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Y <br /> A& ORANGE COAST ANALYTICAL, INC. <br /> AM <br /> 3002 Dow, Suite 532, Tustin, CA 92680 <br /> (714) 832-0064, Fax (714) 832-0067 <br /> Q C D A T A R E P O R T <br /> Analysis: EPA 8015m / 8020 <br /> Date of Analysis: 11/14/94 <br /> Laboratory Sample No. : 9411.0382 <br /> Laboratory Reference No. : TOC 4792 <br /> Analyte R1 SP MS MSD PRI PR2 RPD <br /> (ppb) (ppb) (ppb) (ppb) o <br /> Benzene 0 . 0 20 16 16 80 80 0 <br /> Toluene 0. 0 20 16 16 80 80 0 <br /> Ethylbenzene 0. 0 20 16 16 80 80 0 <br /> Hydrocarbons------------------250-----230-----260-----92 12 <br /> ------------`- - <br /> R1 Results of First Analysis <br /> SP Spike Concentration Added to Sample <br /> MS Matrix Spike Results <br /> MSD Matrix Spike Duplicate Results <br /> PRI Percent Recovery of MS: { (MS - R1) / SP } X 100 <br /> PR2 Percent Recovery of MSD: { (MSD - R1) / SP } X 100 <br /> RPD Relative Percent Difference: { (MSD - MS) / (MSD + MS) } X 100 X 2 <br /> ORANGE COAST ANALYTICAL <br /> Mark Noorani <br /> Laboratory Director <br />