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04/08/2004 12:17 2095720915 GEO PAGE 03/14 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209)572-0900 Fax (209) 572-0916 <br /> Report# Q079-08 CERTIFICATE OF ANALYSIS <br /> Date: 3/30/04 <br /> San Joaquin County Environmental Health Source. Date Recd: 3/18/04 <br /> 304 E.Weber 3rd Floor Date Started: 3/24/04 <br /> Stockton CA 95202 Date Completed:3/28/04 <br /> Project. Date Sampled: 3/12/04 <br /> Time: 3:455pm <br /> Sample 1D: Replicate Sampler. <br /> Lab ID: Q2003G8 <br /> Aquatic Toxicity <br /> Test Type: 96hr Static Acute Control 62.5mg/L 125 mg/1-250 mg/1-500 mg/1-750 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 7.4 7.5 7.5 7.5 7.6 7.6 <br /> Species: Pimephales Promelas 3/24/04 D.O. 8.2 8.5 8.5 8.5 8.4 8.3 <br /> Common Name: Fathead Minnow Temp.°C 20.3 20.2 20.3 20.3 20.3 20.3 <br /> Supplier: Thomas Fish Company <br /> Dilution Volume: 20,000 24 Firs. pH 7.4 7.5 7.5 7.5 7.5 7.6 <br /> #Fish per Dilution:20 3/25/04 D.O. 8.4 8.3 8.7 8.8 8.4 8.2 <br /> Dead in Acclimation Tank: <1 % Temp.°C 21.0 21.1 21.2 21.2 21.3 21.2 <br /> Average Length: 41 Mortalities 0 0 0 0 0 0 <br /> Average Weight: 0.51 48 Hrs. PH 7.4 7.5 7.5 7.5 7.6 7.6 <br /> 3/26/04 D.O. 8.2 8.4 8.5 8.5 8.4 8.4 <br /> Tamp.°C 20.5 20.6 20.5 20.5 20.5 20.5 <br /> Mortalities 0 0 0 0 0 0 <br /> Initial Control Hardness 45 72 HCS, pH 7.5 7.5 7.6 7.6 7.6 7.6 <br /> Final Control Hardness 45 3/27/04 D.O. 7.8 8.1 8.3 8.1 8.2 8.4 <br /> Temp.°C 20.3 20.2 20.3 20.3 20.3 20.3 <br /> Mortalities 0 0 0 0 0 0 <br /> 96 Hrs. pH 7.4 7.5 7.5 7.6 7.6 7.6 <br /> 3/28/04 D.O. 7.7 7.9 7.9 7.7 7.8 7.8 <br /> Temp.°C 20.3 20,2 20.3 20.2 20.3 20.3 <br /> Mortalities 0 0 0 0 0 0 <br /> Total Mortalities 0 0 0 0 0 0 <br /> Notes <br /> All tanks Aerated <br /> Kanti Gandhi <br /> Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />