DRC-2019-004802 - 0901a06880a53d33

Dam Safety Inspection
Storage Levef 5,5a4.99' las oI 3l29lL9l'Facility
Date March 14 and April24, 2019 Weather March 14:30'F, partly cloudy, wet . April 24: mostlv clear,45'F, dry.
Notes
1. Value taken from 1st Quarter, 2019 DMT Perfo rma nce Sta ndard s Mon itoring Report. Currentlevel may be 11'.
No freeboard limit is in force for this impoun dment inasm uc h as spillway control is prpovided. Priorto
constructing lmpoundment 48, the freeboard limit was 5,593.74', which is above the spillway elevation.
2. Wet conditions on the crest prevented inspection on March 14.
3. Upstream face and toe of embankment are covered with synthetic membJane liner and cannot be viewed.
Facility
Date
Dam Safety Inspection
Energy Fuels Resources - Non-onventional lmpoundment 4B Storate Level 5,550.32' (as of 3/29119)'
March 14 and April 24, 2019 Weather March 14: 30' F, partly cloudy, wet . April 24: mostly clea., 45' F, dry,
Nane Reprelentlnt
iii,'lffi" &e. *i%(,fanner Holiday
DEQ
DEQ
EFRI
llirli"","o"" u".rn 1st euaner, zorg ovT Performance Standards Monitoring Repon. Current level may be r1'.
No freeboard limit is in force for this impoundment in asmuch as spillway control is prpovided. Priorto
constructinB tmpoundment 48, the freeboard limit was 5,593.74', which is above the spillway elevation.
2. Wet conditions on the crest prevented inspection on March 14
3. Upstream face and toe of embankment are covered with synthetic membrane liner and cannot be viewed
4. lmDoundment 4B is a total containment structure currently used for fluid management and evaporation