HomeMy WebLinkAboutDRC-2021-004225 - 0901a06880e4df93March 26, 2021
NERGY FUELS
Energy Fuels Resources (USA) Inc.
225 Union Blvd. Suite 600
Lakewood, CO, US, 80228
303 974 2140
1713C. - 202i- 004-225 www.energyfuels.com
Div of VV -iste Management
and Radiation Control
Sent VIA EXPEDITED DELIVERY
Mr. Ty L. Howard
Director
Division of Waste Management and Radiation Control
Utah Department of Environmental Quality
195 North 1950 West
Salt Lake City, UT 84116
MAR 3 G 2021
Re: Energy Fuels Resources (USA) Inc. ("EFRI") Response to DWMRC Request to Revise Location
of Additional Nitrate Wells, White Mesa Uranium Mill
Dear Mr. Howard:
Pursuant to the March 25, 2021 Division of Waste Management and Radiation Control ("DWMRC") e-mail,
EFRI is providing revised proposed locations for DWMRC review and approval for the two new Nitrate
monitoring wells to be installed at the White Mesa Mill. The revised proposed locations are shown on the
attached figure.
EFRI has tentatively scheduled a drilling contractor for mid-April 2021. A definitive schedule will be provided
to DWMRC upon approval of the revised proposed locations.
If you should have any questions regarding this report please contact me.
Yours very truly,
7?‘111
ENERGY FUELS RESOURCES (USA) INC.
Kathy Weinel
Quality Assurance Manager
CC: David Frydenlund
Logan Shumway
Scott Bakken Terry Slade
FIGURE
TWIs!1-16
TWIV-15
o TWN -17
o TWN-11 TWN-12
TWN-19
,
CORRAL Ciy4k)N
: 30-300;At
4.4 *
TWN-05 TWN-08 • MW-19
o TWN-18
RIEZ-02
TWN-04- - • o
EXPLANATION
proposed new nitrate well TWN-20
4Q 2020 nitrate plume boundary
estimated dry area
temporary perched monitoring well
installed April, 2019 showing
elevation in feet amsl
perched monitoring well
installed February, 2018 showing
elevation in feet amsl
TW4-42
5526
MW-38
-{3.- 5463
V.-
temporary perched monitoring well 1 mile ',"fV,;...: — -,. . 'A..1.4-X-.4. , ,.„.•• ;;;,,z,:!.44-0;•4, ,..'".' 4, : .
NOTES: MW-4, MW-26, TW4-1, TW4-2, TW4-4, TW4-11, TW4-19, TW4-21, TW4-37, TW4-39, TW4-40 and TW4-41 are chloroform pumping wells; TW4-22, TW4-24, TW4-25 and TWN-2 are nitrate pumping wells; TW4A1 water level is below the base of the Burro Canyon Formation
perched monitoring well showing
elevation in feet amsl
showing elevation in feet amsl
o TWN-14
• MW-01
TA10
o TWN-09 • MW-18 TWN-06
PIEZ-01
4-
-27410 -2 .1V5434C199
TW4-39,1-
65 0
N-01
-18 ENtRANCE SPRitiG
TW4-05
.444." •••
TW4-1
rom26. 2TW,44:19C
TWOW4P0M4V TW4-28 rw4-32
•'" ,
\DTW4-1;
5. ;•,'„; • _R,v4 0i;TW4-36
MW-32 -"l'W"11 TW4.04 _41-V44W4_1 C 4
TW4-2TWW4-4 2°6: Tw:-2W9O'k7;v1-vW44._3-301 TW4 -13
W-25
TW4-4C14 42TW4-35 5,5,430
TW4-34
TW4-250
TN! 41-42:4
PIEZ-05
55
5500
MW-40
•
taV
5450 DR-23
woo
•54
CORRAL SPRINGS
temporary perched monitoring well
installed February, 201 8 showing
elevation in feet amsl
PROPOSED LOCATIONS OF NEW NITRATE WELLS HYDRO SHOWING KRIGED 4th QUARTER, 2020 WATER LEVELS GEO AND NITRATE PLUME BOUNDARY
RUIN SPRING (5 5380 seep or spring showing
CHEM, INC.
elevation in feet amsl
TW4-40
+5523
MW-5
• 5504
TW4-12
05569
TWN-7
*5568
PIEZ-1
temporary perched nitrate monitoring
well showing elevation in feet amsl
perched piezometer showing
5588 elevation in feet amsl
APPROVED DATE REFERENCE FIGURE
1-11718000/TWN_2021/PropNwell_2021_rev.srf
9r1707 MW-3511
W-360