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Ge RnalY tical <br />Laboratories, .:nc. <br />1405 Kansas Avenue Modesto, CA 95351 <br />Phone (209) 572-09,00 Fax (209) 572-0916 <br />CERTIFICATE OF ANALYSIS <br />Report # Q048-14 <br />San Joaquin County Environmental Health Source: <br />304 E. Weber 3rd Floor <br />Stockton CA 95202 <br />Project: 356257 <br />Sample ID: Replicate <br />Lab ID: Q200206 <br />Aquatic Toxicity <br />Date: 2/27/04 <br />Date Rec'd: 2/17/04 <br />Date Started: 2/22/04 <br />Date Completed:2/26/04 <br />Date Sampled: 2/13/04 <br />Time: 1:15pm <br />Sampler: Dennis Catanyag <br />Test Type: 96hr static acute <br />Control <br />62.5mg/L 125 mg/1-250 mg/1-500 mg/1-750 mg/L <br />Dilution Water: Reconstituted DI Water <br />Initial <br />pH <br />7.5 <br />7.4 <br />7.5 <br />7.5 <br />7.4 <br />7.4 <br />Species: Pimephales Promelas <br />2/22/04 <br />D.O. <br />8.6 <br />8.7 <br />8.5 <br />8.5 <br />8.5 <br />8.7 <br />Common Name: Fathead Minnow <br />Temp.°C <br />20.6 <br />20.6 <br />20.4 <br />20.5 <br />20.4 <br />20.5 <br />Supplier: Thomas Fish Company <br />Dilution Volume: 20,000ml <br />24 HCS. <br />pH <br />7.4 <br />7.4 <br />7.5 <br />7.5 <br />7.4 <br />7.3 <br />#Fish per Dilution: 20 <br />2/23/04 <br />D.O. <br />8.2 <br />8.1 <br />8.3 <br />8.7 <br />8.2 <br />8.3 <br />Dead in Acclimation Tank: <1% <br />Temp.°C <br />20.7 <br />20.6 <br />20.7 <br />20.8 <br />20.6 <br />20.6 <br />Average Length: 43.6mm <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Average Weight: 0.56g <br />48 HCS. <br />pH <br />7.3 <br />7.4 <br />7.5 <br />7.5 <br />7.4 <br />7.3 <br />2/24/04 <br />D.O. <br />7.8 <br />7.7 <br />7.8 <br />7.8 <br />7.7 <br />7.9 <br />Temp.°C <br />20.0 <br />20.1 <br />20.1 <br />20.2 <br />20.3 <br />20.2 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />1 <br />0 <br />Initial Control Hardness 44mg/L as CaCO3 <br />72 HCS. <br />pH <br />7.3 <br />7.4 <br />7.4 <br />7.4 <br />7.4 <br />7.4 <br />Final Control Hardness 44mg/L as CaCO3 <br />2/25/04 <br />D.O. <br />7.6 <br />7.3 <br />7.5 <br />7.5 <br />7.2 <br />7.5 <br />Temp.°C <br />20.5 <br />20.5 <br />20.4 <br />20.6 <br />20.6 <br />20.6 <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />96 HCS. <br />pH <br />7.3 <br />7.4 <br />7.4 <br />7.4 <br />7.3 <br />7.4 <br />2/26/04 <br />D.O. <br />7.4 <br />6.9 <br />7.2 <br />7.0 <br />6.8 <br />7.2 <br />Temp.°C <br />20.7 <br />20.8 <br />20.7 <br />20.7 <br />20.8 <br />20.8 <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 />1 <br />0 <br />Notes <br />There were no significant mortalities observed in this test. <br />-L �"� <br />Kanti Gandhi <br />Chemist <br />Certification # 1157 <br />cn- <br />ke' f� <br />Donna Keller <br />Laboratory Director <br />