National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood Products
What happened
The U.S. Environmental Protection Agency (EPA) finalized amendments to the national emissions standards for hazardous air pollutants (NESHAP) for the Plywood and Composite Wood Products (PCWP) category. These amendments set "maximum achievable control technology (MACT) standards" for various hazardous air pollutants, including formaldehyde, mercury, and hydrogen chloride. The rule addresses a 2007 "partial remand and vacatur of the 2004 final rule" and responds to a "petition for reconsideration regarding the 2020 residual risk and technology review (RTR)." The final rule was signed by Donald Trump and is effective on July 6, 2026.
Why it matters
This rule aims to reduce hazardous air pollutants released by facilities producing plywood and other wood products, potentially improving air quality in areas surrounding these facilities. It resolves long-standing issues from previous regulations, including a 2007 court decision and a 2020 review, creating more definitive guidelines for the industry.
Who it affects
- ›Plywood and Composite Wood Products (PCWP) manufacturers
- ›Facilities that are major sources of HAP emissions
- ›PCWP process units
- ›Lumber kilns
- ›Communities near affected wood product facilities
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