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i _~~ <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentvmile Coal Company CDPS NO.: CO-0027154 OUTFACE: 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: D. magna <br />TEST RESULTS: LC;~: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN: 1205 PM 03/23/05 END: 1105 AM 03/25/05 <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 20 20 20 20 <br /># ALIVE AFTER 72 HRS: ' <br /># ALIVE AFTER 96 HRS: <br />' RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mgfl): =0,1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 410 RECON WATER: 245 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 60 RECON W ATER: 150 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 8.2 <br />FINAL: CONTROL 8.0 100% EFFLUENT 8.0 <br />' TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />' IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />' LABORATORY: SGS MINERALS SERVICES DIVISION: 'T"'~' '~"'"' '3-~9~S <br />COMMENTS: <br />04/08/03 <br />6 <br />r~~s <br />