Westech Vac Systems, a member of the Federal Signal Environmental Solutions Group, will feature a Predator DOT 407/412 liquid vacuum truck. It combines high vacuum and pressure off-loading designed to deliver reliable performance in the most demanding applications. Available for rental or purchase, with features available such as a dumping 3,000-gallon DOT-certified tank, full-opening rear door and a powerful 28-inch Hg rotary vane vacuum pump, the unit is designed to handle bulk liquids, sludge and semisolid waste in industrial applications. The Westech Predator expands Federal Signal Environmental Solutions Group’s industrial cleaning offerings by expanding into hazardous material transportation offerings, certified with TC/DOT 407/412 specifications. 780/955-3030; www.westechvac.com; Booth #5050.