# Scientific, Technical and Regulatory Support for D

Canonical: https://abierto.us/opportunities/68herc23r0326

- Solicitation number: 68HERC23R0326
- Notice type: Solicitation (first published as presolicitation)
- Status: Closed. Deadline was December 1, 2025 at 4:30 PM EST
- Department: Environmental Protection Agency
- Contracting office: Cincinnati Acquisition Div (Cad) (68HERC)
- NAICS: 541620 Environmental Consulting Services
- Product or service code: F999 Other Environmental Services, Studies, and Analytical Support
- Set-aside: Total small business set-aside
- First posted: July 2, 2024
- Last posted: October 24, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/f77ef6e4409c44619c831b46338781ea/view

## Description

Scientific, Technical and Regulatory Support for Development and Implementation of Ecological, Human Health and Other Environmental Criteria and Standards

## Publications

- July 2, 2024: Presolicitation, due July 19, 2024 at 4:30 PM EDT. Notice e94dbfcab5de482eb054fc3a7f2a3c8a. https://sam.gov/workspace/contract/opp/e94dbfcab5de482eb054fc3a7f2a3c8a/view
- September 19, 2025: Presolicitation, due September 26, 2025 at 4:30 PM EDT. Notice d7a9932e732e42aaa19212ebd6208980. https://sam.gov/workspace/contract/opp/d7a9932e732e42aaa19212ebd6208980/view
- October 7, 2025: Solicitation, due November 7, 2025 at 4:30 PM EST. Notice f8bd3e88939b49b0b99a6ec8410ec95c. https://sam.gov/workspace/contract/opp/f8bd3e88939b49b0b99a6ec8410ec95c/view
- October 24, 2025: Solicitation, due December 1, 2025 at 4:30 PM EST. Notice f77ef6e4409c44619c831b46338781ea. https://sam.gov/workspace/contract/opp/f77ef6e4409c44619c831b46338781ea/view

## Points of contact

- Pfeffer, Keith, Pfeffer.Keith@epa.gov, 513-487-2034

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/68herc23r0326.