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~- <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: P & M Edna Mine <br />CDPS NO.: CO-0032638 <br />OUTFACE: 004 <br />TYPE TEST: ROUTINE: XX <br />ACCELERATED: <br />TEST SPECIES: P. aromelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical D'rfference 12.5°l0 >100% Dunnett's <br />Pass/Fail Fail N/A <br />IC Point Estimate 21% >100% Bootstra <br />Pass/Fail Fail N/A <br />TEST TIME & DATE START 1305 PM 03/16/04 END 1325 PM 03/23/04 <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 95 97.5 100 100 100 <br />Da 4 100 95 95 100 100 100 <br />Da 5 100 87.5 85 92.5 87.5 75 <br />Da 6 97.5 80 72.5 77.5 80. 67.5 <br />Da 7 97.5 77.5 67:5 67.5 72.5 65 <br /> <br />7 Da Mean D Wei ht 0.535 0.506 0.470 0.457 0.654 0.497 <br /> <br />H Maximum/Minimum 8.5/7.6 8.5/7.8 8.7/7.7 8.7/7.6 8.6/7.5 8.7/7.3 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CC (mg/t): <0.1 <br />HARDNESS (mp/I): REC'V WATER: EFFLUENT: 2137 RECON WATER: 153 <br />ALKALINITY (mg/q: REC'V WATER: EFFLUENT: -277 RECON WATER: 75 <br />TOTAL AMMONIA (mgll): INITIAL 100°!0: =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 <br />ANALYST. ~'p~p~ <br />^~ <br />