Duke’s Root Control provides chemical root control applied by professional crews, with ongoing customer support to help manage budgets and navigate complex consent decrees to eliminate sanitary sewer overflows. Razorooter II diquat-based herbicide is registered by the EPA for controlling nuisance tree roots in sanitary sewer line collections systems, and received a classification of “evidence of noncarcinogenicity for humans” (U.S. EPA R.E.D. fact sheet for diquat bromide, July 1995). Applications prevent root-related stoppages for two to three years. 800/447-6687; www.dukes.com; Booth 4011.