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EIVIROrIM rITAL <br /> December 8, 1992 QA/QC ID# 921203 8020-301A <br /> Toyota Town RE: Organic Analysis <br /> 2150 East Hammer Lane <br /> Stockton CA Extracted: December 3, 1992 <br /> Analyzed : December 3, 1992 <br /> FGL Environmental Quality Assurance Report <br /> EPA METHOD 8020 <br /> CONC. ACCURACY PRECISION <br /> SPIKED % RECOVERED % DIFFERENCE <br /> CONSTITUENT mg/kg MS MSD AR RPD MAV <br /> Chlorobenzene 5.0 90 90 55-135 0.0 20.0 <br /> Ethyl Benzene 5.0 104 99 32-160 5.0 20.0 <br /> 1,3-Dichlorobenzene 5.0 87 87 50-141 0.0 20.0 <br /> 1,4-Dichlorobenzene 5.0 95 102 42-143 7.0 20.0 <br /> MS = Matrix Spike MSD = Matrix Spike Duplicate Matrix = Laboratory Blank water <br /> AR = Acceptable Range RPD = Relative Percent Difference MAV = Maximum Acceptable Value <br /> I <br /> FGL ENVIRONMENTAL <br /> 9amas B anen, M S. <br /> ality Assurance Officer <br /> Corporate Offices&LaboratortC Offige&Laboratory Field Offspe <br /> P.O.Box 2721853 Corporation Street 2500 Stagecoach Road Visalia, California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL:(209)734-9473 <br /> TEL:(805)659-0910 TEL:(209)942-0181 Mobile:(209)738-6273 <br />