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Pressure-treated wood

Recycling & Reuse Options

General Recycling Information:

DO NOT THROW AWAY IN THE TRASH--this is hazardous waste. 

“Treated wood” means 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. The most common types of wood preservatives are  alkaline copper quaternary (ACQ); copper azole (CA-B); copper boron  azole (CBA-A); Chromated copper arsenate (CCA); ammoniacal copper zinc  arsenate (ACZA): creosote; Pentachlorophenol (PCP) and copper  naphthenate.

 How can you tell if wood is treated?

  • The wood may be identified by an ink stamp or an end tag indicating treatment.
  • The wood may be identified by the presence of small closely spaced  incisions on the full surface of the wood. This wood has been “incised”  to enhance treatment.
  • The wood may appear greenish in color if it has not been stained or painted.
  • The wood may appear dark brown in color with a slight petroleum odor if it was used in industrial or transportation systems.
  • A crosscut section of the wood may reveal the preservative treatment as a darker color in the outer to 1 inch.
  • The location of the wood within a project and the project type may also suggest the presence of treated wood.
  • If the wood was in contact with the ground or water, or exposed to the  elements, and is not a decay resistant species such as redwood or cedar  it is likely to be a treated material.

Yolo County Central Landfill will accept small lengths (5™ or less) of pressure treated wood if it is disassembled and separated from other items.

Recology Hay Road Landfill accepts pressure treated wood from businesses and in large quantities. Call for acceptance criteria (707) 678-1492 or (800) 208-2370, ext 229.

Davis Waste Removal ©2016                info@dwrco.com                (530) 756-4646

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