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American
Wood Preservers Institute: First established in 1921, the American
Wood Preservers Institute (AWPI) is the national industry trade
association representing the pressure-treated wood industry throughout
the United States. Member companies are wood pressure treaters,
preservative manufacturers, and supporting companies working to
conserve forest resources, preserve the environment, and extend
the life of wood products through the manufacture of pressure-treated
wood. www.preservedwood.com
American
Wood Preserving Association: The American Wood-Preservers'
Association (AWPA) is an international, nonprofit technical organization
founded in 1904 to provide a common forum for the exchange of information
for all segments of the wood preservation industry. AWPA provides
a link for technical exchange between industry, researchers, and
users of treated wood. Its principal objective is to make wood
- the only renewable natural resource used as a structural material
- an even better material. www.awpa.com
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