Following the February 14th derailment in Ontario, Canada's TSB is questioning whether or not the CPC-1232 tank cars are adequate. During this derailment 29 cars leaked a substantial volume of diluted bitumen. The Transportation Safety Board released a statement following the preliminary assessment of the derailment that stated "preliminary assessment of the CPC-1232 compliant tank cars involved in this occurrence demonstrates the inadequacy of this standard, given the tank cars' similar performance to the legacy Class 111 tank cars involved in the Lac-Megantic accident." While the cause is still under investigation, the TSB is leaning towards a possible broken rail and a suspect wheel as the cause.
To read the complete article please visit the Hazardous Cargo Bulletin site