2016-10-21_REPORT - M1980244 (37)

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Table 4 Cripple Creek & Victor Gold Mining Company Squaw Gulch Valley Leach Facility Phase 1 Completion Fill Temperature Monitoring Summary Date Time of Test Ambient Temp. (°F) Average Fill Temp. (°F)Remarks 9:00 22 35 SF Placement only 10:00 22 37 SF Placement only 11:00 22 35 SF Placement only 12:00 24 38 SF Placement only 13:00 24 38 SF Placement only 14:00 24 39 SF Placement only 15:00 24 38 SF Placement only 16:00 24 38 SF Placement only 17:00 24 39 SF Placement only 8:00 30 36 SF Placement only 9:00 33 36 SF Placement only 8:00 29 35 SF Placement only 9:00 31 34 SF Placement only 10:00 34 35 SF Placement only 4/7/2016 8:00 35 36 SF Placement only 4/8/2016 8:00 33 35 SF Placement only 8:00 32 >32 SF and DCF Placement 9:00 34 >32 SF and DCF Placement 8:00 28 >32 SF and DCF Placement 9:00 30 >32 SF and DCF Placement 10:00 33 >32 SF and DCF Placement 8:00 30 >32 SF and DCF Placement 9:00 31 >32 SF and DCF Placement 10:00 34 >32 SF and DCF Placement 8:00 31 >32 SF and DCF Placement 9:00 31 >32 SF and DCF Placement 10:00 35 >32 SF and DCF Placement 7:30 25 40 DCF Placement 8:30 29 43 DCF Placement 9:30 31 40 DCF Placement 10:30 34 43 DCF Placement 11:30 37 43 DCF Placement 7:00 28 41 DCF Placement 8:00 31 42 DCF Placement 9:00 33 41 DCF Placement 7:30 27 56 DCF Placement 8:30 10/5/2016 Ambient temperatures remained above 32°F during the shift between April 28, 2016 and October 4, 2016. 4/27/2016 4/5/2016 4/6/2016 4/15/2016 4/25/2016 Work was stopped due to snow and icy conditions. 10/4/2016 4/26/2016 10/6/2016 3/31/2016 Page 2 of 3