American Wood Protection Association: The American Wood Protection 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.
Railway Tie Association: The purpose of the Association is to promote the economical and environmentally sound use of wood crossties. The Association is involved in research into crosstie design, and ongoing activities dealing with sound forest management, conservation of timber resources, timber processing, wood preservation and safety of industry workers.
Association of American Railroads: AAR members include the major freight railroads in the United States, Canada and Mexico, as well as Amtrak. Based in Washington, DC, the AAR is committed to keeping the railroads of North America safe, fast, efficient, clean, and technologically advanced.
Canadian Institute of Treated Wood: The Canadian Institute of Treated Wood is a non-profit industry association comprising members from across Canada. Operating under a Federal Charter, the Institute serves as a forum for those involved with the wood preservation industry, from research to production, marketing and protection of the environment. CITW members cooperate with government departments and other agencies in preparing standards for the industry, and in developing guidelines for the design and operation of wood preservation facilities. It works with Canadian university testing laboratories, faculties and independent research organizations concerned with the development of treated wood.
The EPA Office of Pesticide Programs maintains one of several EPA websites with information on creosote. More information about reregistration of creosote is available in the section of EPA’s website entitled Creosote and Its Use As a Wood Preservative.
See also http://www.epa.gov/pesticides/factsheets/chemicals/creosote_main.htm
The Western Wood Preservers Institute: It is the WWPI mission to protect and promote the manufacture and markets for preservative treated wood products produced by the industry in western North America. Headquartered in Vancouver Washington, the Western Wood Preservers Institute is an organization that has represented the interest of the pressure treating wood products industry throughout western North America for more than 50 years