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.10/26/2004 17:09 209577x916 GEO PAGE 03/05 <br />GeoAnalytical Laboratories, Inc. <br />1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br />CERTIFICATE OF ANALYSIS <br />Date: 10/26/04 <br />Report # Q289-01 <br />Date Recd: 10/15/04 <br />San Joaquin County Environmental Health Source: Date Started: 10/22/04 <br />304 E, Weber 3rd Floor Date Completed:10/26/04 <br />Stockton CA 95202 <br />Date Sampled: 10/14/04 <br />Project: Cherokee Main Time: 12:10 pm <br />Sampler. <br />Sample ID: Replicate <br />Lab ID: Q307094 <br />Test Type: <br />96hr static acute <br />Dilution Water: <br />Reconstituted DI Water <br />Species: <br />Pimephales Promelas <br />Common Name: <br />Fathead Minnow <br />Supplier: <br />Thomas Fish Company <br />Dilution Volume: <br />20,000 ml <br />#Fish per Dilution:20 <br />Dead in Acclimation Tank: c1% <br />Average Length: <br />34 mm <br />Average Weight: <br />0.54 g <br />Initial Control Hardness 39 mg/L <br />Final Control Hardness 44 mg/L <br />Aquatic Toxicity <br />Notes <br />Note: All tanks are aerated, no pH adjustments are necessary for this test <br />:�7 o -'Q1'1 - <br />Kanti Gandhi <br />Chemist <br />Certification # 1157 <br />Donna Keller <br />Laboratory Director <br />Control <br />6.25% <br />125 mg/1-250 mg/L 500 mg/1-750 mg/L <br />PH <br />7.3 <br />7.3 <br />7.3 <br />7.2 <br />7.1 <br />7.1 <br />Initi al <br />Initl04 <br />D.O. <br />8.4 <br />8.3 <br />8.2 <br />8.2 <br />8,3 <br />8.3 <br />Temp.°C <br />20.5 <br />20.6 <br />20.5 <br />20.6 <br />20.6 <br />20.6 <br />PH <br />7.3 <br />7.3 <br />7.3 <br />7.2 <br />7.2 <br />7.2 <br />24 HCS. <br />D.O. <br />8.3 <br />8.1 <br />8.4 <br />7.9 <br />7.9 <br />7.9 <br />10/23/04 <br />Temp.°C <br />20.6 <br />20.7 <br />20.6 <br />20.7 <br />20.8 <br />20.8 <br />1 <br />0 <br />0 <br />0 <br />Mortalities <br />48 I -Ir$. <br />PH <br />7.3 <br />7.2 <br />7.3 <br />7.2 <br />7.3 <br />7.4 <br />7.2 <br />7.4 <br />10/24/04 <br />D.O. <br />7.9 <br />7.5 <br />7.9 <br />21.4 <br />7.4 <br />21.4 <br />21.5 <br />21 6 <br />Ternp °C <br />21.4 <br />21.4 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Mortalities <br />72 Hrs. <br />PH <br />7.2 <br />7.2 <br />7.3 <br />7.2 <br />7.3 <br />7.2 <br />7.2 <br />10/25/04 <br />D.O. <br />8.4 <br />7.8 <br />7.5 <br />7.1 <br />7.1 <br />20.8 <br />20,8 <br />Temp.°C <br />20.9 <br />20.8 <br />20.8 <br />20.9 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Mortalities <br />96 Mrs. <br />pH <br />7.2 <br />7.3 <br />7.2 <br />7.1 <br />7.1 <br />7.2 <br />10/26/04 <br />D.O. <br />8.4 <br />7.5 <br />7.4 <br />6.9 <br />6.8 <br />6.5 <br />21.7 <br />Temp.'C <br />21.6 <br />21.7 <br />21.6 <br />21.7 <br />210.7 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />1 <br />0 <br />0 <br />O <br />0 <br />0 <br />Total Mortalities <br />Notes <br />Note: All tanks are aerated, no pH adjustments are necessary for this test <br />:�7 o -'Q1'1 - <br />Kanti Gandhi <br />Chemist <br />Certification # 1157 <br />Donna Keller <br />Laboratory Director <br />