The Hydrovac Code (TC407) from Westech Vac Systems is specified with a TC407 rating (hazardous goods transport capable). The truck allows quick access to buried water mains and natural gas and petroleum pipelines, cutting through hardened scale and frozen ground with reduced risk of damage. It can handle unpredictable off-road applications and unknown hazardous materials in every type of weather from freezing in winter to the heat and humidity of summer, from minus 40 to 95 degrees F. It is designed for quick and easy setup to maximize efficiency and productivity. Debris body capacities range from 11.8 to 13 cubic yards. It has heated rear-door valves, a heated hose reel cabinet and glycol and air purge winterization systems. 780/955-3030; www.westechvac.com.