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Report # K278-08 <br />GenalY tical Laboratories, ..nc. <br />1405 Kansas Avenue Modesto, CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br />CERTIFICATE OF ANALYSIS <br />96 hr Fish Bioassay Date: 10/13/99 <br />San Joaquin County <br />PO BOX 2009 <br />Stockton CA .01 <br />Project: <br />Sample ID: QBR 2A/213 <br />Lab ID: K35902 <br />Test Type: <br />EPA/600/4-90/027 <br />Dilution Water: <br />Reconstituted DI Water <br />Species: <br />Pimephales Promelas (Larval) <br />Common Name: <br />Fathead Minnow <br />Supplier: <br />Aquatic Resources <br />Dilution Volume: <br />2000 ml <br />#Fish per Dilution: <br />20 <br />Dead in Acclimation Tank: 0 <br />Average Length: <br />NA <br />Average Weight: <br />NA <br />Initial Control Hardness 80 <br />Final Control Hardness 80 <br />Date Rec'd: 10/5/99 <br />Date Started: 10/8/99 <br />Date Completed: 10/12/99 <br />Date Sampled: 10/1/99 <br />Time: 5:16 pm <br />Sampler: Vedal Pedraza <br />Aquatic Toxicity <br />Notes <br />Using the EPA Probit Analysis Program the estimated LC50 value from mortalities observed in this test is 810. <br />17 <br />Ramiro Salgado <br />Chemist <br />Certification # 1157 <br />111 c1_ -^_* ti- �� 4j <br />Donna Keller <br />Laboratory Director <br />Control <br />250 mg/1-400 mg/1-500 mg/1-600 mg/1-750 mg/L <br />Initial <br />pH <br />7.79 <br />8.99 <br />9.04 <br />9.04 <br />9.23 <br />9.39 <br />D.O. <br />6.75 <br />6.70 <br />6.66 <br />6.53 <br />6.44 <br />6.29 <br />Temp.°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />20°C <br />24 HCS. <br />pH <br />7.76 <br />8.97 <br />9.03 <br />9.02 <br />9.20 <br />9.36 <br />D.O. <br />6.62 <br />6.59 <br />6.48 <br />6.35 <br />6.21 <br />6.05 <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 />2 <br />3 <br />3 <br />3 <br />48 HCS. <br />pH <br />7.74 <br />8.99 <br />9.04 <br />9.02 <br />9.19 <br />9.36 <br />D.O. <br />6.48 <br />6.40 <br />6.35 <br />6.26 <br />6.10 <br />5.86 <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 />1 <br />0 <br />1 <br />2 <br />72 HCS. <br />pH <br />7.68 <br />9.00 <br />9.01 <br />9.03 <br />9.19 <br />9.35 <br />D.O. <br />6.41 <br />6.22 <br />6.11 <br />6.09 <br />5.70 <br />5.55 <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 />1 <br />0 <br />96 Hrs. <br />pH <br />7.64 <br />8.95 <br />9.00 <br />9.02 <br />9.21 <br />9.33 <br />D.O. <br />6.30 <br />6.00 <br />5.79 <br />5.62 <br />5.36 <br />5.20 <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 />Total Mortalities <br />0 <br />2 <br />3 <br />4 <br />5 <br />6 <br />Notes <br />Using the EPA Probit Analysis Program the estimated LC50 value from mortalities observed in this test is 810. <br />17 <br />Ramiro Salgado <br />Chemist <br />Certification # 1157 <br />111 c1_ -^_* ti- �� 4j <br />Donna Keller <br />Laboratory Director <br />