About this archived opportunity

June 2, 2026 - Amendment 3 to STOMP ISO ARPA-H-SOL-26-152. This amendment incorporates the following changes: 1. Figure 8: TA2.1 metrics and Section 2.5 Microplastics Samples has been updated. All other terms and conditions remain unchanged. ________________________________________________________________________ May 6, 2026 - Amendment 2 to STOMP ISO ARPA-H-SOL-26-152. This amendment incorporates the following changes: 1. Corrects a typo under Figure 4: TA1.2 metrics, from 50 �m to 50 nm. 2. Section B. Cost and Pricing Data Support under page 46 has been revised. The requirements that have been removed are only necessary if proposers are selected for negotiations. All other terms and conditions remain unchanged. ____________________________________________________________ April 20, 2026 - Amendment 1 to STOMP ISO ARPA-H-SOL-26-152. This amendment corrects the Figure number on Page 11 and incorporates Figure 6 on Page 15. _____________________________________________________________________ All questions submitted to the ISO will be compiled and addressed. Responses will be posted to the STOMP Frequently Asked Questions (FAQ) page. Potential proposers are encouraged to monitor the FAQ page regularly for the latest information and updates: https://arpa-h.gov/explore-funding/programs/stomp/faqs _____________________________________________________________________ The Advanced Research Projects Agency for Health (ARPA-H) is posting this Innovative Solutions Opening (ISO) in support of the Systematic Targeting Of MicroPlastics (STOMP) Program. ARPA-H anticipates multiple Other Transaction (OT) Agreements will result from this announcement. Interested parties are invited to review the STOMP_ISO_ARPA-H-SOL-26-152 and assciated attachments. Additionally, proposers are encouraged to review the separate Special Notice, ARPA-H-SN-26-150, for information regarding the STOMP Proposers� Day. Special Notice (SN), ARPA-H-SN-26-150, is an independent announcement and is not attached to this ISO announcement.

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