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Client: Elk Ridge Mining and Reclamation CO -0000213 SCG Project No.: 316641.13 <br />Site: New Horizon Mine 013 <br />WET TEST REPORT FORM — CHRONIC <br />Permittee: Elk Ridge Mining and Reclamation 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 End Date <br />1330 09-13-2016 1320 09-20-2016 <br />Test Results <br />Lethali <br />Growth <br />NOEC <br />100% <br />100% <br />80% <br />PASS <br />PASS <br />100 <br />100 <br />100 <br />IC25 <br />>100% <br />>100% <br />% Survival for day 2 <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 />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />% Survival for day 2 <br />100 <br />100 <br />100 <br />98 <br />100 <br />100 <br />% Survival for day 3 <br />100 <br />100 <br />100 <br />98 <br />98 <br />100 <br />% Survival for day 4 <br />98 <br />100 <br />100 <br />95 <br />98 <br />95 <br />% Survival for day 5 <br />98 <br />98 <br />100 <br />95 <br />98 <br />95 <br />% Survival for day 6 <br />98 <br />98 <br />98 <br />93 <br />98 <br />95 <br />% Survival for day 7 <br />98 <br />98 <br />98 <br />93 <br />98 <br />93 <br />Mean Wt. (rn <br />0.577 <br />0.594 <br />0.605 <br />0.514 <br />0.526 <br />0.545 <br />Hardness (mg/L) — Receiving Water: N/A Effluent: 858/1229/1329 Recon Water: 96 <br />Alkalinity (mg/L) — Receiving Water: N/A Effluent: 245/293/307 Recon Water: 58 <br />Chlorine (mg/L) — Effluent: <0.01 pH (initial/final) — Control: 8.2/7.5 100%:6.7/8.0 <br />Total Ammonia as NH3 (mg/L) — Effluent: 1.54/1.97/1.67 <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: Emily Hawkins, Samuel Boisseau and Ashley Bruhn <br />SeaCrest Group 25 <br />