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h <br />w <br />QC Report: Matrix Spike/ Matrix Spike Duplicate <br />Project Name: 10858 TRINITY PARKWAY, STOCKTON <br />Project Number: 10.090 <br />Report Number : 72892 <br />Date : 05/05/2010 <br />1,2-Dibromoethane <br />72874-01 <br /><0.0050 <br />0.0394 <br />Duplicate Spiked <br />0.0362 <br />0.0349 <br />mg/Kg <br />Duplicate <br />Spiked <br />Spiked <br />Sample <br />Relative <br />Spike <br />Spiked <br />Spiked <br />Sample <br />Sample <br />Relative Percent <br />Percent <br />Spiked Sample Spike Dup. <br />Sample <br />Sample <br />Analysis Date Percent <br />Percent <br />Percent Recov. <br />Diff. <br />Parameter Sample Value Level Level <br />Value <br />Value Units <br />Method Analyzed Recov. <br />Recov. <br />Diff. Limit <br />Limit <br />TPH as Diesel <br />0.0394 <br />0.0374 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />100 <br />72805-11 2.3 20.0 20.0 <br />17.4 <br />17.3 mg/Kg <br />M EPA 8015 5/4/10 77.9 <br />77.6 <br />0.400 60-140 <br />25 <br />1,2-Dibromoethane <br />KIFF ANALYTICAL, LLC <br />2795 2nd Street, Suite 300 Davis, CA 95618 530-297-4800 <br />72874-01 <br /><0.0050 <br />0.0394 <br />0.0389 <br />0.0362 <br />0.0349 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />92.1 <br />89.7 <br />2.60 <br />67.2-121 <br />25 <br />1,2-Dichloroethane <br />72874-01 <br /><0.0050 <br />0.0394 <br />0.0389 <br />0.0394 <br />0.0374 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />100 <br />96.2 <br />4.00 <br />64.0-124 <br />25 <br />Benzene <br />72874-01 <br /><0.0050 <br />0.0394 <br />0.0389 <br />0.0362 <br />0.0355 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />92.1 <br />91.1 <br />1.00 <br />67.9-120 <br />25 <br />Diisopropyl ether <br />72874-01 <br /><0.0050 <br />0.0388 <br />0.0384 <br />0.0353 <br />0.0348 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />90.9 <br />90.6 <br />0.336 <br />65.2-122 <br />25 <br />Ethanol <br />72874-01 <br /><0.050 <br />0.0987 <br />0.0976 <br />0.0794 <br />0.0804 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />80.4 <br />82.5 <br />2.52 <br />37.1-156 <br />25 <br />Ethyl-tert-butyl ether <br />72874-01 <br /><0.0050 <br />0.0393 <br />0.0388 <br />0.0351 <br />0.0329 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />89.3 <br />84.7 <br />5.27 <br />64.6-122 <br />25 <br />Ethylbenzene <br />72874-01 <br /><0.0050 <br />0.0394 <br />0.0389 <br />0.0353 <br />0.0353 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />89.7 <br />90.8 <br />1.27 <br />65.5-127 <br />25 <br />Methyl -t -butyl ether <br />72874-01 <br /><0.0050 <br />0.0395 <br />0.0391 <br />0.0349 <br />0.0321 <br />mg/Kg <br />EPA 8260B <br />5/4/10 <br />88.3 <br />82.2 <br />7.23 <br />57.0-122 <br />25 <br />KIFF ANALYTICAL, LLC <br />2795 2nd Street, Suite 300 Davis, CA 95618 530-297-4800 <br />