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Am A <br />MW <br />I 10 2nd AvenueW, 9137, Pacheco, CA 94553-5560 <br />Inc.cCampbell Analytical' Telephone: 925-798-1620 Fax:925-798-1622 <br />14, 1 Website: www.mccampbelf.com E-mail: main a mccampbell.com <br />Matrix: S WorkOrder: 0405272 <br />EPA Method: SW8260B Extraction: SW5030B BatchlD: 11556 Spiked Sample ID: 0405226-006A <br />Sample <br />Spiked <br />MS* MSD* !MS -MSD <br />LCS LCSD LCS-LCSD <br />Acceptance Criteria (%) <br />% Rec. % Rec. % RPD <br />% Rec. % Rec. % RPD <br />Low High <br />pg/Kg <br />pg/Kg <br />tert-Amyl methyl ether (TAME) <br />ND <br />50 <br />84.3 <br />88 <br />4.31 <br />95.5 <br />92.7 2.99 <br />70 130 <br />Benzene <br />ND <br />50 <br />113 <br />112 <br />0.613 <br />114 <br />114 r 0 <br />70 130 <br />t -Butyl alcohol (TBA) <br />ND <br />250 <br />82.8 <br />82.2 <br />0.765 <br />97.9 <br />91.3 7.00 <br />70 130 <br />Chlorobenzene <br />ND <br />50 <br />103 <br />103 <br />0 <br />104 <br />103 1.01 <br />70 130 <br />1,2-Dibromoethane (EDB) <br />ND <br />50 <br />98.7 <br />101 <br />1.78 <br />109 <br />108 0.547 <br />70 130 <br />1,2-Dichloroethane (1,2 -DCA) <br />ND <br />50 <br />102 <br />106 <br />3.86 <br />110 <br />109 1.54 <br />70 130 <br />1, 1-Dichloroethene <br />ND <br />50 <br />79.5 <br />79.5 <br />0 <br />90.3 <br />90.5 0.161 <br />70 130 <br />Diisopropyl ether (DIPE) <br />ND <br />50 <br />110 <br />115 <br />4.11 <br />118 <br />117 0.137 <br />70 130 <br />Ethyl tert-butyl ether (ETBE) <br />ND <br />50 <br />95.5 <br />99.3 <br />3.90 <br />106 <br />103 2.42 <br />70 130 <br />Methyl -t -butyl ether (MTBE) <br />92.8 <br />3.67 <br />102 <br />98.5 3.94 <br />70 130 <br />ND <br />50 <br />89.5 <br />Toluene <br />114 <br />113 <br />0.930 <br />111 <br />114 2.06 <br />70 130 <br />ND <br />50 <br />Trichloroethene <br />ND <br />50 <br />83 <br />82.9 <br />0.157 <br />84.7 <br />85.5 0.927 <br />70 130 <br />%SS l : <br />94.6 <br />50 <br />92.4 <br />94.4 <br />2.15 <br />98.9 <br />97.9 0.948 <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 = 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) / 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 />analyte relative to the amount spiked, or b) if that specific sample matrix interferes with spike recovery. <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 />analyte content. <br />Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels. <br />DHS Certification No. 1644 QA/QC Officer <br />