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03/16/2004 17:41 2095720916 GEO PAGE 05/08 <br /> GeoAnalytical Laboratories, Inc. <br /> 1405 Kansas Avenue Modesto,CA 95351 Phone(209) 572-0900 Fax(209)572-0916 <br /> CERTIFICATE OF ANALYSIS <br /> Report# Q062-21 Date: 3/16/04 <br /> San Joaquin County Environmental Health Date Rec'd: 3/2/04 <br /> 304 E.Weber 3rd Floor Source: Date Started: 3/9/04 <br /> Date Completed3/13/04 <br /> Stockton CA 95202 <br /> Project: 1313 S.Stockton Date Samplede 2/26/04 <br /> Time: <br /> Sampler. Dennis Catanyag <br /> Sample ID: ]teplicate <br /> Lab ID: Q200273 <br /> Aquatic Toxicity <br /> Teat Type: 96hr static acute Control 62.5mg/L 125 mg/L250 mg/L500 mg/L760 mg/L <br /> Dilution Water: Reconstituted DI Water Initial PH 7.5 7.4 7.5 7.5 7.4 715 <br /> Species: Pimephales Promotes 319/04 D.O. 8.1 6.3 7.8 7.9 8.3 8.4 <br /> Common Name: Fathead Minnow Temp.°C 20.8 20,5 20.5 20.6 20.6 20.6 <br /> Supplier: Thomas Fish Company <br /> Dilution Volume: 20,000 ml 24 HCS. PH 7.4 7.5 7.5 7.4 7.4 7.5 <br /> #Fish per Dilution:20 3110104 D.O. 8.4 8.2 8.4 8.3 6.7 8.1 <br /> Dead In Acclimation Tank <1% Temp."C 20.8 20.9 20.9 20.8 20.8 20.7 <br /> Average Length: 40mm Mortalities 0 0 0 0 0 0 <br /> Average Weight: 0.478 48 Mrs. PH 7.5 7.4 7.5 7.5 7.4 7.5 <br /> 3111/04 D.O. 8.3 8.1 8.1 8.1 8.4 8.0 <br /> Temp•°C 21.3 21.3 21.4 21.3 21.2 21.2 <br /> Mortalities 0 0 0 0 0 0 <br /> Initial Control Hardness 32 72 Mrs. PH 7.5 7.4 7.5 7.4 7.4 7.5 <br /> Final Control Hardness 32 3112104 D.O. 8.7 8.4 8.4 8.4 8.2 8.2 <br /> Temp.^C 20.6 2D..7 20.6 20.6 20.6 20.6 <br /> Mortallties 1 0 0 0 0 0 <br /> 96 Mrs. pH 7,4 7.4 7.5 7.4 7.5 7.5 <br /> 3/13104 D.O. 8.2 8.0 8.1 8.0 7.8 7.6 <br /> Temp.-C 20.8 20.6 20.9 20.9 20.9 20.8 <br /> Mortalities 1 0 0 0 1 0 <br /> Total Mortalities 2 0 0 0 1 0 <br /> Notes <br /> Kanti Gandhi Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />