So far, state officials believe around 7,500 homes across Massachusetts could be at risk of pyrrhotite contamination. "If you are thinking of buying in this area, you absolutely have to have the ...

The Massachusetts Residents Against Crumbling ... year requiring all aggregate producers to test for the presence of pyrrhotite by obtaining a license through the Highway Division of ...

Massachusetts homeowners across the state ... The home foundations are failing because the concrete is contaminated with pyrrhotite, a natural mineral that causes concrete to crumble.

Homes from Southwick up to Ashburnham and east to Boxford and Dracut have tested positive for pyrrhotite ... crumbling ...