# Systematic Targeting Of MicroPlastics (STOMP)

Canonical: https://abierto.us/opportunities/arpahsol26152

- Solicitation number: ARPA-H-SOL-26-152
- Notice type: Solicitation
- Status: Closed. Deadline was June 22, 2026 at 5:00 PM EDT
- Department: Department of Health and Human Services
- Agency: National Institutes of Health
- Contracting office: Advanced Research Projects Agency for Health (Arpa-H) (75N992)
- NAICS: 541714 Research and Development in Biotechnology (except Nanobiotechnology)
- Product or service code: AN13 Health R&D Services; Health Care Services; Experimental Development
- Place of performance: Washington, District of Columbia
- County: District of Columbia (FIPS 11001). https://abierto.us/counties/district-of-columbia-dc-11001
- City: Washington. https://abierto.us/cities/washington-dc-1150000
- First posted: April 2, 2026
- Last posted: June 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/b7338e41ddbf4ba78ba4507bc46198e8/view

## Description

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 µm 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.

## Publications

- April 2, 2026: Solicitation, due June 22, 2026 at 5:00 PM EDT. Notice 757d91fb1b3443e7a6ccf0de9cbdea95. https://sam.gov/workspace/contract/opp/757d91fb1b3443e7a6ccf0de9cbdea95/view
- April 2, 2026: Solicitation, due June 22, 2026 at 5:00 PM EDT. Notice fd0256b2ef734583b4f8787dfe12ae9b. https://sam.gov/workspace/contract/opp/fd0256b2ef734583b4f8787dfe12ae9b/view
- April 20, 2026: Solicitation, due June 22, 2026 at 5:00 PM EDT. Notice 1bf9e009957d4a9abc9d3c7133581176. https://sam.gov/workspace/contract/opp/1bf9e009957d4a9abc9d3c7133581176/view
- May 6, 2026: Solicitation, due June 22, 2026 at 5:00 PM EDT. Notice b10d9c0c5414419facfa28f3f7798d0c. https://sam.gov/workspace/contract/opp/b10d9c0c5414419facfa28f3f7798d0c/view
- June 2, 2026: Solicitation, due June 22, 2026 at 5:00 PM EDT. Notice b7338e41ddbf4ba78ba4507bc46198e8. https://sam.gov/workspace/contract/opp/b7338e41ddbf4ba78ba4507bc46198e8/view

## Points of contact

- The STOMP Team, STOMP@arpa-h.gov

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/arpahsol26152.