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Client: Western Fuels CO -0000213 SCG Project No.: 315390.13 <br />Site: New Horizon Mine 013 <br />WET TEST REPORT FORM — CHRONIC <br />Permittee: Western Fuels Colorado Outfall: 013 <br />Permit No.: CO -0000213 <br />Test Type: Routine ® Accelerated ❑ <br />Test Species: Fathead minnow IWC: 100% <br />Test Start Test End <br />Time Test Start Date Time Test E-nd------ Date- <br />----------------------- <br />1445 06-23-2015 1400 06-30-2015 <br />Test Results <br />Lethality <br />Growth <br />NOEC <br />100% <br />100% <br />100% <br />PASS <br />PASS <br />IC25 <br />>100% <br />>100% <br />100 <br />PASS <br />PASS <br />Dilution s - % Effluent <br />Measurements <br />Control <br />0% <br />20% <br />40% <br />60% <br />80% <br />100% <br />% Survival for day] <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />% Survival for day 2 <br />93 <br />100 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 3 <br />93 <br />100 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 4 <br />93 <br />100 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 5 <br />93 <br />100 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day_6 <br />88 <br />98 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 7 <br />85 <br />98 <br />93 <br />90 <br />90 <br />90 <br />Mean Dry Wt. (m) <br />1 0.222 <br />1 0.230 <br />0.246 <br />0.250 <br />0.242 <br />0.263 <br />Hardness (mg/L) — Receiving Water: NIA Effluent: 2540/2665/2168 Recon Water: 96 <br />Alkalinity (mg/L) Receiving Water: N/A Effluent: 460/542/280 Recon Water: 62 <br />Chlorine (mg/L) —Effluent: <0.01 pH (initial/final) — Control: 8.218.1 100%: 6.7/8.1 <br />Total Ammonia as NH3 (mg/L) — Effluent: 3.24/3.17/1.10 <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: Average weight for the control fish was 0.262mg for test acceptability criteria <br />Analyst's Name: Alex Roman-Wensing, Alex Arnold, Amanda Shephard, and Kyra Brisson <br />,e Date �� � 3 j 200 <br />SeaCrest Group 26 <br />