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GeoAnalytical Laboratories, Inc. <br />1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br />Report# Q300-14 QC REPORT <br />San Joaquin County Environmental Health <br />304 E. Weber 3rd Floor <br />Stockton CA 95202 <br />* LCS/LCSD (see comments) <br />o ala <br />Inorganic Supervisor <br />Certification # 1157 <br />Comments <br />C <br />is <br />Sample analyte concentration too high to spike. <br />Donna Keller <br />Laboratory Director <br />MS <br />MSD <br />LCS <br />Analyte <br />Method <br />Batch # <br />Dates Analyzed <br />Orig. Dupl. %Rec <br />%Rec <br />RPD <br />%Rec Blank <br />Antimony <br />6020 <br />I07078 <br />10/29/04 <br />96.4 <br />97.1 <br />0.7 <br />99.9 <br />ND <br />Arsenic <br />6020 <br />107079 <br />10/29/04 <br />95.0 <br />96.0 <br />0.7 <br />99.6 <br />ND <br />Barium <br />6010B <br />107080 <br />10/29/04 <br />97.4 <br />108.0 <br />1.7 <br />96.2 <br />ND <br />Beryllium <br />6010B <br />I07081 <br />10/29/04 <br />103.8 <br />102.3 <br />1.5 <br />106.2 <br />ND <br />Cadmium <br />6010B <br />I07082 <br />10/29/04 <br />94.5 <br />95.6 <br />1.0 <br />101.5 <br />ND <br />Chromium <br />6020 <br />107083 <br />10/29/04 <br />102.0 <br />103.0 <br />0.8 <br />102.1 <br />ND <br />Cobalt <br />6010B <br />107084 <br />10/29/04 <br />102.8 <br />102.3 <br />0.5 <br />103.4 <br />ND <br />Copper <br />6020 <br />107074 <br />10/29/04 <br />113.8 <br />115.0 <br />0.6 <br />99.6 <br />ND <br />Lead <br />6020 <br />I07085 <br />10/29/04 <br />105.7 <br />106.8 <br />0.9 <br />99.2 <br />ND <br />Mercury <br />7470A <br />I07086 <br />10/29/04 <br />97.6 <br />97.2 <br />0.4 <br />100.8 <br />ND <br />Molybdenum <br />6010B <br />107087 <br />10/29/04 <br />94.3 <br />96.2 <br />1.1 <br />94.5 <br />ND <br />Nickel <br />6010B <br />107088 <br />10/29/04 <br />101.8 <br />103.0 <br />1.0 <br />104.6 <br />ND <br />Selenium <br />6020 <br />I07089 <br />10/29/04 <br />86.2 <br />82.2 <br />4.8 <br />103.3 <br />ND <br />Silver <br />6010B <br />I07090 <br />10/29/04 <br />92.7 <br />93.7 <br />1.1 <br />98.7 <br />ND <br />Thallium <br />6020 <br />107091 <br />10/29/04 <br />108.0 <br />108.8 <br />0.7 <br />103.0 <br />ND <br />Vanadium <br />6010B <br />107092 <br />10/29/04 <br />100.8 <br />102.4 <br />0.8 <br />99.6 <br />ND <br />Zinc <br />6010B <br />I07093 <br />10/29/04 <br />113.0 <br />108.3 <br />* 4.2 <br />ND <br />* LCS/LCSD (see comments) <br />o ala <br />Inorganic Supervisor <br />Certification # 1157 <br />Comments <br />C <br />is <br />Sample analyte concentration too high to spike. <br />Donna Keller <br />Laboratory Director <br />