# CASTNET VII

Canonical: https://abierto.us/opportunities/68herl26r0002

- Solicitation number: 68HERL26R0002
- Notice type: Award notice (first published as presolicitation)
- Status: Awarded to WSP USA Inc. 1300 17th St N Ste 1000 Arlington for $43,443,399.00
- Department: Environmental Protection Agency
- Contracting office: Land, Enforcement, and Air Division (68HERL)
- NAICS: 541620 Environmental Consulting Services
- Product or service code: R499 Other Professional Services
- First posted: January 29, 2026
- Last posted: September 8, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/62dd29c942c244d48da83efa705075da/view

## Description

Operation of the Clean Air Status and Trends Network (CASTNET)

## Publications

- January 29, 2026: Presolicitation. Notice b289d11bb7084f56b418697cf7766320. https://sam.gov/workspace/contract/opp/b289d11bb7084f56b418697cf7766320/view
- February 13, 2026: Solicitation, due March 23, 2026 at 2:30 PM EDT. Notice b20a885e377c465c812642c60d97aa8d. https://sam.gov/workspace/contract/opp/b20a885e377c465c812642c60d97aa8d/view
- March 3, 2026: Solicitation, due March 23, 2026 at 2:30 PM EDT. Notice 5d950fd8c1f348179a2a7aedb6ca0750. https://sam.gov/workspace/contract/opp/5d950fd8c1f348179a2a7aedb6ca0750/view
- September 8, 2026: Award notice. Notice 62dd29c942c244d48da83efa705075da. https://sam.gov/workspace/contract/opp/62dd29c942c244d48da83efa705075da/view

## Points of contact

- Fox, Michael C., fox.michael@epa.gov, 202-564-2550

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/68herl26r0002.