The contamination of Michigan’s water supply by chemical substances commonly found in fabric treatments, soaps, firefighting foam and other products took center stage on Capitol Hill last week.

Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that break down very slowly in the environment, are highly soluble and easily transfer through soil to groundwater.

The latest data released earlier this month from the state shows there are 62 confirmed PFAS sites in Michigan.

Sandy Wynn-Stelt, a Belmont resident, lives in one of the areas that has been under scrutiny for