The Department of Environmental Protection has adopted amendments to rules regarding industrial pretreatment. This is a routine periodic update of an existing rule being done to maintain consistency with EPA's parallel Industrial Pretreatment Program, 40 CFR Part 403. Changes to the federal regulation, collectively referred to as the "Pretreatment Streamlining Rule", effective November 14, 2005, are incorporated therein. This change became effective March 17, 2008. http://www.maine.gov/sos/cec/rules/notices/2008/031908.htm.