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49 CFR 192.187 Interpretations

Transportation of natural and other gas by pipeline: minimum Federal safety standards:
Vaults: Sealing, Venting, and Ventilation (View the Regulation)

Date PHMSA ID Company (or Individual)
Jul 2, 1992 PI-92-0105 U.S. Department of Transportation, Pipeline Safety Regulatory Programs, DPS-1
Nov 17, 1975 PI-75-0113 Virginia State Corporation Commission
Jul 11, 1973 PI-73-019 New Hampshire Public Utilities Commission