Razorooter II root-control herbicide from Duke’s Root Control is designed to extend pipe life and reduce SSO occurrences. Its active ingredient, diquat dibromide, a product of Sewer Sciences Inc., is registered with the U.S. Environmental Protection Agency. The company can customize a root-control program that integrates capacity, management operations and maintenance into each municipality’s O&M plan. If a root-related stoppage occurs within two to three years of treatment, lines will be re-treated. 800/447-6687; www.dukes.com.