PURPOSE: This rule clarifies that all wood preservatives used must be registered with or exempted from registration with the Environmental Protection Agency before they may be used.

1. (1) All wood treating preservatives used must be registered with or exempted from registration with the Environmental Protection Agency before they may be used.

AUTHORITY: section 280.050, RSMo 2000.* Original rule filed Feb. 6, 2008, effective Sept. 30, 2008.

*Original authority: 280.050, RSMo 1961, amended 1979, 1984, 1993, 1995.