Crumb rubber infill is lifted from the turf as a Yarmouth High School field hockey player drives a ball on the field Friday. Studies have been done by the U.S. Environmental Agency, the Centers for Disease Control and Prevention and several state agencies that have found no link between cancer and crumb rubber.

Particles of crumb rubber infill stick to a field hockey ball at the Yarmouth High School field.

Field hockey players and coaches run drills on the crumb rubber turf field in Yarmouth. While early studies in crumb rubber showed that the tiny pellets contained traces of toxic elements, none were found to be at levels dangerous to a person’s health.

The Yarmouth High School field hockey team practices on its turf field on Friday.

Dylan Rudolph of Northeast Turf, based in Saco, works on the installation of a new turf field at Massabesic High School in Waterboro. Massabesic went with EPDM.

Chris Counts of Northeast Turf, based in Saco, works on the installation of a new turf field at Massabesic High School in Waterboro last month. Fewer than 10 percent of the 153 high schools that are members of the Maine Principals’ Association have artificial turf fields.

WATERBORO, ME - JULY 20: Dylan Rudolph of Northeast Turf, based in Saco, works on the installation of a new turf field at Massabesic High School in Waterboro on Wednesday, July 20, 2016. (Photo by Derek Davis/Staff Photographer)

Massabesic High School in Waterboro got a new turf field this summer. “We did a healthy amount of research and worked through the details and our needs and the alternatives. I feel we came up with the best product for our facility,” Brendan Scully, Massabesic’s athletic director.

Workers from Northeast Turf, based in Saco, install a new turf field at Massabesic High School in Waterboro.