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iiiiiiiiiiiimiii <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />'~~RMITTEE NAME: Western-Fuels Co. SITE ID: New Horizon Mine OUTFACE NO: 001 <br />50% MORTALITY TEST: X Pass _ Fail LC50: >100%. <br />TEST (Anima!/AgeJ: Fathead Minnow, 7 days. SAMPLE (DatelfypeJ: 3!20/00 Grab. <br />DATE/1'IME TEST BEGAN: 3/21/00 I I:IS a.m. <br />DATE/1'IME TEST COMPLETED: 3/25/00 12:30 p.m. <br />Survival Totals <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% e ° e <br />Water Water 25 /0 50 /° 100 /o <br />Initial 20 na 20 20 20 20 20 <br />24 hrs 20 na 20 20 20 20 20 <br />48 hrs 20 na 20 20 20 20 20 <br />72 hrs 20 na 20 20 20 20 19 <br />96 hrs 70 na 20 20 20 20 19 <br />Max/Min Values <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% ° <br />Water Water 25/° 50% 100% <br />Dissolved Oxygen 8.2/6.5 na 8.1/6.3 8.2/6.7 8.3/6.7 8.4/6.3 9.9/6.6 <br />T_~____.____.on. nn nnn~ __ ~n nnn~ ~n nnnn ~n nnno ~n nnno ~n nnn~ <br />Receiving Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaCO3: Receiving Water na Recon Water 184 EfFluent 1832 <br />Initial Tolal Residual Chlorine, mg/L CI2 100% Effluent: <0^05 <br />Reconstituted pH: Initial 8.36 After 24 hours 8.43 <br />Receiving Wafer pH: Initial na Afler 24 hours na <br />pH in 100% Effluent: Initial 8.00 After 24 hours 7.93 <br />Ammonia as N, mg/L: 100% Effluent <0OS Receiving Water na Recon <0.05 <br />Conductivity, umhos/cm: 100% Effluent 1y60 Receiving Water na <br />Alkalinity, mg/L CaCO3: 100% Effluent 348 Receiving Water na <br />Analyst: Lee Rawlins aboratory: Water & Environmental Testin¢. Inc. <br />Signature: `~ Date: .3 Z <br />lJbmmeats• <br />