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1 <br /> <br />1 <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Company CDPS NO. CO-0042161 <br />TYPE TEST: ROUTINE: ACCELERATED: ?~ <br />OUTFACE: 001 <br />TEST SPECIES: C duhiu <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference 75% 25% Fisher/Steel's Man -One <br />Pass/Fail Fail N/A <br />ICss 56.3% 21.1% Bootstra <br />Pass/Fail Fail N/A <br />TEST TIME & DATE START 1530 PM 12/11/0] END 1440 PM 12/19/01 <br />DILUTION (% EFFLUENT) <br /> <br /> <br /> <br />7 <br /> <br /> <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da I % Survival 100 100 100 100 100 40 <br />Da 2 100 100 100 100 30 0 <br />Da 3 100 100 100 100 10 0 <br />Da 4 100 100 100 100 10 0 <br />Da 5 90 100 100 100 10 0 <br />Day 6 90 100 100 100 0 0 <br />Da 7 90 90 90 90 0 0 <br /> <br />Mean 3 Brood Total 17.7 15.3 10.4 3.4 0.0 0.0 <br /> <br />FI (Maximum/Minimum 8.5/7.8 8.9/8.3 9.0/8.4 9.0/8.3 8.9/8.4 8.6/8.4 <br />RECEIVING WATER USED FOR DII.UTION? NO TOTAL RESIDUAL CI- (mgJl): <0.1 <br />IIARQNESS (mI;/Il: REC'V WATER: EFFLUENT: Eli RECON WATER: 113 <br />ALKALINITY (mg,~ll: REC'V WATER: EFFLUENT: 897 RECON WATER: 87 <br />l_Q'f AMMONIA (mgJll INITIAL 100%: X4.0 FINAL 100%: 4.0 <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: (~: /~--~ <br />J 4/ 14/00 <br />e~gggg COMMERCIAL TESTING & ENGINEERING CO. <br />10rlglnel Wat.rmnkW Ia Yaw Prolwllon ~~~ <br />~,.c~ .a. <br />