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<br />COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE: Powderhorn Coal COmDanV CDPS N0. CO-00 27146 OUTFACE 001/002 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P.promelas <br /> <br />TEST RESULTS: LC50: X100 % STATISTICAL METHOD: Probit <br /> <br />TEST TIME & DATE: BEGIN 10:45AM 10 / 13 /~ END 9:45AM 10/ 17 / 98 <br /> <br />DILUTIONS ($ EFFLUENT) <br />MEASUREMENTS CONTROL(0%) 0.2 % 25 % ~0 % 75 % 100 <br />NO. feT START OF TEST: 40 40 40 40 40 40 <br />N0. LIVE AFTER 24 HRS: 39 39 40 40 40 40 <br />AFTER 48 HRS: 39 ~~ ~ 40 40 40 <br />AFTER 72 HRS: 39 ~~ 4~ 40 40 40 <br />AFTER 96 HRS: 39 38 39 3~ 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOT. RESID. CHLORINE, MG/L: 100 % < .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 8.2 100% 8.7 <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 N0, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br />LABORATORY: Commercial Testing and Enaineerina ANALYST ~..~ <br />COMMENTS <br />7/1/93 <br />COMMENGIAL TESTING 8 ENGIN EEXING CO. <br />Jng oal Wannn u~~a for Vour P.otx LOn ~~~ <br />