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<br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />' PERMITTEE: Cyplvs Yampa Valley Coal Corp. CDPS NO. CO-0027154 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P.promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference ]00% 50% Steel's/Dunnett's <br />Pass/Fail Fail N/A <br />ICss ]8.1% 10.1% Bootstra <br />Pass/Fail Fail N/A <br />TEST TDv1E & DATE START ] 025 AM 1(/16/99 END 0825 AM 11/23/99 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% l00% <br />Da I % Survival 100 100 100 ] 00 ] 00 ] 00 <br />Da 2 100 100 97.5 100 100 100 <br />Da 3 ] 00 100 95.0 92.5 97.5 62.5 <br />Da 4 100 100 82.5 77.5 62.5 47.5 <br />Da 5 100 87.5 67.5 65.0 55.0 37.5 <br />Da 6 100 87.5 62.5 57.5 52.5 37.5 <br />Da 7 100 85.0 62.5 57.5 52.5 35.0 <br /> <br />7 Da Mean D Wei ht 0.537 0.372 0.302 0.260 0.217 0.144 <br /> <br />H (Maximum/Minimum 8.5/8.0 8.3/8.1 8.4/8.1 8.4/8.0 8.2/7.9 8.2/7.8 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/I): <0. ] <br />HARDNESS (mg/I): REC'V WATER: EFFLUENT: 2350 RECON WATER: 113 <br />ALKALINITY L /I :REC'V WATER: EFFLUENT 338 RECON WATER: 88 <br />TOT. AMMONIA (mom): 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: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />4/]4/99 <br />COMMERCIAL TESTING & ENGINEERING CO, <br />Onginal Gopy Wa~¢rmarkeo ~~~ <br />FOr Your Prole¢lion <br />f66 <br />