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09/09/2002 08: 47 5720916 GEOANALYTICAL l "' PAGE 02 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone(2091 572-0900 Fax (2091572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# N227-24 Date: 9/6/02 <br /> San Joaquin County Environmental Health Date Recd: 8/15/02 <br /> source: Date Started: 8/27/02 <br /> 304 E.Weber 3rd Floor Date Completed-.8/31/02 <br /> Stockton CA 95202 <br /> Pio eet Date Sampled: <br /> Time: <br /> Sampler: <br /> Sample ID: Replicate <br /> Lab M. N201997 <br /> Aquatic Toxicity <br /> Test Type: 96hr static acute Control 40 mg/L 50 mg/L 60 mg/L 70 mglL 80 mg/L <br /> Dilution Water: Reconsbuted QI Water Initial pH 7.5 7.5 7.5 7.6 7.5 7.5 <br /> Species: Pimephaies rroirri®ias 8/27102 D.O. 8.4 8.5 8.4 8.6 8.6 8.5 <br /> Temp.°C 21.0 20.9 20.9 21.0 20.9 20.8 <br /> Common Name: Fathead Minnow <br /> Supplier. Thomas Fish Company <br /> Dilution Volume: 20,000mi 24 Hrs, PH 7.4 7.4 7.3 7.5 7.4 7.5 <br /> #Fish per Dilution:20 8/28102 D.O. 8.1 7.8 8.1 8.4 8.4 8.4 <br /> r"oad in AocUmation Tank: <1% Temp.°C 21.4 212 21.3 21.3 21.2 21.3 <br /> rage Length: 38 mm Mortalities 0 1 2 ..4 5 4 <br /> Xv-erage Weight 0.46g 48 Hrs. PH 7.4 7.4 7.4 7.5 7.4 7.6 <br /> 8129/02 D.0_ 7.6 7.7 7.6 8.0 7.9 7.8 <br /> Temp.°C 21.4 21.5 21.4 21.3 21.4 21.4 <br /> Mortalities 0 0 0 1 0 3 <br /> initial Control Hardness 45 72 Hrs_ PH 7.4 7.3 7.4 7.4 7.4 7.4 <br /> Final Control Hardness 45 8130/02 DO. 7.3 7.1 7.4 7.6 7.7 7.3 <br /> Temp.°C 20.7 20.6 20.6 20.5 20.5 20.5 <br /> Mortalities 0 1 0 0 0 0 <br /> 90 Hrs. pH 7.4 7.3 7.4 7.4 7.4 7.3 <br /> 8/31102 0.0. 6.7 6.8 7.4 7.3 7,4 6.8 <br /> Temp.°C 21.0 21.0 21.1 21.2 21.2 21.2 <br /> Mortalities 0 0 0 0 0 0 <br /> Total Mortalities 0 2 2 5 5 7 <br /> Notes <br /> Jo i Som ala Donna Keller <br /> Inorganic Supervisor Certification 1157 Laboratory Director <br />