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49 CFR 192.557 Interpretations

Transportation of natural and other gas by pipeline: minimum Federal safety standards:
Uprating Steel Pipelines to a Pressure that will Produce a Hoop Stress less than 30 Percent of SMYS (View the Regulation)

Date PHMSA ID Company (or Individual)
Aug 18, 2009 PI-09-0015 null
Jun 12, 1996 PI-96-009 Maryland Public Service Commission
Feb 18, 1994 PI-94-010 Memo: Internal
Jul 16, 1992 PI-92-032 Minnesota Department of Public Safety
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