 12/19/11 12/19/11 11:15 Pb <br />1112555-005A <br />12/19/11 <br />12/19/11 <br />12/20/11 12:15 AM <br />MS = Matrix 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 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 contains <br />significant concentrations of analyte relative to the amount spike], 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 c oslutes with surrogate peak. <br />N/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />NR = matrix interference and/or analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix <br />' or ane a content. <br />DHS ELAP Certificatioli 1644 <br />QA/QC Officer <br />Page 21 of 23 <br />