Llrw material disposal
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- N4523A23D4000
- Awardee
-
US Ecology Washington Inc. UEI PR18MWAMRDG8 Part of Republic Services Inc.
- Awarding agency
-
Naval Sea Systems Command
Department of the Navy, Department of Defense
- Task orders
- 23 $4,312,801 obligated
Award facts
- Opportunity
-
- Notice of Intent to Sole Source LLRW IDIQ Special Notice · N4523A23R4025 · Posted Mar 20, 2023
- Combined order value
- $4,312,801 Current and potential, with all options
- Last date to order 63% complete
- IDV ceiling 2% used
- $186,166,861.00
- Maximum order
- $1,500,000.00
- Award type
- Single award
- Who can order
- Only the awarding agency
- Contracting staff
- NAICS code
- 562112 Hazardous Waste Collection
- Set-aside
- No set-aside
- Competition
- Not Competed · 1 offer Only One Source
- Pricing
- Firm Fixed Price
- Legislative mandates
-
- Service Contract Act FAR subpart 22.10
Award details come from SAM.gov/FPDS.
About this IDV
Naval Sea Systems Command awarded a single-award indefinite-delivery contract to US Ecology Washington Inc. on September 1, 2023, for $186,166,861 ceiling to dispose of low-level radioactive waste generated by Puget Sound Naval Shipyard and Pearl Harbor Naval Shipyard through August 31, 2028. This is a sole-source vehicle with no set-aside designation.
Work is performed at US Ecology Washington's facility in Richland, Washington, located within a Department of Energy complex, with administrative and operational oversight supporting both shipyards at Bremerton, Washington. The contract covers acceptance, transportation, and disposal of Class A, B, and C low-level radioactive waste materials; maintenance of disposal sites; container disposal services; dose rate measurements; and provision of nuclear program data and records.
The originating solicitation, posted March 20, 2023, requested contractor services for comprehensive low-level radioactive waste management across the Navy's two primary nuclear shipyard facilities. Period of performance runs from September 1, 2023, through August 31, 2028.
US Ecology Washington Inc., a subsidiary of Republic Services Inc., operates as the sole Class A, B, and C low-level radioactive waste disposal facility serving the Navy's shipyard network. Recent delivery orders issued under this IDIQ include a $290,297.15 order for LLRW disposal by volume at Richland (September 24, 2025); a $193,402.45 order for Puget Sound Naval Shipyard site availability charges (March 6, 2026); a $177,982.74 order for Pearl Harbor Naval Shipyard site availability charges (March 6, 2026); and multiple smaller disposal and site maintenance orders ranging from $7,306 to $412,962 throughout 2024 and 2025. As of May 2026, active task orders span Bremerton and Richland locations supporting ongoing nuclear waste management operations.
Task orders
Show all 23
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Other Administrative Action | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Supplemental Agreement for work within scope | $0 | |
| Original award | $0 |
Quick answers
Who was awarded contract N4523A23D4000?
N4523A23D4000 was awarded to US Ecology Washington Inc. by Naval Sea Systems Command (Department of the Navy) on September 1, 2023.
How much is contract N4523A23D4000 worth?
Orders under N4523A23D4000 have obligated $4,312,801. N4523A23D4000's own ceiling is $186,166,861. A single order can be worth up to $1,500,000.
How many orders have been placed under contract N4523A23D4000?
23 orders have been placed under N4523A23D4000, the latest on May 5, 2026.
Who can order from contract N4523A23D4000?
N4523A23D4000 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract N4523A23D4000 competed?
The extent of competition for N4523A23D4000 was not competed. The government received 1 offer.
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