U.S. EPA and DOJ announced settlement with Guardian Industries Corp that will resolve alleged violations of the Clean Air Act at Guardian’s flat glass manufacturing facilities throughout the U.S. Under proposed settlement, Guardian will invest more than $70 million to control emissions of NOX, SO2, PM, and H2SO4 from all manufacturing facilities. Guardian will also fund environmental mitigation project valued at $150,000 to reduce particulate matter pollution in the San Joaquin Valley, CA.