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GeorAnalytical Laboratories;lnc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209)572-0900 Fax (209)572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# R153-14 Date: 7/5/05 <br /> San Joaquin County Environmental Health Date Recd: 6/2/05 <br /> 304 E.Weber 3rd Floor Source: Date Started: 6/27/05 <br /> Stockton CA 95202 Date Completed:7/1/05 <br /> Project: 197216 Date Sampled: 6/1/05 <br /> Time: <br /> Sampler. <br /> Sample ID: 1A <br /> Lab ID: R200654 <br /> Aquatic Toxicity <br /> Hazardous Screen <br /> Test Type: 96hr static acute Control 250 mg/1-750 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 7.6 7.5 7.5 <br /> Species: Pimephales Promelas 6/13/05 D.O. 7.7 7.2 6.5 <br /> Common Name: Fathead Minnow Temp.°C 21.4 21.5 21.5 <br /> Supplier: Thomas Fish Company <br /> Dilution Volume: 20,000 ml 24 HSS. pH 7.5 7.5 7.5 <br /> #Fish per Dilution:20 6/14/05 D.O. 7.8 7.3 6.5 <br /> Dead in Acclimation Tank: 0 Temp.°C 21.6 21.5 21.6 <br /> Average Length: 38 mm Mortalities 0 0 6 <br /> Average Weight: 0.37 g 48 HCS. pH 7.5 7.5 7.5 <br /> 6/15/05 D.O. 7.6 7.5 6.6 <br /> Temp.°C 21.5 21.5 21.5 <br /> Mortalities 0 0 4 <br /> Initial Control Hardness 33.6 mg/L 72 Hrs. pH 7.5 7.6 7.6 <br /> Final Control Hardness 35.9 mg/L 6/16/05 D.O. 7.5 7.4 6.6 <br /> Temp.°C 21.5 21.5 21.5 <br /> Mortalities 0 0 0 <br /> 98 Hrs. pH 7.5 7.4 7.5 <br /> 6/17105 D.O. 7.4 7.2 6.5 <br /> Temp.°C 21.5 21.5 21.5 <br /> Mortalities 0 0 0 <br /> Total Mortalities 0 0 10 <br /> Notes <br /> The LC50 is less than 500 mg/L. <br /> Hazardous screen only; see results of definitive test. <br /> 44'L 5�m� ' <br /> Kanti Gandhi Donna Keller <br /> Chemist Certification # 2585 Laboratory Director <br />