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i <br />r <br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMTI"TEE: Powderhom Coal ComQany CDPS NO.: CO-0027146 OUTFACE: 001/002 <br />~~ <br /> <br /> <br /> <br /> <br />TYPE TEST: ROUTINE: 7{X ACCELERATID:_ TEST SPECIES: P. promelas <br />TEST RESULTS: LCso: 2100% STATISTICAL METHOD: Binomial <br />MSDs: 0.00 95% CONFIDENCE LIIvIITS: No limits liven. <br />TEST TIME & DATE: BEGIN 1000 AM Ol/11/00 END 1000 AM Ol/15/00 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 0.2% 25% 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 39 40 40 40 40 39 <br /># ALIVE AFTER 48 HRS: 39 40 40 40 40 39 <br /># ALIVE AFTER 72 HRS: 39 40 40 40 40 39 <br /># ALIVE AFTER 96 HRS: 39 40 40 40 40 39 <br />RECEIVING WATER USID FOR DII.UTION? NO TOTAL RESID. CI ' (mg/I): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER EFFLUENT: 70 RECON WATER: 115 <br />ALKALIIVTTY (mg/1):RECEIVING WATER EFFLUENT: 1120 RECON WATER 85 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 7.7 <br />FINAL: CONTROL 8.0 100% EFFLUENT 9.0 <br />1 TOTAL AMMONIA AS N (mg/l): INITIAL 100%: -1.0 FINAL 100i°/a: =1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: C~~-~~ <br />COMMENTS: <br />4/14/99 <br />'Estimate of Minimum Significant Dilien:nce for non-normal distribution and/or heterogeneous variances. <br />COMMERCIAL TE9TINO d, ENOINEERINO CO. <br />Ltd <br />~ngmal WatarmarKeo For Your protection ,,,, <br />