Pittsburgh-area schools invested big money in crumb rubber fields. But how safe are they for your kids?

Health Locally, millions of dollars have been spent installing new crumb rubber fields this summer at high school fields including Keystone Oaks, Bethel Park, Upper St. Clair, Fox Chapel, North Allegheny and South Fayette.

A federal inquiry into the safety of crumb rubber launched in February because of concerns that the product may be endangering the health of young athletes.