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f <br /> ErivmoriMENTAL <br /> ANALYTICAL CHEMISTS <br /> QA/gC IDS 921120 UG5TA-S-301A <br /> November 30, 1992 <br /> Claudio Dell Eva RE: Organic Analysis <br /> 530 Yale Street Extracted: November 20, 1992 <br /> San Francisco , CA 94134 Analyzed : November 20, 1992 <br /> FGL Environmental Quality Assurance Report <br /> UL3TA-S METHOD <br /> • CONC. ACCURACY PRECISION <br /> SPIKED °% RECOVERED % DIFFERENCE <br /> CONSTITUENT mg/kq N5 MSD AR RPD MAV <br /> Ethyl Benzene 8020 5.0 96 94 32-160 2.0 20.D <br /> MS = mr,trix Spike M50 = matrix Spike Duplicate matrix = Laboratory alank water <br /> AR = Acceptable Range <br /> Rpo = Relative Percent Difference HAV = Maxim,m Acceptable Value <br /> FGL ENVIRONMENTAL <br /> Aomas Bar anen, M.S <br /> uaity Assurance Of icer <br /> � a <br /> k ; <br /> i•.1 <br /> RECEIVED <br /> Qt1iCe G Labtlra�lQrY V=saba.Cal-lomla <br /> . .. - Corp4rBle_Qliire5 b,Laboratory 7500 Su.;}^'_n�c11 gn7n _ TEL-J2091734-9.7-, <br /> p Bo,.;2 R53 Cn,orrn,p^5!•cn SIVCkIP".CA 95215 61ott,lc 12094738.61 <br /> CaQ30610: ' .SEL 120)-4-Z 01"1 <br /> TEL 19::1 <br />