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<br />-iECEIVED <br /> <br /> <br /> <br /> <br /> <br /> <br />COLORADO - CDPS WET TEST REPORT FORM - CHRONIC,IA N $ ~ 2001 <br />PERMITTEE: Twentvmile Coal Co. CDPS NO. CO-0036684 OUTFALL;~06'IIA,erais s Geolorn• <br />TYPE TEST: ROUTINE: XX ACCFr.F.RATED;_ TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference >100'/° 21.0% FishedDunnett's <br />Pass/Fail Pass N/A <br />IGis >100% 38.5% Boo <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1105 AM 10/03/00 END 1040 AM 10/11/00 <br />171L11110N (%ErriJENT) <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />MEASUREMENTS CONTROL 12.5•/. 21 •/. 50°/. 75•/. 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 100 100 100 100 100 <br />Da 5 100 100 100 100 100 100 <br />Da 6 100 100 100 100 100 100 <br />Da 7 100 100 100 100 100 100 <br /> <br />Mean 3 Brood Total 16.0 13.0 11.5 5.7 3.1 0.5 <br /> <br />H aximum/IvLnimum 8.6/8.1 8.6/8.1 8.6/8.2 8.6/8.3 8.6/8.3 8.4/7.9 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl' (mg/1): <0.1 <br />HARDNESS {mg/I): REC'V WATER: EFFLUENT: 2378 RECON WATER: 137 <br />ALKALINITY (mg/p~ REC'V WATER: EFFLUENT 295 RECON WATER: 87 <br />TOT AMMONIA (>n l: INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITTi DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: _ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~~ ~'`-`-~~ <br />GOMMERCIAI TESTING 8 ENGINEERING CO. <br />466 Lt~ <br />~riginal Watertnarker• For YOOr Protection u,c. o <br />