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. 780/955-3030; www.westechvac.com BOOTH #5050

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