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GeoXhalytical Laboratories;&c. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209) 572-0900 Fax (209) 572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# K333-07 Date: 12/10/99 <br /> San Joaquin County D.A., EPU Date Rec'd: 11/29/99 <br /> Source: Date Started: 12/3/99 <br /> 222 E.Weber Avenue Date Completed: 12/7/99 <br /> Stockton CA 95202 <br /> Project: Date Sampled: 11/17/99 <br /> 1 Time: 11:15am <br /> Sampler: L.Brip,Rs/A.YounRblood <br /> Sample ID: Replicate <br /> Lab ID: K23665 <br /> Aquatic Toxicity <br /> Test Type: EPA/600/4-90/027F Control 10 mg/L 50 mg/L 100 mg/1-250 mg/1-500 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 7.75 7.68 7.35 6.97 6.58 6.17 <br /> Species: Pimephales Promelas (Larval) 12/3/99 D.O. 8.42 8.26 8.22 7.82 7.77 7.75 <br /> Common Name: Fathead Minnow Temp.°C 19.3 19.2 19.1 19.3 19.2 19.4 <br /> Supplier: Aquatic Resources <br /> Dilution Volume: 2000 ml 24 HCS. pH 7.73 7.61 7.30 6.81 6.51 6.07 <br /> #Fish per Dilution:20 12/4/99 D.O. 8.40 8.20 8.04 7.69 7.57 7.51 <br /> Dead in Acclimation Tank: 0 Temp.°C 20.4 20.2 20.1 20.1 20.4 20.5 <br /> Average Length: NA Mortalities 0 3 7 6 6 8 <br /> Average Weight: NA 48 Hrs. pH 7.71 7.60 7.26 6.82 6.54 6.09 <br /> 12/5/99 D.O. 8.28 7.91 7.74 7.38 7.28 6.95 <br /> Temp.°C 19.4 19.7 19.6 19.3 19.7 19.6 <br /> Mortalities 0 2 1 0 2 1 <br /> Initial Control Hardness 80 72 Hrs. pH 7.62 7.60 7.27 6.83 6.53 6.11 <br /> Final Control Hardness 80 12/6/99 D.O. 8.19 7.62 7.36 7.14 6.93 6.67 <br /> Temp.°C 19.8 19.7 20.0 19.9 19.6 19.5 <br /> Mortalities 0 1 0 0 1 0 <br /> 96 HI's. pH 7.63 7.61 7.26 6.81 6.50 6.09 <br /> 12/7/99 D.O. 7.98 6.96 6.89 6.60 6.58 6.15 <br /> Temp.°C 19.3 19.4 19.2 19.5 19.4 19.8 <br /> Mortalities 0 0 0 1 0 0 <br /> Total Mortalities 0 6 8 7 9 9 <br /> Notes <br /> RamiroSalgadb '��� U Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />