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i <br /> i <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209)572-0900 Fax(209)572-0916 <br /> Report# Q127-26 QC REPORT <br /> San Joaquin County Environmental Health <br /> 304 E.Weber 3rd Floor <br /> Stockton CA 95202 <br /> x <br /> + MS MSD LCS <br /> p <br /> Analyte Method Batch # Dates Analyzed Orig. Dupl. %Rec %Rec RPD %Rec Blank Comments <br /> Antimony 6010B 102638 5/7.0/04 124.8 122.4 1.9 130.0 ND <br /> Arsenic6010B I02635 5/10/04 103.8 103.8 0.0 110.2 ND <br /> Barium 6010B I02692 5/10/04 110.4 110.4 * 0.0 ND Sample analyte concentration too high to spike. <br /> Beryllium 6010B I02693 5/10/04 92.4 92.4 0.0 92.4 ND <br /> Cadmium 6010B I02636 5/10/04 104.0 103.2 0.8 106.6 ND <br /> Total Chromium 6010B I02634 5/10/04 118.0 119.0 * 0.8 ND Sample analyte concentration too high to spike. <br /> Cobalt 6010B _ 102694 5/1-0/04 109.6 109.8 0.2:_ 112.6 ND <br /> tt, Copper 6010B 102633 5/10/04 118.0 118.0 0.0 ND Sample analyte concentration too high to spike. <br /> Lead 6010B I02639 5/10/04 100.6 98.4 2.1 112.4 ND <br /> Mercury 7470A I02667' 5/10/04. 86.0• 86.0'" 0:0 88.0- ND. <br /> Molybdenum 6010B 102665 5/10/04 101.6 102.4 0.7 106.0 ND <br /> Nickel 6010B I02695 5/10/04 107.4 107.4 0.0 112.0 ND <br /> Selenium 6010E I02666 5/10/04 84.0 82.6 1.6 91.2 ND <br /> Silver 6010B 102696 5/10/04 103.7 102.6 L1 ND Sample analyte concentration too high to spike. <br /> Thallium 6010B I02637 5/10/04 101.0 100.2 0.8 110.6 ND <br /> Vanadium 60108 . 102697 5/10/04 107.8 108.4 * 0.6 ND Sample analyte concentration too high t .le. <br /> Zinc 6010B I02698 5/10/04 108.2 108.6 * 0.4 ND Sample analyte concentration too high to spike. <br /> I <br /> *LCSILCSD (see comments) <br /> it B mbay a Donna Keller <br /> Inorganic Supervisor Certification # 1157 Laboratory Director <br />