This bid is closed — responses were due April 21, 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 special notice for the Systematic Targeting Of MicroPlastics (STOMP) program under ARPA-H. It announces a Proposers' Day for potential proposers interested in the program.
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