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.t <br /> ' <br /> ---�-- '. ..,«El`I'�1IK01� � n� �- CW-WtU <br /> 'NVIRONMEN 1 AL HEAL;it <br /> ANALYTICAL CHEMISTS - PERMIT SERVICES <br /> October 22, 1992 QA/QC. ID# 921002 UGSTA-L-301A <br /> San Joaquin County Health Dept RE: Organic Analysis <br /> P.O. Box 2009 <br /> Stockton CA 95201 Extracted: October 2, 199 <br /> Analyzed October 2, 1992 <br /> FGL Environmental Quality Assurance Report <br /> UGSTA-L METHOD <br /> CONC. ACCURACY <br /> SPIKED % RECOVERED % DIFFERENCE <br /> CONSTITUENT ug/L MS MSD AR RPD MAV <br /> Ethyl Benzene 602 5.0' 107 108 75-129 1 .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 /> FGL ENVIRONMENTAL <br /> Thomas Bartanen, M.S.. <br /> i <br /> Quality Assurance Officer <br /> I <br /> 1 <br /> i <br /> i <br /> i <br /> Corporate Offices&Laboratory Office&Laboratory Field Office <br /> P.O.Box 272/853 Corporation Street 2500 Stagecoach Road Visalia, California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL:(209)734-9473 <br /> TEL:(805)659-09.10 TEL:(209)942-0181 Mobile:(209)738-6273 <br />