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49 CFR 192.611 Interpretations

Transportation of natural and other gas by pipeline: minimum Federal safety standards:
Change in Class Location - Confirmation or Revision of Maximum Allowable Operating Pressure (View the Regulation)

Date PHMSA ID Company (or Individual)
Jan 15, 1993 PI-93-0100 Northern Illinois Gas
Sep 15, 1989 PI-89-018 Exxon Gas System, Inc.
Oct 7, 1982 PI-82-019 Memo: Internal
Oct 12, 1979 PI-79-035 David Dolgoy
Nov 14, 1977 PI-77-026 American Public Gas Association
Oct 30, 1975 PI-75-0111 Washington Gas Light Company
Jan 29, 1975 PI-75-006 Tennessee Public Service Commission
Jul 13, 1971 PI-71-064 Pioneer Natural Gas Company
Feb 22, 1971 PI-71-024 Williams Brothers Engineering Co.