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COLORADO -CUPS W E'1"PEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Company CDPS NO. CO-0042161 OUTFACE: 001 <br />TYPE TEST: ROUTINE: ACCELERATED: XX TEST SPECIf_S: C'. debirr <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference 75% 47% Fisher/Steel's Many-One <br />Pass/Fail Pass N/A <br />ICzs 48.8% 39.4% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1200 PM 03/06/01 END 1030 AM 03/14/01 <br />DII.UTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 47% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 0 <br />Da 2 100 100 ]00 100 0 0 <br />Da 3 100 100 100 100 0 0 <br />Da 4 100 100 100 80 0 0 <br />Da 5 100 100 100 80 0 0 <br />Da 6 100 100 100 80 0 0 <br />Da 7 100 100 100 80 0 0 <br /> <br />Mean 3 Brood Total 16.7 14.7 13.7 5.5 0.0 0.0 <br /> <br />H aximum/Minimum 8.8/8.1 8.9/8.3 9.0/8.4 9.0/8.4 8.8/8.5 8.7/8.6 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl- (mg/I): <0.1 <br />HARDNESS LgJI): REC'V WATER: EFFLUENT: 573 RECON WATER: 108 <br />ALKALINITY ~~1) REC'V WATER EFFLUENT: 902 RECON WATER: 93 <br />TOT. AMMONIA (~/I) RdITIAL 100°/a: 3.50 FINAL 100%: 3.65 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? NO <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: Kit #3 effluent samples not delivered to <br />laboratory until Monday (3/12/011, although sample container indicated "Saturday Next Day Air". <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: Vl~ /~-~ <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />~F-466 LIE <br />Original Watermarketl For Your Protection since n~• <br />