When will changes in the onsite professional rules be effective?
In December 2008, rule changes were published in the Missouri Register for the rule that established requirements for OWTS installers, onsite soil evaluators and percolation testers, 19 CSR 20-3.080, and the rule that established requirements for inspectors, 19 CSR 20-3.070. Final Orders of Rulemaking have been published in the April 1, 2009 edition of the Missouri Register. These changes will become effective on May 30, 2009.