A California bill that would have placed a temporary statewide ban on the installation of athletic turf and playground surfacing containing recycled scrap tires died in committee on June 9, reported Tire Business magazine.

Senate Bill 47, sponsored by California Sen. Jerry Hill (D-13th District) would have prohibited the installation of rubber turf or grants funding its installation while the California Office of Environmental Health Hazard Assessment conducted a study to determine the possible adverse health effects of the material. SB 47 was held in the California Senate Committee on Appropriations after a recent hearing. This means under the rules of the California Senate, the bill can no longer be considered, according to FieldTurf, a Montreal-based artificial turf manufacturer.

Sales of artificial turf in California has exploded in recent years, spurred in large part by the state’s four-year drought.

Senator Hill floated Senate Bill 47, entitled The Children’s Safe Playground and Turf Field Act of 2015, because of concerns over the use of crumb rubber, commonly used in many brands of synthetic turf. There are concerns – of which any evidence has been debated – that the crumb rubber may be unhealthy, especially for sports fields that use artificial turf.

Read more: follow the crumb rubber debate here.