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1~ <br />1_~ <br />1 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentvmile Coal Companv CDPS NO.: CO-0027154 OUTFACE: 005 <br />TYPE TEST: ROUTINE: XX ACCELERATED: SPECIES: D. magna <br />TEST RESULTS: LCD: >100% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN: 1145 AM 10/27/04 END: 1355 PM 10/29/04 <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 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 19 20 19 19 <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI - (mgA): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 885 RECON WATER: 230 <br />1 ALKALINITY (mg/i}: RECEIVING WATER: EFFLUENT: 150 RECON W ATER: 490 <br />pH: INITIAL: CONTROL 8.0 100% EFFLUENT 8.3 <br />FINAL: CONTROL 8.1 100% EFFLUENT 8.4 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />1 WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: SGS MINERALS SERVICES DIVISION <br />COMMENTS: <br />ANALYST: <br />~1-~-ot/ <br />04/08/03 <br />6 <br />