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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE NAME: Western Fuels-Colorado (New Horizon Mine) IYPDES NO: OUTFACE NO: 001 <br />~YPE OF "f EST: ROUTINE: X ACCELERATED: TEST SPECIES: Ceriodaohnia dubie <br />50% MORTALITY TEST: X Pass Fail LC50: >100%. STATISTICAL METHOD USED: None <br />DATE/TIME TEST BF,CAN: 3/17198 2:00 p. m, DATEl1'IME TEST COMPLETED: 3/19/98 2:00 p. m. <br />MEASUREMENTS <br />Dilutions (% Effluent) <br />Control Receivin <br />(0%) Waterg 6.25% 12.5% 25% 50% 100% <br />Initial 20 as 20 20 20 20 20 <br />Alive after 24 hrs 20 oa 20 20 20 20 20 <br />RECEIVING WATER USED FOR DILUTION? (Y of M N TOTAL RESH)UAL CHLORINE, MG/L: <0.05 <br />HARDNESS, MC/L: Receiving Water 1.133" Effluent 1,960 Recon Water 412 <br />ALKALINITY, MC/L: Receiving Water 352• Effluent 321 Recon Water 262 <br />PH: INITIAL- Cootro1839 100% 8.01 FINAL- Coutrol 8.44 100% 8.07 <br />•T AMMONIA AS N, MG/L: loitial 100% 0.07 Final 100% _ <br />WERE ALL TEST CONDITIONS 1N CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST THE DEVIATIONS FROM TEST SPECIFICATfONS: <br />LABORATORY: <br />SIGNATURE: <br />ANALYST: Lee Rawlioes DATE: 3/23/97 <br />• <br />