Composite wood products must meet new U.S. Environmental Protection Agency (EPA) formaldehyde emissions regulations as of June 1, 2018.
Among the products impacted: particleboard, medium density fiberboard (MDF), and hardwood (decorative) plywood. Structural engineered wood products manufactured for construction applications, such as structural plywood, oriented strand board (OSB), wood I-joists, laminated veneer lumber, and glued-laminated timber, are exempt from the regulation.
Structural engineered wood products marked with the APA Mark of Quality are exempt from the regulation.