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Sources sought, service-disabled veteran-owned small business set-aside

SOLICITATION NUMBER 391471 “COST PRICE AUDIT SUPPORT”

SOLICITATION_NUMBER_391471

Department of Energy, Hanford Tank Waste Operations & Closure LLC - DOE Contractor. Other Accounting Services.

View on SAM.gov Markdown

Response deadline

September 9, 2026 at 5:00 PM EDT

Closed 53 days ago. Posted September 2, 2026, first published July 30, 2026. Scheduled to archive September 10, 2026.

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Description

As published on SAM.gov.

Hanford Tank Waste Operations & Closure, LLC (H2C) requests proposals for Cost Price Audit Support. The requested work is in support of H2C’s Prime Contract 89303324DEM000096 with the U.S. Department of Energy, Office of River Protection.

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. July 30, 2026

    Sources sought

    Due August 20, 2026 at 5:00 PM EDT. SAM.gov, notice 761b015b0f8142a8a90175a89ba2ffa3

    4 revisions on SAM
    • September 2, 2026: publish, sources sought
    • August 25, 2026: publish, sources sought
    • August 18, 2026: publish, sources sought
    • July 30, 2026: publish, sources sought

  2. August 18, 2026

    Sources sought

    Due August 27, 2026 at 5:00 PM EDT. SAM.gov, notice 60d987faa0b54dc689399cb0b1b9780f

    4 revisions on SAM
    • September 2, 2026: publish, sources sought
    • August 25, 2026: publish, sources sought
    • August 18, 2026: publish, sources sought
    • July 30, 2026: publish, sources sought

  3. August 25, 2026

    Sources sought

    Due September 3, 2026 at 5:00 PM EDT. SAM.gov, notice c60daa16ad2d4a8aa4a6ac6f0b4bf393

    4 revisions on SAM
    • September 2, 2026: publish, sources sought
    • August 25, 2026: publish, sources sought
    • August 18, 2026: publish, sources sought
    • July 30, 2026: publish, sources sought

  4. September 2, 2026

    Sources sought

    Due September 9, 2026 at 5:00 PM EDT. SAM.gov, notice c10f132a3575487bac2bc2b378a860d5

    4 revisions on SAM
    • September 2, 2026: publish, sources sought
    • August 25, 2026: publish, sources sought
    • August 18, 2026: publish, sources sought
    • July 30, 2026: publish, sources sought

Points of contact