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03/16/2004 17:41 2095720416 GEO PAGE 03/08 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone (209)572-0900 Pax (209)572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# Q062-21 Date: 3/16/04 <br /> San Joaquin County Environmental Health Somme: Date Recd: 3/2/04 <br /> 304 H.Weber 3rd Floor Date Started: 3/9/04 <br /> Date Completed:3/13/04 <br /> Stockton CA 95202 <br /> Project: 1313 5.Stockton Date Sampled: 2/26/04 <br /> Time: <br /> Sampler. Dennis Catanyag <br /> Sample ID: Replicate <br /> Lab ID: Q200272 <br /> Aquatic Toxicity <br /> Test Type: 96hr static acute Control 62.5mg/L 125 mg/1-250 mg/1.500 mg/1-750 mg/1- <br /> Dilution <br /> g/LDilution Water: Reconstituted DI Water Initial PH 7.4 7.4 7.5 7.4 7.5 7.5 <br /> Species: Pimephales Promelas 3/9/04 D.O. 8.5 8.7 8.4 6.1 7.8 8.3 <br /> Common Name: Fathead Minnow Temp-9C 20.4 20.5 20.6 20.6 20.5 20.5 <br /> Supplier: Thomas Fish Company <br /> Dilution Volume: 20,000 ml 24 Mrs. PH 7.4 7.5 7.5 7.4 7.5 7.4 <br /> #Fish per Dilution;20 3/10/04 D.D. 8.3 8.2 7.8 7.5 7.3 7.9 <br /> Dead in Acclimation Tank: <1% Temp-OC 20.7 20.6 20.8 20.8 20.9 20.8 <br /> Average Length: 40mm Mortalities 0 0 0 0 1 1 <br /> Average Weight: 0.478 48 Mrs. PH 7.4 7.5 7.5 7.5 7.5 7.4 <br /> 3/11/04 D.O. 7.8 8.3 7.5 7.9 8.1 7.7 <br /> Temp.°C 21.3 21.3 21.2 21.3 21.2 21.2 <br /> Mortalities 0 0 0 0 0 0 <br /> Initial Control Hardness 32 72 Mrs. PH 7.4 7.5 7.6 7.5 7.4 7.4 <br /> Final Control Hardness 32 3/12/04 D.O. 7.7 8.8 7B 8.2 8.2 8.1 <br /> Temp.°C 20.7 20.6 20.7 20.8 20.7 20.7 <br /> Mortalities 0 0 0 0 0 0 <br /> 96 Mrs. PH 7.4 7.4 7.5 7,5 7.4 7A <br /> 3/13/04 D.O. 6.1 8.4 7.9 6.2 7.9 8.2 <br /> Temp.^C 20.9 20.9 20.8 21.0 21.0 20.5 <br /> Mortalities 0 0 0 1 2 3 <br /> Total Mortalities 0 0 0 1 3 4 <br /> Notes <br /> Kanti Gandhi Donna Keller <br /> Chemist Certification # 1,1.57 Laboratory Director <br />