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Geo alY tical Laboratories,%c. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# K141-08 96 hr Fish Bioassay Date: 5/28/99 <br /> 96 hr Fish Bioassay <br /> R.A.H. Environmental Inc. Date Recd: 5/21/99 <br /> 3310 Swetzer Rd. Date started: 6/3/99 <br /> Loomis CA-50 Date Completed: 6/7/99 <br /> Project: Lone-Star Plant-Tracy, CA Date Sampled: 5/21/99 <br /> Time: 1:50 pm <br /> �J Sampler: R Azevedo(Geo) <br /> Sample ID: RMC Bin <br /> Lab ID: K21849 4 A ; <br /> T r <br /> Aquatic Toxicity <br /> Test Type: EPA 600/4-85/013 Control 250 mg/L 400 mg/L 500 mg/L 600 mg/L 750 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 6.64 6.66 6.71 6.69 6.71 6.69 <br /> Species: Pimephales Promelas (Juvenile) 6/3/99 D.O. 7.82 8.53 8.58 8.72 8.71 8.76 <br /> Common Name: Fathead Minnow Temp.°C 20°C 20°C 20°C 20°C 20°C 20°C <br /> Supplier: Thomas Fish Farm <br /> Tank Volume: 10 Liters 24 Ht's. pH 6.62 6.58 6.65 6.67 6.65 6.66 <br /> # Fish per Tank: 20 6/4/99 D.O. 7.61 8.30 8.37 8.45 8.52 8.61 <br /> Dead in Acclimation Tank: <1 % Temp.°C 20°C 20°C 20°C 20°C 20°C 20°C <br /> Average Length: 34 mm Mortalities 0 0 0 0 0 0 <br /> Average Weight: 0.38 g 48 HCS. PH 6.57 6.52 6.61 6.61 6.53 6.55 <br /> 6/5/99 D.O. 7.34 7.95 7.88 8.11 8.17 8.33 <br /> Temp.°C 20°C 20°C 20°C 20°C 20°C 20°C <br /> Mortalities 0 0 0 0 0 0 <br /> Initial Control Hardness 40 mg CaCO3/L 72 Hrs. pH 6.54 6.43 6.58 6.56 6.53 6.49 <br /> Final Control Hardness 40 mg CaCO3/L 6/6/99 D.O. 7.05 7.68 7.52 7.76 7.89 7.91 <br /> Temp.°C 20°C 20°C 20°C 20°C 20°C 20°C <br /> Mortalities 0 0 0 0 0 0 <br /> 96 HCS. pH 6.52 6.39 6.56 6.54 6.47 6.41 <br /> 6/7/99 D.O. 6.87 7.34 7.27 7.52 7.58 7.65 <br /> Temp.°C 20°C 20°C 20°C 20°C 20°C 20°C <br /> Mortalities 0 0 0 0 0 0 <br /> Total Mortalities 0 0 0 0 0 0 <br /> Notes <br /> There were no Significant mortalities observed in this test. LC50 > 500 mg/L. <br /> ,,"Ramiro Salgado Donna Keller l` <br /> Chemist Certification # 1157 Laboratory Director <br />