F--NOTICE OF INTENT TO AWARD SOLE SOURCE for AERMOD and Greenbook Maintenance and

Tender summary

The Government hereby submits a notice of intent to award a sole-source firm-fixed-price GSA Federal Supply Schedule (FSS) task order to WSP USA ENVIRONMENT & INFRASTRUCTURE, Inc. (other than small business, UEI C76NUJZDXL75). The purpose of the order is to obtain contractor support for: 1) maintenance and enhancements of the American Meteorological Society/Environmental Protection Agency (AMS/EPA) Regulatory Model (AERMOD) modeling system and 2) operate, maintain, modify, and enhance the Green Book. The period of performance for this effort will be four (4) months. The total estimated value is $256,000.00. This sole source contracting action is pursuing a waiver from placing an order on a competitive basis under FAR 8.405-2 for the aforementioned requirement based on the application of FAR 8.405-6(a)(1)(i)(B). This hereby constitutes a synopsis of the options included in this requirement. Responses to this notice must demonstrate clear and convincing evidence that competition would be advantageous to the Government, would not be cost or time prohibitive, and would not hinder the mission objective of the of supporting the EPA’s AERMOD and Greenbook program from WSP USA ENVIRONMENT & INFRASTRUCTURE, Inc. Interested parties may identify their interest and capability to respond to this requirement no later than February 27, 2026. The determination not to complete this proposed contract action is solely within the discretion of the Government. Information received will normally be considered to determine whether to conduct competitive procurement. The Government will not be responsible for any costs incurred by responding to this notice. This Notice of Intent is not a request for quotes/proposals. This is not a solicitation or request for offers. No solicitation package is available, and telephone requests will not be honored. Responses to this Notice of Intent should be directed to the Contracting Officer, Hillari Hawkins, at hawkins.hawkins@epa.gov and Tanya Brice at brice.tanya@epa.gov via e-mail only. Please indicate in the subject of your email: AERMOD and Greenbook Maintenance and Support Solicitation Number: 68HERL26Q0027 Type: Special Notice Base Type: Special Notice NAICS: 541620 Classification Code: F999 Response Deadline: 2026-02-27T12:00:00-05:00 Office Address: Washington, DC POC: Brice, Tanya, brice.tanya@epa.gov, 202-564-4799

What to check before bidding

• Located in United States.
• Source notice 609b0b6119ed4b178be64ecf95dc8e06 on SAM.gov.
• Notice published 20 Feb 2026; Tenqual indexed it 22 Feb 2026.
• Deadline listed as 27 Feb 2026.
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