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Region VIII Guidance for Acute Whole Effluent Reporting <br />~~ ~ERMITTEE NAME: Western Fuels Co. SITE ID: New Horizon Mine OUTFACE NO: 001 <br />50% MORTALITY TEST: X Pass Fail LC50; >100%. <br />TEST (Animal/Age): Ceriodaphnia <24 hours. <br />DATEITIME TEST BEGAN: 9/19/01 2:30 p.m. <br />SAMPLE (Date/Type): 9/18/01 Grab. <br />DATElTIME TEST COMPLETED: 9/21/01 2:10 p.m. <br />Survival Totals <br /> Dilutions (% Effluent) <br /> Recon <br />Water Receiving 6.25% 12.5% <br />Water 25% 50% 100% <br />Initial 20 na 20 20 20 20 20 <br />24 hrs 20 na 20 20 20 20 20 <br />4R hn 20 na 20 20 20 20 19 <br />Max/Min Values <br /> bilutions (% Effluent) <br /> Recon <br />,__ Receiving 6.25% 12.5% <br />_ __ 25% <br />50% ° <br />100% <br />Dissolved Oxygen 7.2/5.8 na 7.2/6.4 7.3/6.5 7.3/6.7 7.5/7.1 8.3/7.5 <br />Temneratnrr !°('.l 20.0/142 na 20.0/19 2 20.0/19 2 20.0/142 20.0/19.2 20 0/19.2 <br />)eceiving Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaC03: Receiving Water na Recon Water 172 Effluenth <br />Initial Total Residual Chlorine, mg/L CI2 lOp% Effluent: <0OS <br />Reconstituted pH: Initia17.95 After 24 hours 8.11 <br />Receiving Water pH: Initial na After 24 hours na <br />pH in 100% Effluent: Initia17.85 After 24 hours 8.33 <br />Ammonia as N, mg/L: 100% Effluent Initia1.55 Receiving Water na Recon Initial <0_OS <br />Conductivity, umhos/cm: 100% Effluent 2,560 Receiving Water na <br />Alkalinity, mg/L CaC03: 100% Effluent 290 Receiving Water na <br />Analyst: Lee Rawlines Laboratory: Water & Environmental Tesfine. Inc. <br />Signature: <br />Date: ~p~ut~~ <br />C~ <br />Page 5 of 8 <br />