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f <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# M169-16 Date 6/26/01 <br /> Advanced GeoEnvironmental,IncSo„ Date Rec'd 6/18/01 <br /> 837 Shaw Rd Date Started 6/19/01 <br /> Stockton CA 95215 Date Completed 6/23/01 <br /> Project Flag City Chevron Date Sampled 6/18/01 <br />' Time 10 OOAM <br /> Sampler <br /> Sample ID• Flag City Chevron-Effluent(Replicate) <br />' Lab ID M306046 <br /> Aquatic Toxicity <br /> Test Type EPA/600/4-90/027F Control 625% 25% 50% 75% 100% � <br />'Dilution Water Reonstituted DI Water initial pH 781 7 65 742 724 719 694 <br /> Species Pimephales Promelas (Larval) 6119101 DO 799 805 840 849 857 877 <br /> Common Name Fathead Minnow Temp°C 20 3 20 1 20 0 19 8 198 196 <br />'Supplier Aqua Tox <br /> Dilution Volume 2000 ml 24 Hrs. pH 717 7 62 7 36 722 7 17 694 <br /> #Fish per Dilution 20 6120101 DO 772 786 8 12 820 710 8 08 <br /> in Acclimation Tank <1% Temp'C 206 20 6 205 20 6 206 206 <br /> ge Length NA Mortalities 0 0 0 0 0 0 <br />'Average Weight NA 48 Hrs. pH 7 72 7 61 732 717 713 689 <br /> 6121/01 DO 7 56 7 50 7 83 7 92 677 740 <br /> Temp°C 20 2 20 2 20 2 20 2 20 2 202 <br /> Mortalities 0 0 0 0 0 0 <br /> Initial Control Hardness 90 72 Hrs. pH 765 754 732 715 7 09 6 88 <br /> Final Control Hardness 90 6/22101 D O 729 734 7 50 742 636 685 <br /> Temp°C 20 7 207 20 7 20 6 20 7 20 6 <br /> Mortalities 0 0 0 0 1 1 <br />' 96 Hrs. pH 764 752 731 715 7 06 6 87 <br /> 6/23101 DO 718 7 28 713 7 01 6 08 634 <br /> Temp°C 204 20 4 20 4 2005 204 20 4 <br /> Mortalities 0 0 0 0 0 1 <br /> Total Mortalities 0 0 0 0 1 2 <br /> Notes <br /> t <br /> t <br />' Ranuro Salgado Donna Keller <br /> Chemist Certification # 1157 Laboratory Director <br />