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999 <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />~ERMITTEE NAME: Western Fuels Co. SITE ID: New Horizon Mine OUTFACE NO: 007 <br />50% MORTALITY TEST: X Pass Fail LC50: >100%. <br />TEST (AnimaUAge): Ceriodaphnia Q4 hours. <br />DATE/1'IME TEST BEGAN: 3/21/00 12:00 p.m. <br />SAMPLE (Date/7'ype): 320/00 Grab. <br />DATE/TIME TEST COMPLETED: 323/00 11:45 a.m. <br />Survival Totals <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% 25% 50% 100% <br />Water Water <br />Initial 20 na 20 20 20 20 20 <br />24 6n 20 na 20 20 20 20 20 <br />4A hrs 20 na JO 70 20 70 20 <br />Max/Min Values <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% 25% ° <br />Water Water 50 /0 100 /° <br />Dissolved Oxygen 8.1/7.6 na 8.0/7.5 8.3/7.5 8.3/7.6 8.6/7.6 9.2/7.6 <br />-~ranerature!°Cl 20.0/190 na 20.0/19.0 20.0/19.0 20.0//9.0 2(1.0/190 200/19.0 <br />Receiving Water used for Dilution? (Y o(N) N <br />Hardness, mg/L CaC03: Receiving Water na Recon Water 184 Effluent 1764 <br />loitial Total Residual Chlorine, mg/L CI2 100% Effluent: <0OS <br />Reconstituted pH: Initial 3.33 After 24 hours 8.33 <br />Receiving Water pH: Initial na After 24 hours na <br />pH in 100% Effluent: Initial 7.95 After 24 hours 8.03 <br />Ammonia as N, mg/L: 100% Et7luent Initial .59 Receiving Water na Recon Initial <0_OS <br />Conductivity, umhos/cm: 100% Effluent 1310 Receiving Water na <br />Alkalinity, mg/L CaC03: 100% Effluent 388 Receiving Water na <br />Analyst: Lee Rawlins Laboratory: Water & Environmental Testin¢. Inc. <br />Signature: ~ Date: .3 2 00 <br />tl' <br />