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wi ENVIRONMENTAL <br /> AMLYTICAL ISTS <br /> May 8, 1992 QA/QC ID# 920502 UGSTA-L-301A <br />' Marci Diesel RE. Organic Analysis <br /> 2973 Loomis Road <br /> Stockton , CA 95205 Extracted: May 2, 1992 <br /> Analyzed : May 7, 1992 <br /> FGL Environmental Quality Assurance Report <br />_ UGSTA-I. METHOD <br /> CONC. ACCURACY PRECISION <br /> SPIKED % RECOVERED % DIFFERENCE <br /> CONSTITUENT MS MSD AR RPD MAV <br /> Ethyl Benzene 602 5.0 104 96 32-160 8.0 20.0 <br /> TPH-Diesel 5030 1.0 98 107 70-130 8.7 40.0 <br /> i <br /> MS = Matrix Spike MSD a Matrix Spike Duplicate Matrix = Lab. Blank (tater <br /> AR a Acceptable Range RPD a Relative Percent Difference. MAV = Maximum Acceptable Value <br /> FGL ENVIRONMENTAL <br /> juomas Bar en, M.S. <br /> al <br /> Assurance Offi <br /> r <br /> 4 <br /> 1� <br /> Corporate Offirgj& ,@tL rAIM OW�e& 4g�to�y Feld Otticg <br /> P 0 Box 272 1853 Corporacion Sireei 2500 Siagecoach Road Visalia CaMornia <br /> Santa Paula CA 93061 0272 Slockton CA 95215 TEL (209)734 9473 <br /> ' TEL (805)659 0910 TEL (209)942 Oi81 Mobile 12095 738 6273 <br /> RECE1V=[j , w a 1 1- <br /> a <br />