When Sean Farrell was laid off from his job as a vacuum truck operator in 1998, he decided to never again face unemployment. So, he launched what has turned into a successful liquid waste service business located at the far eastern edge of Canada.“I was sitting at home with nothing to do. I figured that doing my own thing had to be better than that,” he says.Farrell, now 35, learned how to operate a vacuum truck in the oilfields of Alberta in Western Canada. Vacuum trucks are used to remove the clay and water mixture, known as drilling mud, that
