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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: P8M Edna Mine CDPS NO. CO-0032638 OUTFACE: X07, <br />TEST TYPE: ROUTINE _ ACCELERATED _XX_ TEST SPECIES: P. nrome/as <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration w/ Statistical Difference 50% 50°h Steel's Man -0ne/Dunnett's <br />Pass/Fail Pass N/A <br />IC25 68.56°~ 74.61% Bootstrap <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START Sept. 8. 2D04 €ND <br />:50 <br />DILUTION (% EFFLUENT) <br />Sent. 15.2004 <br />9.1_ . 5 AM <br />MEASUREMENTS CONTROL 8.25% 12.50% 28.80% 50.00% 100°k <br />Day 1 % Survival 1 DO 100 100 100 100 100 <br />Da 2 97.5 100 100 100 100 92.5 <br />Da 3 97.5 100 100 100 100 72.5 <br />Da 4 87.5 100 100 100 100 45 <br />Da 5 97.5 100 100 100 100 37.5 <br />Da 6 97.5 100 100 100 100 32.5 <br />Da 7 87.5 100 100 100 100 32.5 <br /> <br />7 Da Mean D Weight 0.934 0.898 0.78 0.837 0.849 0.535 <br /> <br />H (MaximumlMinimum 7.19-7.93 7.54-7.82 7.55-7.91 7.82-7.97 7.55-8.01 7.28-7.82 <br />RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST ALL DEVIATIONS: <br />HARDNESS (MG/L) EFFLUENT: 2391-2468 <br />ALKALINITY (MG/L) EFFLUENT: 288.56-315.68 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <7.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 <br />MHW WATER: 87.8.82.5 <br />MHW WATER: 87.54 <br />FINAL EFFLUENT: <1.0 <br />.J <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: ,_. / ./ <br />~ ~. <br />