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COLORADO - CDPS WST TEST REPORT FORM - ACOTE <br />'?ERMITTEE: Powderhorn Coal Company CDPS NO. CO-00 27146 OUTFACE 001/002 <br />PYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C.dubia <br />PEST RESULTS: LC50: >100 % STATISTICAL METHOD: Binomial <br />(PEST TIME & DATE: BEGIN 11:55AM ~~ 98 END 11:35AM 7 /~/ 98 <br /> DILUTIONS (% EFFLUENT) <br /> <br />MEASUREMENTS CONTROL(0%) 0.2 ~ 25 % 50 % 75 % 100 <br /> <br />NO. C~ START OF TEST: 20 20 20 20 20 20 <br /> <br />NO. LIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /> <br />AFTER 48 HRS: 19 16 16 19 1~ 20 <br />AFTER 72 HRS: <br />AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br />HARDNESS, MG/L: RECEIVING WATER EFFLUENT 110 RECON WATER 115 <br />ALKALINITY, MG/L: RECEIVING WATER EFFLUENT 1050 RECON WATER 90 <br />PH: INITIAL - CONTROL 8.0 100% 7.8 FINAL - CONTROL 7.3 100% 8.2 <br />t. AMMONIA AS N, MG/L: 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: Co ercial Testing and Engineering ANALYST ~ ~.~-~' <br />_OMMENTS <br />~i~al WaiermarKed Far Your Protection <br />COMMENCIAL TESTINGw`8 ENGINEENING CO. <br />~~` <br />7/1/93 <br />