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* LCS/LCSD (see comments) <br />i Bo ba <br />Inorganic Supervisor Certification # 1157 <br />Donna Keller <br />Laboratory Director <br />D <br />m <br />N <br />OD <br />N <br />C" <br />GeoAnalytical <br />Laboratories, Inc. <br />1405 Kansas Avenue Modesto, CA 95351 <br />Phone_ (209) 572-0900 <br />Fait (209) 572-0916 <br />N <br />CID <br />CD <br />Report# Q289-01 <br />QC REPORT <br />A <br />o, <br />W <br />W <br />San Joaquin County Environmental Health <br />304 E. Weber 3rd Floor <br />Stockton <br />CA 95202 <br />cn <br />J <br />MS <br />MSD <br />LCS <br />Analyte <br />Method <br />Batch # <br />Dates Analyzed Orig. Dupl. %Rec <br />%Rec <br />RPD <br />%Rec Blank <br />Connments,; <br />m <br />Antimony <br />6020. <br />I06827 <br />10/20/04 <br />104.6 <br />106.2 <br />1.3 <br />100.8 <br />ND <br />Arsenic <br />6020 <br />I06828 <br />10/20/04 <br />108.4 <br />105.6 <br />23 <br />99.8 <br />ND <br />Barium <br />6010B <br />I06829 <br />10/20/04 <br />89.2 <br />102.0 <br />1.2 <br />98.6 <br />ISTD <br />Beryllium <br />6010B <br />I06830 <br />10/20/04 <br />99.8 <br />101.0 <br />1.2 <br />99.6 <br />ISTD <br />Cadmium <br />6010B <br />I06831 <br />10/20/04 <br />101.4 <br />102.4 <br />0.7 <br />103.6 <br />ND <br />Chromium <br />6010B <br />I06832 <br />10/20/04 <br />1020 <br />100.6 <br />0.8 <br />105.6 <br />ND <br />Cobalt <br />6010B <br />I06833 <br />10/20/04 <br />106A <br />105.8 <br />0.5 <br />108.2 <br />ND <br />Copper <br />6010B <br />I06834 <br />10/20/04 <br />115.6 <br />117.4 <br />* 1.5 <br />ND <br />Sample analyte concentration too high to spike. <br />Lead <br />6010B <br />I06835 <br />10/20/04 <br />95.8 <br />97.2 <br />0.4 <br />99.2 <br />ND <br />m <br />0 <br />Mercury <br />6020A <br />I06836 <br />10/20/04 <br />107.2 <br />105.6 <br />1.5 <br />105.6 <br />ND <br />Molybdenum <br />6010B <br />I06837 <br />10/20/04 <br />98.4 <br />96.8 <br />* 1.6 <br />ND <br />Sample analyte concentration too high to spike. <br />Nickel <br />6010B <br />I06838 <br />10/20/04 <br />108.0 <br />108.4 <br />0.2 <br />109.6 <br />ND <br />Selenium <br />6020 <br />I06839 <br />10/20/04 <br />115.2 <br />110.4 <br />4.3 <br />103.6 <br />ND <br />Silver <br />6010B <br />I06840 <br />10/20/04 <br />104.0 <br />103.7 <br />0.3 <br />108.7 <br />ND <br />Thallium <br />6020 <br />I06841 <br />10/20/04 <br />102.2 <br />101.0 <br />1.2 <br />104.6 <br />ND <br />Vanadium <br />6010B <br />I06842 <br />10/20/04 <br />100.4 <br />99.6 <br />0.5 <br />104.1 <br />ND <br />Zinc <br />6010B <br />I06843 <br />10/20/04 <br />83.6 <br />91.6 <br />0.4 <br />105.8 <br />ND <br />* LCS/LCSD (see comments) <br />i Bo ba <br />Inorganic Supervisor Certification # 1157 <br />Donna Keller <br />Laboratory Director <br />D <br />m <br />N <br />OD <br />N <br />C" <br />