A 37-year-old welder died when an explosion occurred in the tanker trailer where he was working. The victim, a welding contractor who worked for a trucking company, had been asked to repair the bulkhead of a petroleum tanker trailer. How it happened According to co-workers, the tanker trailer had been "blown out" (a process used to rid tankers of excess petroleum vapors) several days prior to the incident. It is not known whether the victim had performed any air sampling before beginning work on the day of the incident. An explosion occurred shortly after the victim began welding. The victim's employee, who was […]