DRC-2025-001025

March 25, 2025
Matthew R. Schon
Groundwater and Environmental Program Manager
EnergySolutions, LLC
299 South Main Street, Suite 1700
Salt Lake City, UT 84111
RE:Notification and Resolution of BAT Concern: 1997 Evaporation Pond Pump and Transducer Request for Additional Information (RFI)Ground Water Quality Discharge Permit No. UGW450005
Dear Mr. Schon:
On February 11, 2025 EnergySolutions staff reported that the pump and transducer at the 1997 Evaporation Pond were not operational. In accordance with requirements identified in Part
1.H.16 and Appendix J Section 4.1 of the Ground Water Quality Discharge Permit No. UGW450005 (Permit), EnergySolutions provided the necessary 24-hour and 5-day notifications to the Division
of Waste Management Control (DWMC) on February 12, 2025 (DRC-2025-000498) and February 18, 2025 (DRC-2025-000546), respectively.
Please describe how the dysfunctional transducer was accounted for in calculating theseven-day average flow rate at the 1997 Evaporation Pondand provide the associatedEvaporation Ponds
Leak Detection System Volume Weekly Calculation Formto verify compliance with Part 1.F.13 and Appendix J Table 1 of the Permit for the time of this event.
If you have any questions regarding this letter, please contact Bailey Andersonat [phone].
Sincerely,
Lawrence Kellum, Low-Level Radioactive Waste Section Manger
Division of Waste Management and Radiation Control
LK/BA/??
c: Grant Sunada, Health Officer, Tooele County Health Department
Taylor Palmer, Environmental Health Director, Tooele County Health Department
EnergySolutionsGeneral Correspondence Email
LLRW General Correspondence Email
Matthew R. Schon, [e-mail]