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Heavy Mineral Separation Services — Other Environmental Services

Issued by INTERIOR, DEPARTMENT OF THE · US GEOLOGICAL SURVEY · OFC OF ACQUISITION GRANTS-DENVER · via SAM.gov — US federal contract opportunities

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Published
28 Aug 2026
Closes
18 Sept 2026, 23:00 UTC
Reference
140G0226Q0162
Location
United States
Sector
Mining & Metals

Details

INTERIOR, DEPARTMENT OF THE · US GEOLOGICAL SURVEY · OFC OF ACQUISITION GRANTS-DENVER is soliciting Heavy Mineral Separation Services — Other Environmental Services. Solicitation number 140G0226Q0162. Classified under NAICS 213115 — Support Activities for Nonmetallic Minerals (except Fuels). Product/service code F999 — OTHER ENVIRONMENTAL SERVICES. Responses are due by 18 September 2026 23:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

HEAVY MINERAL SEPARATION SERVICES 1) This Synopsis/Solicitation Notice is to announce the U.S. Department of Interior (DOI}, U.S. Geological Survey has a requirement for HEAVY MINERAL SEPARATION SERVICES at The US Geological Survey (USGS) USGS Mineral & Environmental Res. 2) The synopsis/solicitation is 140G0226Q0162 and is being issued as a Request for Quote. 3) The award for this requirement shall be made using the policies in the Federal Acquisition Regulations (FAR) Part 12, Acquisition of Commercial Items, and in conjunction with the policies and procedures for solicitation, evaluation, and award prescribed in FAR 13.5 Simplified Procedures for Certain Commercial Items, as appropriate for this acquisition. Award shall be made to the vendor whose quote, conforming to this RFQ is determined to be the most advantages to the government. 4) This solicitation is a SMALL BUSINSESS SET ASIDE. The associated NAICS Code is 213115 - Support Activities for Nonmetallic Minerals (except Fuels) Mining. 5) A copy of this solicitation may be accessed by clicking "Attachments/Links". 6) All requirements for preparation, submission, and receipt of quotes are contained in this solicitation and shall be adhered to.

Context for bidders

We hold 12 notices from INTERIOR, DEPARTMENT OF THE · US GEOLOGICAL SURVEY · OFC OF ACQUISITION GRANTS-DENVER, going back to August 2026 — 12 of them still open. They buy mostly in Financial & Professional Services, electronics-semiconductors and Construction & Infrastructure. There are 6 open Mining & Metals tenders in United States. This one closes in 11 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this mining & metals opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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