C-N Rail says it has an excellent safety record. 

It’s defending its record after a third derailment in a month that involved hazerdous materials. 

The most recent one took place Saturday when 13 tanker cars derailed west of Edmonton.   They were carrying oil and liquefied petrolium gas .

There was an explosion and massive fire, but fortunately no one was injured. 

About a hundred people were evacuated from the nearby village of Gainford while officials let the fire burn itself out.

C-N’s Mark Hallman says more than 99 percent of the railway’s hazerdous goods shipments get to their destination without any problems.