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49 CFR 192.621 Interpretations

Transportation of natural and other gas by pipeline: minimum Federal safety standards:
Maximum Allowable Operating Pressure - High Pressure Distribution Systems (View the Regulation)

Date PHMSA ID Company (or Individual)
Feb 2, 1977 PI-77-006 Piedmont Natural Gas Company, Inc.
Nov 24, 1976 PI-76-072 North Carolina Utilities Commission
Feb 13, 1973 PI-73-008 Iowa Public Service Company
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