11 Sep '11, 11am

Wood Preservatives and the Battle of Big Government : TreeHugger via @TreeHugger

Wood Preservatives and the Battle of Big Government : TreeHugger via @TreeHugger

Government Steps In This microcosm of Big Government versus Small Business finds its roots in 2007, when the re-registration eligibility decision for copper naphthenate salts came due. Copper naphthenate salts are used as wood preservatives. Re-registration is the periodic review of any registered pesticide, necessary to ensure that new evidence and risk assessment methods do not indicate that the pesticide is doing more harm than good. Copper naphthenate seems not to be a bad actor in general. But available studies do show that copper naphthenate does leach out of treated wood, does persist in the environment, and is toxic to fish, aquatic invertebrates, oysters, and shrimp. EPA decided they needed more data, especially a fish bioaccumulation study and studies on a dozen aquatic and marine species. EPA also required some new label statements, for example to remind users n...

Full article: http://www.treehugger.com/files/2011/09/wood-preservative...

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