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ADDRESS ALL CORRESPONDENCE TO: <br />COMMERCIAL TESTING & ENGINEERING CO. <br />4665 PARIS STREET, SUITE f3-200 <br />DENVER, CO 60239 <br />TEL: (3031373-4772 <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC FAX: (303) 3734791 <br />PERMITTEE: P & M Edna Mine CDPS NO. CO-0032638 OUTFACE: 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >100% Fisher/Dunnett's <br />Pass/Fail Pass N/A <br />IC~PointEstimate 68.8% >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1145 AM 11/04/03 END 1035 AM 11/12/03 <br />DILUTION (% EFFLUENT) ' <br />MEASUREMENTS CONTROL 12.5% 28.6% 50% 75°k 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 100 100 100 100 100 <br />Da 5 100 100 100 100 100- 100 <br />Da 6 100 90 100 100 100 100 <br />Da 7 100 70 100 100 70 80 <br /> <br />Mean 3 Brood Total 5.8 3.0 9.2 6.4 6.4 7.0 <br /> <br />H Maximurn/Minimum 8.7/7.9 8.5/8.0 8.6/8.0 8.5/8.1 8.5/8.1 8.6/8.0 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/l): <0.1 <br />HARDNESS (mg/D: REC'V WATER: EFFLUENT: 2540 RECON WATER: 132 <br />ALKALINITY (mgli): REC'V WATER: EFFLUENT: 293 RECON WATER: 83 <br />i TOTAL AMMONIA (mo/q: INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />.~ <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />.- IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />~! LABORATORY: SGS MINERALS SERVICES DIVISION ANALYST ~,-I~~ <br />~~ <br />'] Commercial Testing & Engineering Co. Minerals Services -Corporate Office <br />1979 S. Highland Ave„ Suite 2108, lomhard, IL 60148 t 16301953-9300 f (6301953-9306 wwwsgs.com <br />r, F~ - T MemEer a/Me SGS Graup (SOeifffi °6nBrele tla Survaillancel <br />