The Michigan Department of Environmental Quality, Waste and Hazardous Materials Division, amended R 29.2101, R 29.2103, R 29.2107, R 29.2109, R 29.2111, and R 29.2113 of the Michigan Administrative Code. The amendments address UST system design, construction, installation, and notification. http://www.michigan.gov/documents/dleg/MR12_071508_242277_7.pdf pp.72-88.