Robert “Bob” Carlson, longtime writer of the Truck Corner column in Portable Restroom Operator (PRO) magazine and an occasional contributor to Pumper magazine, passed away Oct. 17. He was 65.Carlson dispensed advice on vacuum truck maintenance in the column, which began before COLE Publishing bought the magazine dedicated to the portable sanitation industry and continued until 2014. Sometimes injecting humor, he answered reader questions and conducted an annual Truck Corner quiz.Carlson had been involved in the pumping industry since starting to work at his family’s Arizona-based vacuum truck building company, Glendale Welding, in 1979. He was manager-owner of the business from 1986 to 2009.
