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~~ <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coal Comoanv CDPS NO.: CO-0036684 OUTFACE: 62-FCT <br />TYPE TEST: ROUTINE: XX ACCELERATED: SPECIES: C dubs <br />TEST RESULTS: LC~o: >1 0% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN: 0900 AM 10/12/05 END: 0840 AM 10/14/05 <br /> <br /> DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 19 20 20 <br /># ALIVE AFTER 48 HRS: 20 18 19 18 19 16 <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/l): <0.1 <br />HARDNESS (mg/l): RECEIVING WATER: EFFLUENT: 1635 RECON WATER: 115 <br />ALKALINITY (mg/l): RECEIVING WATER: EFFLUENT: 465 RECON WATER: 75 <br />pH: INITIAL: CONTROL 8.0 100% EFFLUENT 7.9 <br />FINAL CONTROL 7.7 100% EFFLUENT 8.2 <br />TOTAL AMMONIA AS N (mgll): INITIAL 100%: <1.0 FINAL 100%: <7.0 <br /> <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br />LABORATORY: SGS COMMERCIAL TESTING & ENGINEERING ANALYST: "' - ~ """~`r ~~~ ~'dJ <br />COMMENTS: <br /> 04/08!03 <br />