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<br /> <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coal Company CDPS NO.: CO-0036684 OUTFACE: 62-FCT <br />TYPE TEST: ROUTINE: XX ACCELERATED: SPECIES: C. dubia <br />TEST RESULTS: LCD: >100% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN: 1135 AM 2/02/05 END: 1040 AM 2/04/05 <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 19 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 19 19 18 <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO <br />HARDNESS (mg/I): RECEIVING WATER: <br />TOTAL RESIDUAL CI' (mg/I): <0.1 <br />EFFLUENT: 2370 RECON WATER: 115 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 340 RECON WATER: 65 <br />pH: INITIAL: CONTROL 8.0 100% EFFLUENT 7.9 <br />FINAL: CONTROL 8.2 100% EFFLUENT 8.0 <br />TOTAL AMMONIA AS N (mg/I): <br />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 COMMERCIAL TESTING & ENGINEERING ANALYST: Z'~S <br />COMMENTS: <br />04/08/03 <br />7 <br />~~s <br />