Illinois underground storage tank regulations are about to change significantly in 2018. The main agency that regulates underground storage tanks (USTs) in Illinois is the Office of the State Fire Marshal (OSFM). The OSFM works in conjunction with the Environmental Protection Agency whom creates the laws. The OSFM is responsible for enforcing all laws pertaining to underground storage tanks that are 110 gallons or more. The OSFM is tasked with preforming inspections in Illinois and with the new regulations coming online this year they plan on being extremely busy. New Illinois underground storage tank regulations for 2018 The newest regulation…