31.   The rules tighten standards for guarding against corrosion, require pipeline operators to file more detailed reports on spills and impose new testing procedures on smaller pipeline systems.

32.   The two major pipeline systems from those areas now run north.

33.   Tulsa, Oklahoma-based Williams operates the largest-volume U.S. pipeline system.

34.   Under the law, the federal government, through FERC, has jurisdiction to regulate the interstate sale and transportation of natural gas through the pipeline system.

35.   Tulsa, Oklahoma-based Williams operates the largest-volume U.S. pipeline system running from the Gulf Coast to New York City.

36.   Venezuela and Colombia will continue to have their own gas pipeline systems separate from the rest of the continent, Reinsch said.

37.   --When Houston Natural Gas was bought by InterNorth, creating Enron, it formed the first nationwide interstate natural gas pipeline system.

38.   Williams is one of the first to recognize the opportunity that the pipeline system gave it.

39.   Pemex said installation of an automatic pipeline control system underway in central Mexico would help to detect such incidents in the future.

40.   East Water is responsible for developing and managing the main pipeline system that supplies raw water to industries in the eastern region of Thailand.