B--The purpose of this Solicitation is to award a New

Amendment 002 provides a list of contract line items. See FedConnect linked below for the attachment.
Amendment 001 posted the attached Q & A on May 22,2025. See FedCOnnect linked below for the attachment.
EPA Research Triangle Park, North Carolina is responsible for procuring, testing, and distributing filters of high purity to the State/local air pollution control agencies. The quartz filters are used with a size selective sampler (SSI) to collect PM-10 (particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers) samples. The glass fiber filters are used with a Total Suspended Particulate (TSP) sampler. The Teflon filters are used with a sampler to collect PM2.5 (particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers) samples. This process assures filters with uniform characteristics and known quality assurance testing for the national particulate networks. .... Read More