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I _ <br /> ENVIRONMENTAL <br /> 1 <br /> Analytical Chemists <br /> November 12, 1993 QA/QC ID# 931110 8010-301A <br />' Stephen Valentine RE Organic Analysis <br /> 5232 Hemet Ave <br /> Stockton CA 95207 Extracted. N/A <br />' Analyzed November 10, 1993 <br />' 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 84 82 38-150 2.4 20 0 <br />' 1 ,3--Dichlorobenzene 5.0 104 104 7-187 0 0 20 0 <br /> 1 ,4-Dichlorobenzene 5.0 96 90 42-143 6 5 20.0 <br /> 1 ,2-Dichloroethane 5.0 68 66 51-147 3 0 20 0 <br /> trans-1,2-1ichloroethylene 5.0 100 100 38-155 0 0 20 0 <br /> 1 ,2-Dichloropropane 5.0 96 100 44-156 4 1 20 0 <br /> Tetrachloroethylene 5.0 80 76 26-162 5 1 20 0 <br /> 1 , 1 ,2-Trichlorethane 5.0 74 86 39-136 15 0 20 0 <br />' MS = Matrix Spike MSD = Matrix Spike Duplicate Matrix = Laboratory Blank Water <br /> AR = Acceptable Range RPD = Relative Percent Difference MAV = Maxtimurn Acceptable Value <br /> FGL ENVIRONMENTAL <br />' Thomas tanen, M <br /> Quality Assurance 0 icer <br /> I <br /> 1 <br />' Corporate Offices & Laboratory Office & Laboratory Field Office <br /> PO Box 272 1 853 Corporation Street 2500 Stagecoach Road Visalia CA <br /> Santa Paula CA 93061 0272 Stockton CA 95215 PH 2091734-9473 <br /> PH 8051659 0910 PH 2091942 0181 FAX 2091734-8435 <br /> FAX 805,152S 4172 — FAX 2091442 n429 Moble 2091737-2399 <br />