FILE - In this Nov. 16, 2017, file photo, several slabs of demolition concrete waste that will be recycled and made into a "clean" fine fill material, background left, and "clean" course fill material, background right, sit at the Chicago Street Clean Construction Demolition Debris facility in Joliet, Ill. Will County officials and environmentalists are scheduled to argue before the Illinois Supreme Court that state regulators erred when they failed to require groundwater monitoring around rock quarries that are back-filled with so-called clean construction demolition debris. The construction industry argues the waste is checked for toxins and poses no threat to drinking-water supplies. (AP Photo/Charles Rex Arbogast, File)
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