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Geo'knalytical Laboratories,`Ii 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 Recd: 11/29/99 <br /> 222 E.Weber Avenue Source: Date <br /> Started: 12/3/99 <br /> Stockton CA 95202 <br /> Date Completed: 12/7/99 <br /> Project: Date Sampled: 11/17/99 <br /> Time: 11:00am <br /> Sampler: L.Briggs/A.Youngblood <br /> Sample ID: Replicate <br /> Lab ID: K23663 <br /> Aquatic Toxicity <br /> Test Type: EPA/600/4-90/027F Control 10 mg/L 50 mg/L 100 mg/1-250 mg/L500 mg/L <br /> Dilution Water: Reconstituted DI Water Initial pH 7.72 7.75 7.79 7.82 7.84 7.86 <br /> Species: Pimephales Promelas (Larval) 12/3/99 D.O. 8.61 8.60 8.61 8.60 8.57 8.49 <br /> Common Name: Fathead Minnow Temp.oC 18.9 19.2 19.3 19.0 19.1 19.1 <br /> Supplier: Aquatic Resources <br /> Dilution Volume: 2000 ml 24 HCS. pH 7.70 7.74 7.76 7.74 7.79 7.78 <br /> #Fish per Dilution:20 12/4/99 D.O. 8.48 8.27 8.19 7.97 7.55 7.33 <br /> Dead in Acclimation Tank: 0 Temp.oC 19.5 19.3 19.2 19.4 19.0 19.1 <br /> Average Length: NA Mortalities 0 3 3 3 4 7 <br /> Average Weight: NA 48 HI's. pH 7.68 7.72 7.75 7.76 7.78 7.76 <br /> 12/5/99 D.O. 8.33 7.69 8.55 8.32 6.96 6.80 <br /> Temp.oC 19.9 19.8 19.9 19.9 20.1 20.2 <br /> Mortalities 0 1 2 2 2 2 <br /> Initial Control Hardness 80 72 Hrs. pH 7.65 7.74 7.77 7.76 7.77 7.79 <br /> Final Control Hardness 80 12/6/99 D.O. 8.27 7.30 7.22 7.01 6.82 6.36 <br /> Temp.oC 19.8 20.2 20.4 20.5 20.2 20.4 <br /> Mortalities 0 0 1 1 2 1 <br /> 96 His. pH 7.63 7.72 7.74 7.73 7.78 7.79 <br /> 12/7/99 D.O. 8.21 6.77 6.58 6.37 6.04 5.31 <br /> Temp.°C 19.5 19.7 19.6 19.5 19.5 19.5 <br /> Mortalities 0 0 1 0 0 1 <br /> Total Mortalities 0 4 7 6 8 11 <br /> Notes <br /> / l�Gl,/I.CGGCD-yep„i <br /> Ramiro Salgad �� Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />