Safe Pressure-Treated Lumber

Published Jan. 15, 2009 at 10:10 a.m.
For years, pressure-treated lumber was treated with an arsenic-based substance to help protect against moisture. In recent years, health concerns caused the United States' Environmental Protection Agency to convince lumber companies to change to a new, copper-based formula. However, is this new formula better? Learn how to build safer woodworking projects using this "new" pressure-treated lumber.


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