This bid is closed — responses were due June 22, 2026.
It is no longer accepting submissions. We keep closed bids on BidsNexus for reference: agencies often re-issue the same need, and past bids show what they buy and when.
This is a Request for Proposal (RFP) from the National Park Service for IMPROVE Ion Analysis. The solicitation number is NR-ARD-271 and the due date is June 22, 2026.
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