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iiiiiiiiiiiiiiiiiii <br />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 Pazs _ Fail LC50: >100%. <br />TEST (AnimaUAge): Ceriodaphnia Q4 hours. <br />DATE/TIME TEST BEGAN: 3212000 I I :45 a.m. <br />Survival Totals <br />Dilutions (°/. Effluent) <br />Recon Receiving 6.25% 12.5% o o e <br />Water Water 25 /0 50 /. 100 /e <br />Initial 20 na 20 20 20 20 20 <br />24 hrs 20 na 20 20 20 20 20 <br />dR hra 20 na 20 20 20 20 20 <br />Max/Min Values <br />Dilutions (% Effluent) <br />Rccon Receiving 6.25% 12.5% 25% ° ° <br />Water Water 50 /° 100 /° <br />Dissolved Oxygen 7.7/7.4 na 8.2/7.5 8.2/7.5 8.1/7.6 8.2/7.7 9.0/7.8 <br />Temnrrah~ro r°('1 70 0/19 0 na 70.0/19 0 70.0/19.0 70.0/19.0 20.0/19.0 20.0/19 0 <br />~. <br />DATE/1'IME TEST COMPLETED: 3232000 11:30 a.m. <br />SAMPLE (Dare/Type): 320/00 Grab. <br />Receiving Water used for Dilution? (Y o(N) N <br />Hardness, mg/L CaC03: Receiving Water na Recon Water 184 Effluent 1 832 <br />Initial Total Residual Chlorine, mg/L CI2 100% Effluent: <0_OS <br />Reconstituted pH: Initial 8.36 After 24 hours 8.33 <br />Receiviug Water pH: Initial na After 24 hours na <br />pH in 100% Effluent: Initial 8.00 After 24 hours 8.05 <br />Ammonia as N, mg/L: 100% Effluent Initial <0OS Receiving Water na Recon Initial <0_OS <br />Conductivity, umhos/cm: 100% Effluent ly Receiving Water na <br />Alkalinity, mglL CaC03: 100% Effluent 348 Receiving Water na <br />Analyst: Lee Rawlines Laboratory: Water & Environmental Testing, Inc. <br />Signature: <br />Date: LP~ <br />U <br />