Steris Corp. Mentor, Ohio, (steris.com) says the U.S. Department of Homeland Security has designated and certified the firm's proprietary VHP sterilization system as a qualified antiterrorism technology, the highest level of recognition possible under the Support Anti-terrorism by Fostering Effective Technologies Act of 2002 (Safety Act). The Act encourages development of antiterrorism technologies by providing liability protection to sellers and purchasers of qualified equipment. Steris' VaproSure and VHP Sterilizers work on exposed surfaces within a sealed enclosure using a dry sterilant vapor that is sporicidal, bacteriacidal, virucidal, and fungicidal.