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---Y-- <br />• ~ ~~~ ~~~~I~~I~~~I~~I~ <br />999 <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />1ERMITTEE NAME: Western Fuels Co. <br />50% MORTALITY TEST: X Pass Fail LC50: ~I00%. <br />TEST (AnimaUAgeJ: Ceriodaphnia <24 hours. <br />DATE/I7ME TEST BEGAN: 12/14/00 11:30 a.m. <br />SITE ID: New Horizon Mine OUTFACE NO: 007 <br />SAMPLE (Dare/7ype): 12/13/00 Grab. <br />DATElI IME TEST COMPLETED: 12/16/00 12:00 p.m. <br />Survival Totals <br />DButlons (% Effluent) <br />Recon Receiving 6.25% 12.5% 25% 50% 100% <br />Water Water <br />Inltlal 20 na 20 20 20 20 20 <br />24 hrs 20 na 20 20 20 20 20 <br />Maz/Min Values <br />Dilutions (% Effluent) <br />Recon Recelving fi.~~^/ t,.c^i, ~c^i, cn^~, 100°/~ <br />".n. ~ N ak•r __ <br />Dissolved Oxygen 7.5/6.7 na 7.3/6.7 7.7/6.6 7.8/6.6 8.2/6.5 9.2/6.8 <br />Trmnerarnro !°('1 JO fi/?0 0 na 70 fi/7n 0 70 fi/~0 0 ?n.fi/7n_0 9n.fi/7n 0 70 6/10.0 <br />Recelving Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaC03: Receiving Water na Recon Water 176 ERluent 1_ 8` <br />Inltlal Total Residual Chlorine, mg/L C12 100%Efflueat: <0.05 <br />Reconstituted pH: Initial 8.35 After 24 hours 8.34 <br />Recelving Water pH: Initial ne After 24 hoots na <br />pH 1n 100% Effluent: Initial 7.97 Ater 24 hours 6.21 <br />Ammonia as N, mg/L: 100% Effluent Initial 1.42 Recelving Water na Recon Initial <0_OS <br />Conduetlvlry, umhos/cm: 100% Effluent 3.030 Recelving Water na <br />Allnllnlry, mg/L CaC03: 100% El(luent „yZ Recelving Water na <br />Analyst: ,fie Rawlins <br />Laboratory: Water & Environmental Testine. Inc. <br />Slgoature• ~~ Date: z' ZB <br />