Me. Stat. tit. 23 § 357
The Department of Transportation shall adopt rules governing corrosion mitigation methods for steel bridges wholly under the control of the State. Rules adopted pursuant to this section must include, but are not limited to, establishing processes for ensuring that corrosion mitigation activities are carried out in accordance with established corrosion mitigation standards and under the supervision of personnel who are trained and certified in corrosion mitigation methods on an appropriate substrate or surface; requiring plans to prevent environmental degradation that might result from corrosion mitigation activities; and requiring compliance with all applicable state and federal rules and regulations of the United States Environmental Protection Agency, the United States Department of Labor, Occupational Safety and Health Administration and the Department of Environmental Protection. Rules adopted pursuant to this section are not required to apply to routine maintenance work performed by employees of the Department of Transportation employees or its contractors. Rules adopted pursuant to this section are routine technical rules as defined in Title 5, chapter 375, subchapter 2-A.
23 M.R.S. § 357