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COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PF.RMI7TEE: Twentymile Coal Co. CDPS NO. CO-0027] 54 OUTFACE: 005 <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES: P~romelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />ConcenvationwithStatisticalDifference >100% >]00% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />IGss >700% >]00% Boots[ra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1200 PM 04/25/00 END 1000 AM 05/02/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50°/. 75% 100% <br />Da 1 % Survival 100 100 100 100 100 ]00 <br />Da 2 100 100 100 100 100 ]00 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 100 100 100 97.5 100 <br />Da 5 100 100 ]00 100 95.0 100 <br />Da 6 100 100 100 100 90.0 ]00 <br />Da 7 l00 100 100 100 80.0 100 <br /> <br />7 Da Mean Wei 0.380 0.355 0.410 0.436 0.286 0.451 <br /> <br />H 'mum/Ivi'inimum 8.4!7.5 8.5/7.7 8.5/7.7 8.6/7.7 8.7/7.8 8.6/7.9 <br />RECEIVING WATER USED FOR DILUTION? ~ TOTAL RESIDUAL CI" (mg/I): <0.1 <br />HARDNESS (mg/I): REC'V WATER: EFFLUENT: 792 RECON WATER: 117 <br />ALKALINITY (mil): REC'V WATER: EFFLUENT: 103 RECON WATER: 85 <br />TOT. 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 />--~, <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: CG~.~...; ~9 <br />4/14/99 <br />COMMERCIAL TESTING 8 ENGINEEpING CO. <br />I Wetermerketl For Your Protection ~~~ <br />iiK! ~q~ <br />