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1 <br /> ENVIRONMENTAL <br /> Analytical Chemists <br /> November 12, 1993 QA/QC IN 931109 8010-301A <br /> 1 Stephen Valentine RE Organic Analysis <br /> 5232 Hemet Ave <br /> Stockton CA 95207 Extracted N/A <br /> 1 Analyzed November 9, 1993 <br /> 1 FGL Environmental Quality Assurance Report <br /> EPA METHOD 8010 <br />' CONC ACCURACY PRECISION <br /> SPIKED % RECOVERED % DIFFERENCE <br />' CONSTITUENT ug/kg MS MSD AR RPD MAV <br /> Chlorobenzene 5.0 86 82 38-150 4 8 20 0 <br />' 1,3-Dichlorobenzene 5.0 110 102 7-187 7 5 20.0 <br /> 1,4-Dichlorobenzene 5.0 100 94 42-143 6.2 20 0 <br /> 1 ,2-Dichloroethane 5.0 60 58 51-147 3 4 20 0 <br /> trans-l,2-D7chloroethylene 5.0 80 78 38-155 2 5 20 0 <br /> 1 ,2-Dichloropropane 5.0 92 96 44-156 4 3 20.0 <br /> Tetrachloroethylene 5.0 82 80 26-162 2 5 20 0 <br /> 1 , 1 ,2-Trichlorethane 5.0 76 76 39-136 0 0 20 0 <br />' MS = Matrix Spike MSD = Matrix Spike Duplicate Matrix = Laboratory Blank Water <br /> AR = Acceptable Range RPD = Retative Percent Difference MAV = Maximum Acceptable Value <br />' FGL ENVIRONMENTAL . <br /> ihomas Ba anen, M.S. <br /> Quality Assurance Offs r <br /> 1 <br /> 1 <br /> Corporate Offices & Laboratory Office & Laboratory Field Office <br /> PO Bax 272 853 Corporation Street 2500 Stagecoach Road Visalia CA <br /> Santa Paula GA 93061-0272 Stockton CA 95215 PH 2091734 9473 <br /> PH 8051659-0910 PH 209!942-0181 FAX 2091734-8435 <br /> rev 0nr Y Eor A179 _ _ FAX 209!942 0423_ _ — Mobile 209/737 2399 <br />