The Environmental Protection Agency (EPA) is seeking information from vendors capable of providing preventative and remedial maintenance services for Measurement Technology Laboratories (MTL) instrumentation and equipment at its facility in Ann Arbor, Michigan. The procurement includes troubleshooting, upgrades, spare parts, and commissioning for specific MTL-supplied systems, such as the AH 500 and AH 225-7 Ultra-Fine Precision Filter Weighing Systems, among others. This request for information (RFI) aims to gather market insights and identify potential vendors, with no guarantee of a subsequent solicitation or contract award. Interested parties should submit their responses and any inquiries via email to OARNVFELSACO@epa.gov by 1:00 PM EST on November 5, 2025, referencing RFI 68HE0M26Q0001 in the subject line.