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110 2nd Avenue South, #D7, Pacheco, CA 94553-5560 <br />cCapbell Analytical, Inc. Telephone : 925-798-1620 Fax : 925-798-1622 <br />4 Website: www.mccampbell.com E-mail: main@mccampbell.com <br />0 <br />Matrix: S <br />W orkOrder: 0410089 <br />EPA Method: SW8021B/8015Cm Extraction: SW1311 BatchID:13498 Spiked Sample ID: N/A <br />Analyte <br />TPH(btex) e <br />Sample <br />Spiked MS* <br />MSD* <br />MS -MSD* <br />LCS <br />LCSD <br />LCS-LCSD <br />Acceptance Criteria (%) <br />pg/L <br />N/A <br />pg/L % Rec. <br />60 N/A <br />% Rec. <br />N/A <br />% RPD <br />N/A <br />% Rec. <br />98.3 <br />% Rec. <br />97.8 <br />% RPD <br />0.467 <br />Low <br />70 <br />High <br />130 <br />MTBE <br />N/A <br />10 N/A <br />N/A <br />N/A <br />103 <br />97.9 <br />4.92 <br />70 <br />130 <br />Benzene <br />N/A <br />10 N/A <br />N/A <br />N/A <br />98.7 <br />97.1 <br />1.61 <br />70 <br />130 <br />Toluene <br />N/A <br />10 N/A <br />N/A <br />N/A <br />92.2 <br />90.6 <br />1.78 <br />70 <br />130 <br />Ethylbenzene <br />N/A <br />10 N/A <br />N/A <br />N/A <br />97.1 <br />95.9 <br />1.31 <br />70 <br />130 <br />Xylenes <br />N/A <br />30 N/A <br />N/A <br />N/A <br />86 <br />85.3 <br />0.778 <br />70 <br />130 <br />%SS: <br />N/A <br />10 N/A <br />N/A <br />N/A <br />101 <br />103 <br />2.38 <br />70 <br />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 = Matrix Spike; MSD = Matrix Spike Duplicate; LCS = Laboratory Control Sample; LCSD = Laboratory Control Sample Duplicate; RPD = Relative Percent <br />Deviation. <br />% Recovery = 100 * (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 <br />inhomogenous AND 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 /># cluttered chromatogram; sample peak coelutes with surrogate peak. <br />N/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />NR = 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 or <br />anal a content. <br />r --I <br />DHS Certification No. 1644 QA/QC Officer <br />