RELATED: Water tested for cancer-caused chemical near Sterigenics plant in Willowbrook "We need to have them shut down. They might have a permit to operate, but they don't have a permit to create a public health crisis,' said Burr Ridge Acting Mayor Zach Mottl. Download the ABC7 Chicago News App In a statement released earlier in February, Sterigenics said it "...has a proven record of operating safely and in compliance with applicable regulations ... Any action to shut down a business operating well within regulatory limits, based on incomplete data taken out of context, sets an extremely bad precedent." RELATED: Illinois EPA orders Sterigenics to cease operations in Willowbrook until safety review complete