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Amendments Promulgated for 40 CFR 63 Subpart DDDD: Plywood and Composite Wood Products

Amendments Promulgated for 40 CFR 63 Subpart DDDD: Plywood and Composite Wood Products

On August 13, 2020, the Environmental Protection Agency (EPA) finalized the residual risk and technology review (RTR) conducted for the plywood and composite wood products (PCWP) source category regulated under national emission standards for hazardous air pollutants (NESHAP).

While the amendments to 40 CFR 63 Subpart DDDD did not include revisions to the emissions limits, they did address emissions during periods of startup, shut down, and malfunction.

Additionally, requirements for electronic reporting utilizing the EPA’s Compliance and Emissions Data Reporting Interface (CEDRI), and repeat emissions testing every 5 years for process units controlled with devices other than biofilters. The first of the 5-year repeat tests will be required within 3 years from the effective date of the final amendment.

Further amendments include parameter monitoring requirements, Non-HAP coating definition, and technical and editorial changes.

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