It was something old and many things new at the 30th annual Pumper & Cleaner Environ-mental Expo International, which wrapped up Feb. 27 in Louisville, Ky. First the old: Robert “Pepi’’ Murrell, owner of Pepi Sewage Disposal in Port Severn, Ontario, Canada, displayed a T-shirt he purchased at the first Expo in Nashville, Tenn., in 1981, then called the Liquid Waste Haulers Equipment & Trade Show. Murrell showed off the shirt in the Vacutrux booth, then walked the show floor wearing a new 30-year anniversary shirt bought at the 2010 Expo. Like Murrell, I met other attendees and exhibitors who
