Four in five quarries based in Illinois that backfill with concrete and other demolition wastes show levels of toxins that are higher than acceptable, according to state sampling results obtained by The Associated Press - in a report by QCOnline.com
Last Spring, Illinois Environmental Protection Agency testing produced levels exceeding allowable limits of arsenic, lead, mercury, atrazine and other heavy metals and pesticides as well as volatile organic compounds that can cause health hazards, according to violation notices disclosed to the AP under the Illinois Freedom of Information Act.
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