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4V ErMRONMENTAL <br /> YTICAL CHEMISTS <br /> May 6, 1992 QA/QC ID# 920501 UGSTA-S-3016 <br /> Normac RE: Organic Analysis <br /> 6215 Tam O'Shanter <br /> Stockton CA 95207 Extracted: May 1, 1992 <br /> Analyzed : May 1, 1992 <br /> FGL Environmental Quality Assurance Report <br /> U STA-S METHOD <br /> CONC. ACCURACY PRECISION <br /> SPIKED % RECOVERED % DIFFERENCE <br /> CONSTITUENT MS MSD AR RPD MAV <br /> Ethyl Benzene 8020 5.0 92 97 32-160 5.0 20.0 <br /> MS a Matrix Spike MSD = Matrix Spike Duplicate Metrix = Lab. 'Slank Yater <br /> AR a Acceptable Range RPD = Relative Percent Difference. MAV a Meximm Acceptable Value <br /> FGL ENVIRONMENTAL <br /> :!�!N2 QZ A I L�� -t� I <br /> omas Bar nen, M.S. <br /> Ahn <br /> uality Assurance Office <br /> RECEIVED L'iA 0 {"J? <br /> RfR9r�4gQ a&_$_L>jb�r��4q Q.ff ice.-L-Ut4rp Ot1to <br /> PO Box 272 J 853 Corporation Sireet 2500 Stagecoach Road Visalia California <br /> Santa Paula CA 93061 0272 Stockton CA 95245 TEL (209)734 9473 <br /> TEL (805)659 0910 TEL (209)942 0181 Moble (209)738 6213 <br />