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Client: Western Fuels CO -0000213 SCG Project No.: 315564.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 Test Start Date Time Test End Date <br />1430 08-18-2015 1400 08-25-2015 <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 1 <br />95 <br />too <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 2 <br />93 <br />100 <br />100 <br />98 <br />100 <br />loo <br />% Survival for day 3 <br />90 <br />100 <br />100 <br />98 <br />too <br />100 <br />% Survival for day 4 <br />90 <br />100 <br />100 <br />98 <br />98 <br />100 <br />% Survival for day 5 <br />90 <br />100 <br />100 <br />98 <br />98 <br />100 <br />% Survival for day 6 <br />90 <br />100 <br />100 <br />98 <br />98 <br />100 <br />% Survival for day 7 <br />88 <br />100 <br />98 <br />98 <br />93 <br />100 <br />Mean Dry Wt. m <br />0.283 <br />0.315 <br />0.317 <br />0.379 <br />0.340 <br />0.397 <br />Hardness (mg/L) — Receiving Water: N/A Effluent: 291/223/212 Recon Water: 88 <br />Alkalinity (mg/L) — Receiving Water: N/A Effluent: 214/219/191 Recon Water: 58 <br />Chlorine (mg/L) — Effluent: <0.01 pH (initial/final) — Control: 8.2/7.6 100%: 8.2/8.2 <br />Total Ammonia as NH3 (mg/L) — Effluent: <0.03 <br />Were all Test Conditions in Conformance with Division Guidelines? YES X NO <br />If NO, Iist deviations from test specifications: <br />Laboratory: SeaCrest Group <br />Comments: <br />Analyst's Name: Ashley Bruhn, Alex Arnold, and Amanda Shephard <br />SeaCrest Group 26 <br />