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~G~ <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: P&M Edna Mine <br />CDPS NO. CO-0032638 <br />OUTFALL:004 <br />TYPE TEST: ROUTINE: <br />ACCELERATED:XX <br />TEST SPECIES: P. Promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >100% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICzsPointEstimate >100°/a >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1415 PM 05/11/04. END 1455 PM 05/18/04 <br />DILUTION % EFFLUENT <br />MEASUREMENTS CONTROL 12.5% 28.6% 50% 75% 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 97.5 95 92.5 100 100 <br />Da 7 100 97.5 90 92.5 92.5 100 <br /> <br />Mean # rowth 0.580 0.627 0.642 0.705 0.599 0.643 <br /> <br />H (Maximum/Minimum 8.3/7.9 8.3/7.9 8.3/8.0 8.2/8.0 8.2/8.0 8.3/7.9 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI" (mg/Ij: <0.1 <br />HARDNESS (mg/l): REC'V WATER: ~r~EFFLUENT: 2972 RECON WATER: 137 <br />ALKALINITY (mg/p: REC'V WATER: EFFLUENT: 98 RECON WATER: 85 <br />TOTAL AMMONIA (mg/I): INITIAL 100%: <1.0 FINAL 100%' <1 0 <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: <br />G ~~, <br />F-528 <br />