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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />~ERMITTEE NAME: Western Fuels-Colorado (New Horizon Mine) NPDES NO: OUTFACE N0:.007 <br />YPE OF TF,ST: ROUTINE: X ACCELERATED: TEST SPECIES: Ceriodaohnia dubia <br />50%MORTALITYTEST: X Pass Fail LC50: >]00%. <br />DATEl1'IME TEST BEGAN: 3/04N7 7:45 p.m. <br />STATISTICAL METHOD USED: None <br />DATE/1'IME TEST COMPLETED: 3/06/97 8:15 p.m. <br />MEASUREMENTS <br />Dilutions (%ElDueot) <br />Control Receiviug <br />,,,.,, ..,__ 6.25% 12.5% 25% 50% 100% <br />Initial 20 os 20 20 20 20 20 <br />Alive after 24 hrs 20 na 20 20 20 20 20 <br />after 4R hrs 19 na 19 20 19 17 11 <br />RECEIVING WATER USED FOR DILUTION? (Y of N) N TOTAL RESIDUAL CHLORINE, MC/L: <0.05 <br />HARDNESS, MG/L: Receiving Water 1,133• Elllueot 1,948 Recou Water 441 <br />ALKALINITY, MG/L: Receiviug Waler 352• Effluent 388 Recoo Water 294 <br />PH: INITIAL-Coutrol 8.46 100% 7.86 FINAL Coutrol 8.48 100% 8.06 <br />T AMMONIA AS N, MC/L: laitisl 100% 0.63 Fioa1100% _ <br />ERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST THE DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: W `E ENV ONMENTAL TESTING INC. ANALYST: Lee Rawlioes DATE: 3/11/97 <br />SIGNATURE: ~'`~ <br />COMMENT :Results for Recetvine Wa[er Chemistries was taken for Historical data. <br />• <br />