| http://www.w3.org/ns/prov#value | - These include small amounts of polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs) and heavy metals such as zinc, iron, manganese and lead.Q: Can people be exposed to the chemicals found in crumb rubber?A: Although the potential for significant exposure to the chemicals in crumb rubber is very low, there are three possible ways for people to have contact with these chemicals
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