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Ge6Analytical Laboratories;Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209)572-0900 Fax (209)572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# 8153-14 Date: 7/5/05 <br /> San Joaquin County Environmental Health Source: Date Rec'd: 6/2/05 <br /> 304 E.Weber 3rd Floor Date Started: 6/27/05 <br /> Stockton CA 95202 Date Completed:7/1/05 <br /> Item# <br /> Project: 197216 Date Sampled: 6/1/05 <br /> Time: <br /> Sampler. <br /> Sample ID: lA <br /> Lab ID: R200654 <br /> Aquatic Toxicity <br /> Definitive Test <br /> Test Type: 96hr static acute Control 100 mg/1-250 mg/1-400 mg/L500 mg/1-750 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 6.0 7.3 7.3 7.5 7.6 7.6 <br /> Species: Pimephales Promelas 6/27/05 D.O. 7.6 7.4 7.5 7.5 7.5 7.6 <br /> Common Name: Fathead Minnow Temp.°C 21.2 21.1 21.1 21.1 21.2 21.1 <br /> Supplier: Thomas Fish Company <br /> Dilution Volume: 20,000 mi 24 Hrs. pH 6.0 7.3 7.3 7.5 7.5 7.6 <br /> Wish per Dilution:20 6/28/05 D.O. 7.5 7.4 7.4 7.5 7.4 7.5 <br /> Dead in Acclimation Tank: 0 Temp.°C 21.3 21.2 21.3 21.3 21.3 21.3 <br /> Average Length: 37 mm Mortalities 0 0 0 0 3 1 <br /> Average Weight: 0.37 g 48 Ht's. pH 6.0 7.3 7.2 7.5 7.6 7.6 <br /> 6/29/05 D.O. 7.4 7.3 7.4 7.4 7.4 7.4 <br /> Temp.°C 21.3 21.3 21.3 21.3 21.3 21.3 <br /> Mortalities 0 0 0 0 1 0 <br /> Initial Control Hardness 43.0 mg/L 72 Hrs. pH 5.9 7.2 7.2 7.5 7.6 7.6 <br /> Final Control Hardness 52.9 mg/L 6/30/05 D.O. 7.4 7.3 7.4 7.5 7.4 7.3 <br /> Temp.°C 21.2 21.1 21.1 21.2 21.1 21.1 <br /> Mortalities 0 0 0 0 0 0 <br /> 96 Hrs. pH 5.9 7.3 7.2 7.5 7.5 7.6 <br /> 7/1/05 D.O. 7.3 7.3 7.2 7.4 7.4 7.3 <br /> Temp.°C 21.3 21.3 21.2 21.2 21.1 21.2 <br /> Mortalities 0 0 0 0 0 1 <br /> Total Mortalities 0 0 0 0 4 2 <br /> Notes <br /> Using the EPA Probit Analysis Program the est. LC50 Value based on Mortalities is 847 mg/L <br /> Kanti Gandhi Donna Keller <br /> Chemist Certification #2585 Laboratory Director <br />