Thirty-three states introduced legislation related to chemical safety on various issues as federal government lags behind
Thousands of playgrounds and sports fields around the country have been covered with crumb rubber from recycled tires, and some experts and lawmakers are concerned about possible health effects on children.
The material can contain heavy metals like lead and manganese, volatile organic compounds like toluene, and polycyclic aromatic hydrocarbons. The chemicals are associated with cancer and other illnesses at certain levels of exposure.
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