Low urgency

Air Plan Approval; Pennsylvania; Harrisburg-Lebanon-Carlisle-York Maintenance Area, Second 10-Year Maintenance Plan for the 2006 Fine Particulate Matter National Ambient Air Quality Standard

Detected July 29, 2026 · in Environmental & Emissions Compliance (EPA)

EPA proposes to approve Pennsylvania's second 10-year maintenance plan for the Harrisburg-Lebanon-Carlisle-York area, maintaining the 2006 fine particulate matter (PM2.5) standard. No new requirements for businesses.

Aforeworn detected this change in the Environmental & Emissions Compliance (EPA) space on July 29, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Low urgency. Manufacturers, power generators, chemical processors, and other sources of PM2.5 emissions in the Harrisburg-Lebanon-Carlisle-York maintenance area. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not applicable.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Environmental & Emissions Compliance (EPA) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.

What changed

The EPA is proposing to approve the state's plan showing continued attainment of the 2006 PM2.5 standard for the second 10-year period. No new emission limits, reporting, or permit requirements are introduced.

Who it affects

Manufacturers, power generators, chemical processors, and other sources of PM2.5 emissions in the Harrisburg-Lebanon-Carlisle-York maintenance area.

What you must do

No immediate action required. Monitor final rule for any changes.

Deadline

Not applicable.

Source: https://www.federalregister.gov/documents/2026/07/23/2026-14902/air-plan-approval-pennsylvania-harrisburg-lebanon-carlisle-york-maintenance-area-second-10-year

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