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Client: Western Fuels CO- 0000213 SCG Project No.: 311693.B <br />Site: New Horizon Mine 007 <br />WET TEST REPORT FORM— CHRONIC <br />Permittee: Western Fuels Colorado Outfall: 007 <br />Permit No.: CO- 0000213 <br />Test Type: Routine ® Accelerated ❑ <br />Test Species: Fathead minnow IWC: 100% <br />Test Start Test End <br />Time T Star Date Time T End Date <br />--------------------------------------------------------------est --- t ---------------------------------------------------------------------------------------est -------------------------------------------- <br />1620 10 -04 -2011 1520 10 -11 -2011 <br />Test Results <br />Lethality <br />Growth <br />NOEC <br />100% <br />100% <br />100% <br />PASS <br />PASS <br />IC25 <br />I <br />>100% >100% <br />100 <br />1 <br />PASS PASS <br />Dilution(s) - % Effluent <br />Measurements <br />Control <br />0% <br />20% <br />40% <br />60% <br />80% <br />100% <br />°o Survival for day 1 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />°o Survival for day 2 <br />98 <br />100 <br />100 <br />100 <br />98 <br />100 <br />°`D Survival for day 3 <br />Survival for day 4 <br />83 <br />83 <br />100 <br />100 <br />100 <br />95 <br />100 <br />100 <br />100 <br />1 100 <br />93 <br />100 <br />Survival for day 5 <br />83 <br />98 <br />98 <br />98 <br />93 <br />100 <br />Survival for day 6 <br />83 <br />98 <br />98 <br />93 <br />j 83 <br />95 <br />% Survival for day 7 <br />83 <br />95 <br />98 <br />93 80 <br />93 <br />Mean Dry Wt._(mej <br />0.218 <br />0.238 <br />0.220 <br />0.235 0.216 <br />0.245 <br />Hardness (mg/L) — Receiving Water: N/A Effluent: 327 /303/324 Recon Water: 83 <br />Alkalinity (mg/L) — Receiving Water: N/A Effluent: 176/186/210 Recon Water: 58 <br />Chlorine (mg/L) — Effluent: 0.01 pH (initial /final) — Control: 8.0/7.7 100 %: 8.4/8.5 <br />Total Ammonia as NH3 (mg/L) — Effluent: 0.177/ <0.03 / <0.03 <br />Were all Test Conditions in Conformance with Division Guidelines? YES ® NO ❑ <br />If NO, list deviations from test specifications: <br />Laboratory: SeaCrest Group <br />Comments: <br />Analyst's Name: Dustin Facteau, Katia Hannah, and Lauren Matelski <br />i 4 <br />L {F Date <br />SeaCrest Group 26 <br />