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Gees .nalytical Laboratories, ..nc. <br />1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br />CERTIFICATE OF ANALYSIS <br />Report# K278-08 96 hr Fish Bioassay Date: 10/13/99 <br />San Joaquin County Date Recd: 10/5/99 <br />PO Box 2009 Date Started: 10/8/99 <br />Stockton CA .01 Date Completed: 10/12/99 <br />Project: Date Sampled: 10/l/99 <br />Time: 5:09 pm <br />Sampler: Vedal Pedraza <br />Sample ID: QBR 1A/1B/Replicate <br />Lab ID: K35901 <br />Aquatic Toxicity <br />Test Type: EPA/600/4-90/027 <br />Control <br />250 mg/L 400 mg/L 500 mg/1-600 mg/1-750 mg/L <br />Dilution Water: Reconstituted DI Water <br />Initial <br />pH <br />7.79 <br />7.77 <br />7.81 <br />7.77 <br />7.77 <br />7.71 <br />Species: Pimephales Promelas (Larval) <br />D.O. <br />7.13 <br />7.03 <br />6.91 <br />6.84 <br />6.73 <br />6.59 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />Common Name: Fathead Minnow <br />Supplier: Aquatic Resources <br />Dilution Volume: 2000 ml <br />24 HCS. <br />pH <br />7.74 <br />7.76 <br />7.77 <br />7.75 <br />7.77 <br />7.72 <br />#Fish per Dilution:20 <br />D.O. <br />6.68 <br />6.54 <br />6.47 <br />6.48 <br />6.40 <br />6.48 <br />Dead in Acclimation Tank: 1 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />Average Length: NA <br />Mortalities <br />0 <br />0 <br />2 <br />1 <br />2 <br />2 <br />Average Weight: NA <br />48 HCS. <br />pH <br />7.73 <br />7.69 <br />7.70 <br />7.73 <br />7.76 <br />7.70 <br />D.O. <br />6.51 <br />6.29 <br />6.36 <br />6.41 <br />6.25 <br />6.18 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />Mortalities <br />0 <br />2 <br />1 <br />1 <br />2 <br />1 <br />Initial Control Hardness 80 <br />72 HCS. <br />pH <br />7.68 <br />7.63 <br />7.70 <br />7.70 <br />7.72 <br />7.72 <br />Final Control Hardness 80 <br />D.O. <br />6.39 <br />6.04 <br />6.01 <br />6.11 <br />6.08 <br />6.01 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />Mortalities <br />0 <br />0 <br />0 <br />1 <br />0 <br />1 <br />96 I-IrS. <br />pH <br />7.68 <br />7.66 <br />7.69 <br />7.70 <br />7.70 <br />7.71 <br />D.O. <br />6.38 <br />5.86 <br />5.77 <br />5.99 <br />5.67 <br />5.70 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />Mortalities <br />0 <br />0 <br />0 <br />0 <br />0 <br />1 <br />Total Mortalities <br />0 <br />2 <br />3 <br />3 <br />4 <br />5 <br />Notes <br />Ramiro Salgadir <br />Chemist <br />Certification # 1157 <br />Donna Keller <br />Laboratory Director <br />