# Analytical Chem Lab Services for the Sixth UCMR

Canonical: https://abierto.us/opportunities/68herw26r0087

- Solicitation number: 68HERW26R0087
- Notice type: Sources sought
- Status: Closed. Deadline was August 19, 2026 at 4:00 PM EDT
- Department: Environmental Protection Agency
- Contracting office: Water, Tribal & Science Division (68HERW)
- NAICS: 541380 Testing Laboratories and Services
- Product or service code: R499 Other Professional Services
- First posted: August 5, 2026
- Last posted: August 5, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/7a7a1f03ca664b99b5636278fef9a237/view

## Description

Analytical Chemistry Laboratory Services Supporting the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6)

## Publications

- August 5, 2026: Sources sought, due August 19, 2026 at 4:00 PM EDT. Notice 7a7a1f03ca664b99b5636278fef9a237. https://sam.gov/workspace/contract/opp/7a7a1f03ca664b99b5636278fef9a237/view

## Points of contact

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

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/68herw26r0087.