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11/15/2004 11:21 2095720916 GED PAGE 03105 <br />GeoAnalytical Laboratories, Inc. <br />1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br />Report # Q289-01 CERTIFICATE OF ANALYSIS <br />Date: 11/12/04 <br />San Joaquin County Environmental Health <br />So <br />304 E. Weber 3rd Floor Source: <br />Date Recd: <br />Date Started: <br />10/15/04 <br />11/6/04 <br />Stockton CA 95202 <br />Date Completed:11/10/04 <br />Project: Cherokee Main <br />Date Sampled: <br />10/14/04 <br />7.4 <br />Time: <br />1:53 pm <br />Species: Pimephales Promelas <br />Sampler: <br />D.O. <br />Sample ID: Replicate <br />8.3 <br />8.8 <br />Lab ID: Q307093 <br />8.6 <br />8.4 <br />Aquatic Toxicity <br />Test Type: 96hr static acute <br />Control <br />62.5mg/L 125 mg/L250 mg/1-500 mg/1-750 mg/L <br />Dilution Water: Reconstituted DI Water <br />Initial <br />pH <br />7.3 <br />7.4 <br />7.5 <br />7.4 <br />7.4 <br />7.4 <br />Species: Pimephales Promelas <br />11/6/04 <br />D.O. <br />8.7 <br />8.3 <br />8.8 <br />8.9 <br />8.6 <br />8.4 <br />Common Name: Fathead Minnow <br />Temp.°C <br />20.6 <br />20.5 <br />20.5 <br />20.5 <br />20.4 <br />20.4 <br />Supplier: Thomas Fish Company <br />Dilution Volume: 20,000 ml <br />24 Hrs. <br />pH <br />7.3 <br />7.4 <br />7.4 <br />7.5 <br />7.2 <br />7.4 <br />#Fish per Dilution; 20 <br />11/7104 <br />D.O. <br />8.4 <br />8.0 <br />8.5 <br />8.3 <br />8.5 <br />8.8 <br />Dead in Acclimation Tank: <1% <br />Temp,°C <br />21.3 <br />21.2 <br />21.2 <br />21.3 <br />21.4 <br />21.4 <br />Average Length: 36 mm <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Average Weight: 0.56 g <br />48 Hrs. <br />pH <br />7.4 <br />7.3 <br />7.4 <br />7.5 <br />7.2 <br />7.4 <br />11/8/04 <br />D.O. <br />82 <br />8.4 <br />8.3 <br />8.6 <br />8.4 <br />8.5 <br />Temp.°C <br />20.7 <br />20.7 <br />20.6 <br />20.6 <br />20.7 <br />20.7 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Initial Control Hardness 45 mg/L <br />72 Hrs. <br />pH <br />7.4 <br />7.3 <br />7.3 <br />7.4 <br />7.3 <br />7.4 <br />Final Control Hardness 49 mg/L <br />11/9/04 <br />D.O. <br />8.5 <br />7.8 <br />8.2 <br />8.7 <br />8.3 <br />8.7 <br />Temp.°C <br />20.4 <br />20.5 <br />20.5 <br />20.5 <br />20.4 <br />20.4 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />96 Hrs. <br />pH <br />7.3 <br />7.3 <br />7.4 <br />7.4 <br />7.3 <br />7.4 <br />11/10/04 <br />D.O. <br />8.6 <br />8.1 <br />8.4 <br />8.3 <br />8.3 <br />8.4 <br />Temp.°C <br />20.3 <br />20.3 <br />20.4 <br />20.4 <br />20.4 <br />20.4 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Total Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Notes <br />There was aeration used for all tanks, <br />there were no pH <br />adjustments needed for this test <br />41�.5 <br />Kanti Gandhi <br />Chemist <br />Certification # 1157 <br />P"-' <br />UL 1) <br />Donna Keller <br />Laboratory Director <br />