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III 11111111111 <br />999 <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />PERMITTEE NAME: Western Fuels Co. SITE ID: New Horizon Mine 007 OUTFACE NO: <br />50% MORTALITY TEST: X Pass Fail LC50: > 100%. <br />TEST (AnimaUAge): Fathead Minnow, 7 days. <br />DATE/I'IME TEST BEGAN: 929/99 1:20 p.m. <br />SAMPLE (Da[e/7ype): 9/28/99 Grab. <br />DATE/I'IME TEST COMPLETED: 10/3/99 2:30 p.m. <br />Survival Totals <br />Recon Receiving <br />Water Wafer <br />Dilutions (% ERlueot) <br />6.25% 12.5% 25% 50% 100% <br />Initial 20 na 20 2U 20 2U 2U <br />24 hrs 20 na 20 20 20 20 20 <br />48 hrs 20 na 20 20 20 I9 20 <br />72 hrs 20 na 20 20 20 19 20 <br />96 hrs 20 na 20 20 20 19 20 <br />Max/Miu Values <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% ° ° <br />~__ _~__ 25/0 50% l00% <br />Dissolved Oxygen 9.2/6.9 na 8.9/6.8 8.7/6.9 8.6/6.9 8.4/7.1 8.7/7.5 <br />m______~.. __ i°~\ 11 nllA A .... 1A O/1A A 1/1 O/IAA 1A L/1A A 1A L/1A A 1!1 A/1A A <br />Receiving Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaC03: Receiving Water na Recon Water 182 EFFluent 1 490 <br />Initial Total Residual Chlorine, mg/L C12 100% Effluent: <0_OS <br />Reconstituted pH: Initial 8.32 After 24 hours 8.18 <br />Receiviag Water pH: Initial na After 24 hours na <br />pH in 100% Etflueot: Initial 7.80 After 24 hours 7.94 <br />Ammonia as N, rog/L: 100°/. Effluent 0.48 Receiving Water na Recon <0.0 <br />Conductivity, urohos/cm: 100% Effluent 2_ 400 Receiving Water na <br />Alkalinity, mg/L CaC03: 100% Effluent 384 Receiving Water na <br />Analyst: Lee Bowlines ~ 1~. aboratorly Water & Environmental Testin¢. Inc <br />Signature: <br />Date: ~~'~~ <br />rmments: <br />