Effective Date & Compliance: The rule became effective on July 15, 2024, with major compliancedeadlines for monitoring and emission controls set for
Fenceline Monitoring: Affected facilities must monitor for benzene, ethylene oxide, 1,3-butadiene, chloroprene, ethylene dichloride, and vinyl chloride using EPA Method 325 A/B or Method 327
Targeted Sources: The regulations cover emissions from heat exchange systems, process vents, storage vessels, transfer racks, wastewater, and equipment leaks at major sources.
Public Data Disclosure: Fenceline monitoring data must be made publicly available to surrounding communities.
Corrective Actions: If action levels for toxic concentrations are exceeded, facilities must investigate and implement corrective measures by July 2027..
Industry Impact: The rule affects over 200 chemical manufacturing facilities, aiming to reduce cancer risks in surrounding communities