This is a sole source acquisition for a five-year indefinite delivery, indefinite quantity (IDIQ) contract for Sodium Tungstate. A Justification and Approval (J&A) document is attached explaining the sole source nature. Vendor questions must be submitted via email to the specified points of contact. The period for submitting questions closes on 03 MAR 2026 at 5:00 PM EST. Proposals are due by 5:00 PM EST on 11 MAR 2026 and must be submitted electronically via email.

This is a sole source acquisition for an indefinite delivery, indefinite quantity (IDIQ) contract for Sodium Tungstate over a five-year ordering period. A Justification and Approval (J&A) document is attached to explain the sole source nature. All vendor questions must be submitted via email to the specified points of contact. The period for responding to questions will close after a specified date. Proposals must be submitted electronically via email by a specified deadline.

This is a sole source acquisition for a five-year indefinite delivery, indefinite quantity (IDIQ) contract to supply Sodium Tungstate. A Justification and Approval (J&A) document is attached explaining the sole source justification. Vendor questions must be submitted via email to the specified points of contact.