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I <br />III 111111 1111111 III <br />999 <br />Region VIII Guidance for Acute Whole Effluent Reporting <br />ERMITTEE NAME: Western Fuels Co. <br />SITE ID: New Horizon Mine OUTFACE NO: 007 <br />50% MORTALITY TEST: X Pass Fail LC50: >100%. <br />TEST (Animal/Age): Ceriodaphnia <24 hours. <br />SAMPLE (Darc/TypeJ: 6/19/01 Grab. <br />DATE/TIME TEST BEGAN: 6/20/01 11:45 a.m. DATE/I'iME TEST COM1IPLETED: 6/22/01 1 1:00 a.m. <br />Survival Totals <br />Dilutions (% Effluent <br />Recon Receiving 6.25% 12.5% 25% 0 0 <br />Water Water 50 /0 100 /o <br />Initial 20 na 20 20 20 20 20 <br />24 hrs 20 na 20 20 20 20 20 <br />4R hrc 20 nn 20 20 20 JO JO <br />Max/Min Values <br />Dilutions (% Effluent) <br />Recon Receiving 6.25% 12.5% 25% 50% 100% <br />Water Water <br />Dissolved Oxygen 8.7/8.2 na 8.7/8.2 8.8/8.2 8.9/7.2 9.1/8.2 9.5/8.3 <br />Temnerntnrr (°('1 21 0/20 0 na 20.R/20.0 20_fi/20.0 70 4/J0.0 20 2/20 0 JO 7/20.0 <br />eceiving Water used for Dilution? (Y of N) N <br />Hardness, mg/L CaCO3: Receiving Water na Recon Water 192 EfFluent 292 <br />Initial Total Residual Chlorine, mg/L CI2 100% Effluent: <0OS <br />Reconstituted pH: Initial 8.01 After 24 hours 7.95 <br />Receiving Water pH: Initial na After 24 hours na <br />pH in 100% Effluent: Initial 8.15 After 24 hours 8.08 <br />Ammonia as N, mg/L: l00% EfBttent Initial <0.05 Receiving Water na Recon Initial <0OS <br />Conductivity, umhos/cm: 100% Effluent 527 Receiving Water na <br />Alkalinity, mg/L CaCO3: 100% Effluent 160 Receiving Water na <br />Analyst: Lee Rawlines~ La~bo~ratory: Water & Environmental Testine, lnc. <br />Signature: ~'i%'~"'~~/~ ~""~~ Date: _tO~S~// <br />Comments: <br />