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rCOLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />.~PERMTTTEE NAME: Western Fuels-Colorado (New Horizon Mine) NPDES NO: OUTFACE NO: 007 <br />~E OF TEST: ROUTINE: X ACCELERATED: TESL' SPECIES: Ceriodaphnia dubia <br />50% MORTALITY TEST: X Pass Fail LC50: > 100%. STATISTICAL METHOD USED: Noue required <br />DATE1TDvIE TEST BEGAN: 6120/96 1:45 p.m. DATE/I'IME TESL' COMPLETED: 6/22/96 2:00 p.m. <br />MEASUREMENTS <br />Dilutions (% Effluent) <br />Control Receiving <br /> 6.25% 12.5% 25% 50% 100% <br />(03'0) Water <br />Initial 20 na 20 20 20 20 20 <br />Alive alter 24 hts 20 oa 20 20 20 20 20 <br />after 48 hrs 20 na 20 20 20 20 20 <br />RECETirHVG WATER USED FOR DH.UTION? (Y of N) N TOTAL RESIDUAL CHLORINE, MG(L: <0.05 <br />HARDNESS, MG/L: Receiving Water 1.133• Effluent ].291 Rccon Water 1.184 <br />ALKALINITY, MG/L: Receiving Water 352• Effluent 264 Recon Water 403 <br />PH: INI'I7AI~ Control 7.96 100% 7.45 FINAL- Control 8.18 100% 8.23 <br />AMMONIA AS N, MG/L: Initial 100% 0.81 Final 100% 0.43 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST THE DEVIATIONS FROM TESL' SPECIFICATIONS: <br />LABORATORY: <br />SIGNATURE: <br />CONaIvII;NTS: <br />ANALYST: Lce Rawlins DATE: 3 1/ 3/96 <br />r 1 <br />U <br />