Federal Register #EPA-R03-OAR-2025-0225

EPA Approval of Virginia SIP Revision for VOC Definition Alignment

This opportunity summary is based on a regulatory approval, not a procurement action: - The Environmental Protection Agency (EPA) approved a revision to Virginia's State Implementation Plan (SIP) - Revision submitted by the Virginia Department of Environmental Quality (VADEQ) - The revision updates the definition of volatile organic compound (VOC) in Virginia regulations - Adds trans-1,1,1,4,4,4-hexafluorobut-2-ene (HFO1336mzz(E), CAS 66711-86-2) to the list of compounds excluded from the VOC definition - Aligns Virginia's definition with the EPA's regulatory definition - No products, services, OEMs, or vendors are requested or mentioned - No procurement, contract, or acquisition activity is associated with this action - The change ensures regulatory consistency between state and federal air quality rules

Description

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia. This revision amends the definition of volatile organic compound (VOC) in the Virginia Administrative Code to align with the EPA's regulatory definition of VOC. The revision adds trans-1,1,1,4,4,4-hexafluorobut-2-ene (HFO1336mzz(E)) to the list of compounds excluded from the regulatory definition of VOC. The EPA's approval updates the definition of VOC in the Virginia SIP to reflect the EPA's February 8, 2023 final rule. The final rule is effective May 26, 2026.

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