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110 2nd Avenue South, 4137, Pacheco, CA 94553-5560 <br />Inc.cCapbell Analytical' Telephone : 925-798-1620 Fax : 925-798-1622 <br />Website: www.mccampbell.com E-mail: maina mccampbell.com <br />—14, <br />Matrix: S WorkOrder: 0406261 <br />EPA Method: <br />SW8021 B/8015Cm Extraction: <br />SW1311 <br />BatchlD: 11977 <br />Spiked Sample ID: N/A <br />Sample <br />Spiked <br />MS* <br />MSD` <br />MS -MSD <br />LCS <br />LCSD <br />LCS-LCSD <br />Acceptance <br />Criteria (%) <br />pg/L <br />ug/L <br />% Rec. <br />% Rec. <br />% RPD <br />% Rec. <br />% Rec. <br />% RPD <br />Low <br />High <br />TPH(btex)£ <br />N/A <br />60 <br />N/A <br />N/A <br />N/A <br />79.4 <br />( 78.9 <br />0.654 <br />70 <br />130 <br />MTBE <br />N/A <br />10 <br />N/A <br />N/A <br />N/A <br />112 <br />115 <br />2.17 <br />70 <br />130 <br />Benzene <br />N/A <br />10 <br />N/A <br />N/A <br />N/A <br />105 <br />108 <br />2.07 <br />70 <br />130 <br />Toluene <br />N/A <br />10 <br />N/A <br />N/A <br />N/A <br />101 <br />102 <br />1.32 <br />70 <br />130 <br />Ethylbenzene <br />N/A <br />10 <br />N/A <br />N/A <br />N/A <br />105 <br />107 <br />2.32 <br />70 <br />130 <br />Xylenes <br />N/A <br />30 <br />N/A <br />N/A <br />N/A <br />91 <br />95 <br />4.30 <br />70 <br />130 <br />%SS: <br />N/A <br />10 <br />NIA <br />N/A <br />N/A <br />102 <br />103 <br />1.21 <br />70 <br />130 <br />All target compounds in the Method Blank of this extraction batch were ND less than the method RL <br />with the following exceptions: <br />NONE <br />= Matrix Spike; MSD = Matrix Spike Duplicate; LCS = Laboratory Control Sample; LCSD = Laboratory Control Sample Duplicate; RPD = Relative Percent <br />Recovery = 100 * (MS -Sample) / (Amount Spiked); RPD = 100 * (MS - MSD) / ((MS + MSO) / 2). <br />MS and / or MSD spike recoveries may not be near 100% or the RPDs near 0% if: a) the sample is inhomogenous AND contains significant concentrations of <br />,ialyte relative to the amount spiked, or b) if that specific sample matrix interferes with spike recovery. <br />TPH(btex) = sum of BTEX areas from the FID. <br />cluttered chromatogram; sample peak coelutes with surrogate peak. <br />/A = not enough sample to perform matrix spike and matrix spike duplicate. <br />R = 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 />ialyte content. <br />DHS Certification No. 1644 <br />3 <br />,� QA/QC Officer <br />