After December 31, 2003 , the effective date of the new labeling, CCA may be used to treat only wood and forest products falling under the AWPA Commodity Standards set forth on the label.

Special Note: Please notice that information regarding rules and laws concerning product specification and treatment is provided by others. This website is a “Good Faith Effort” to assist customers with specifications. Wood Treaters, LLC makes every reasonable attempt to give accurate information, but Wood Treaters, LLC DOES NOT accept any responsibility for the inaccuracy of the information provided.

The following list is taken from the 2001 edition
of the American Wood-Preservers' Association Standards to illustrate examples of the types of
wood that fall within each standard.

While the list is not exhaustive, it does provide some examples of specific uses within each AWPA commodity standards that may be treated with CCA.

Lumber and Timber for Salt Water Use Only
(AWPA Standard C2)

• Aquaculture timber, in salt water and subject to marine borer attack
• Boat Building material
• Lumber, timbers, plywood, in salt water and subject to marine borer attack
• Bulkhead Sheathing
• In salt water and subject to marine borer attack
  - Mariculture lumbers and timbers
• In brackish or saltwater use and subject to marine borer attack
  - Marine lumber and timbers
  - Oyster farming timbers
  - Highway Material
• Structural lumber and timbers in salt water use and subject to marine borer attack

Piles (AWPA Standard C3)

• Highway Material
• Piles, foundation, land and fresh water use
• Piling in salt water use and subject to marine borer attack
• Foundation (round)
• Land and fresh water use (round)
• Marine (round) in salt or brackish and subject to marine borer attack
• Marine, dual treatment (round)

Poles (AWPA Standard C4)

• Agriculture, Wood used on farms
  - Round poles
  - As round structural members
• Highway material
  - Poles, lighting
• Poles, agriculture
  - Round
• Poles, building
  - Round
• Poles, utility
  - Distribution
  - Transmission

Plywood (AWPA Standard C9)

• Agriculture, Wood used on farms
  - Plywood, not in soil contact
  - Plywood, in soil contact
• Boat building material
  - Plywood, fresh water
  - Lumber, timbers, plywood, in salt water and
    subject to marine borer attack
• Building construction material
  - Roof decking, plywood
• Decking, Tongue and Groove
  - Flooring, plywood
  - Subflooring, plywood
• Decking
  - Roof, plywood
• Plywood
  - Sub-floor, damp, above ground
  - Exterior, above ground
  - Soil contact

Wood for Highway Construction (AWPA Standard C14)

• Beams and timbers, glue laminated before or after treatment
  - For highway construction
• Decking
  - Highway bridge
• Highway material
• Lumber and timber for bridges, structural members, decking, cribbing, and culverts
• Structural lumber and timbers in salt water use and subject to marine borer attack
  - Piles, foundation, land and fresh water use
  - Piling in salt water use and subject to marine borer   attack
  - Posts: Round, half-round, quarter round
  - Posts: Sawn
  - Poles, lighting
• Glue laminated beams
• Brine Storage buildings
• Posts, guardrail
  - Round
  - Sawn
• Posts, sawn four sides
  - Highway
  - Other

Poles, Piles and Posts Used as Structural Members on Farms, Fence Posts and Plywood Used on Farms (AWPA Standard C16)

• Agriculture, Wood used on farms
  - Round poles and posts as round structural members
  - Sawn poles and posts
  - As structural members
  - Plywood, not in soil contact
  - Plywood, in soil contact
• Sawn building poles and posts
  - As structural members
• Round building poles and posts
  - As structural members
• Sawn structural timbers (piles)
  - Supporting residential and commercial structures
• Poles, agriculture
  - Round
  - Sawn
• Posts, fence
  - Round, Half-round, and quarter round

Wood for Marine Construction (AWPA Standard C18)

• Aquaculture timber, in salt water and subject to marine borer attack
• Mariculture lumber and timbers
  - In brackish or saltwater use and subject to marine   borer attack
• Marine lumber and timbers
  - In brackish or saltwater use and subject to marine   borer attack
• Oyster farming timbers
• Piles
  - Marine (round) in salt or brackish and subject to   marine borer attack
  - Marine, dual treatment (round)

Lumber and Plywood for Permanent Wood Foundations (AWPA Standard C22)

• PWF Lumber and Plywood

Round Poles and Posts Used in Building Construction (AWPA Standard C23)

• Round building poles and posts
  - As structural members
• Poles, building
  - Round

Sawn Timber Used to Support Residential and Commercial Structures (AWPA Standard C24)

• Sawn structural timbers (piles)
  - Supporting residential and commercial structures
• Piles
  - Sawn timber piles

Sawn Crossarms (AWPA Standard C25)

• Crossarms, sawn

Structural Glued-Laminated Members and Laminations before Gluing (AWPA Standard C28)

• Beams and timbers, glue laminated before or after treatment
  - Damp environment, above ground
  - Dry environment, above ground
  - Ground contact
• Highway material
  - Glue laminated beams

Structural Composite Lumber (AWPA Standard C33)

• Highway material
  - Structural composite lumber
• Lumber, structural composite
  - Above ground
  - Soil or fresh water contact
  - Highway construction

Shakes and Shingles (AWPA Standard C34)

• Shakes and Shingles
• Siding, commercial, residential, agricultural