Sevenson Environmental Services Inc., an environmental remediation firm based in Niagara Falls, New York, agreed to pay more than 2.72 million to resolve allegations that it violated the False Claims Act and the Anti-Kickback Act by accepting kickbacks, rigging bids and passing inflated charges to the U.S. Environmental Protection Agency in connection with work performed at the Federal Creosote Superfund Site in Manville, New Jersey.