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COLORADO - CDPS WET TEST REPORT FORM - ACUTE. <br />PERMITTEE: Powderhorn Coal Company CDPS N0. CO-00 27146 OUTFACE 001/002 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C.dubia <br />TEST RESULTS: LC50: >100 ~ STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN 12:OOPM 10/ 13 /~ END 11:20AM 10/ 15 / 98 <br /> DILUTIONS (% EFFLUENT) <br /> <br />MEASUREMENTS CONTROL(0%) 0.2 % 25 ~ ~0 ~ 75 % 100 % <br /> <br />NO. ~ 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: 18 ~7 20 ~ 20 18 <br />AFTER 72 HRS: <br />AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? ~ TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br />HARDNESS, MG/L: RECEIVING WATER 245 EFFLUENT 80 RECON WATER 110 <br />ALKALINITY, MG/L: RECEIVING WATER 155 EFFLUENT 1095 RECON WATER 90 <br />PH: INITIAL - CONTROL 7.8 100% 7.7 FINAL - CONTROL 7.8 100% 8.8 <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: Commercial Testing and Engineering ANALYST ~rti.- <br />COMMENTS <br />7/1/93 <br />COMMERCIAL TESTING i ENGINEERING CO. <br />7ngnal Watermarked Far Vour Protection ~~~ <br />