The Environmental Protection Agency (EPA) is seeking sources for support related to the Clean Air Status and Trends Network (CASTNET). This procurement aims to enhance environmental consulting services, specifically focusing on monitoring and assessing air quality trends across the United States. The services provided will play a crucial role in informing policy decisions and ensuring compliance with air quality standards. Interested parties can reach out to Michael C. Fox at fox.michael@epa.gov or call 202-564-2550 for further details regarding this opportunity.