Canadian Pacific Railway

State regulators visited the derailment site late last year and say remediation efforts were completed in December. The enforcement case against Canadian Pacific was closed.

Both spills were caused by freight train derailments.

Seven cars from the Canadian Pacific freight train that derailed in northern Somerset County over the weekend are still on site, state environmental officials said Tuesday.

The Central Maine and Quebec Railway is being purchased by Canadian Pacific. Central Maine and Quebec - the former Montreal, Maine and Atlantic Railway -…