Treated Wood Waste

California Department of Substance Control defines treated wood waste as "wood that has been treated with a chemical preservative for purposes of protecting the wood against attacks from insects, microorganisms, fungi, and other environmental conditions that can lead to decay of the wood, and the chemical preservative is registered pursuant to the Federal Insecticide, Fungicide, and Rodenticide Act (7 U.S.C. Sec. 136 et seq.). These preservatives often include one or more of the following constituents: arsenic, chromium, copper, pentachlorophenol, and creosote." This type of wood is commonly used in outdoor construction projects, such as decks, fences, bridges, playground equipment, residential, and commercial structures. Effective Jan. 1, 2021, California requires that all treated wood waste be managed under hazardous waste guidelines. That means if your project includes discarding treated wood waste as part of your normal waste disposal process, you must now follow hazardous waste laws. In California, treated wood waste is regulated under the California Code of Regulations, Title 22, Division 4.5, Chapter 12. These regulations include requirements for handling, storage, transportation, treatment, and disposal of treated wood waste. It is important for generators to familiarize themselves with these regulations to ensure compliance and to prevent potential environmental and health impacts. Treated wood waste is a significant environmental concern that requires careful management to minimize the risk of contamination. Guzi-West Inspection and Consulting plays a critical role in helping businesses and industries manage treated wood waste in an environmentally responsible manner. By recommending best practices for reuse, recycling, storage, and handling, Guzi-West helps businesses and industries reduce their environmental impact and comply with regulatory requirements.

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