US EPA

National Oil and Hazardous Substances Pollution Contingency Plan
This links to a PDF version of the NCP.

National Environmental Publications Information System (NEPIS)
EPA Publications and Documents Library with over 10,000 EPA Documents.

Oil Pollution Act (216kb)
This links to a PDF version of the Oil Pollution Act.

National Archives
This links to the National Archives site, where the Code of Federal Regulations (CFR) is available.

Cornell University
On-line CERCLA is available on this site.