The Environmental Protection Agency Region 1 is soliciting proficiency testing (PT) samples from qualified vendors. This procurement falls under NAICS code 325199 (All Other Basic Organic Chemical Manufacturing) and PSC category H268 (Equipment and Materials Testing—Chemicals and Chemical Products). The solicitation was posted on April 10, 2026, with a submission deadline of April 23, 2026, providing a narrow 13-day response window for interested vendors. While the specific contract requirements, qualifications, and evaluation criteria are not detailed in this notice, vendors should anticipate that PT sample quality, consistency, and compliance with testing standards will likely be critical factors. Prospective bidders must submit their proposals by April 23, 2026, to be considered for this opportunity.

This procurement carries no set-aside designations, meaning it is open to competition from all eligible contractors regardless of business size or socioeconomic status. The notice does not identify any incumbent contractors or provide specific award values or budget ranges for this contract. The place of performance is located at 11 Technology Drive, North Chelmsford, Massachusetts 01863. Additional details regarding the quantity of PT samples required, contract duration, specific performance timelines, and other substantive requirements would be contained in the complete solicitation document, which vendors should obtain directly from the EPA Region 1 contracting office to ensure full compliance with all technical and administrative specifications.

Proficiency Testing (PT) Samples

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