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49 CFR 192.121 Interpretations

Transportation of natural and other gas by pipeline: minimum Federal safety standards:
Design of Plastic Pipe (View the Regulation)

Date PHMSA ID Company (or Individual)
Aug 12, 1992 PI-92-038 Memo: Internal
May 6, 1982 PI-82-006 Kansas State Corporation Commission
Sep 30, 1976 PI-76-065 American Society of Mechanical Engineers
Dec 2, 1975 PI-75-056 Luke Ernst and Associates, Inc
Dec 2, 1975 PI-75-0114 Luke Ernst and Associates, Inc.
Feb 8, 1972 PI-72-0102 Albert Switzer & Associates, Inc.
Dec 30, 1971 PI-71-0124 R&G Sloane Manufacturing Company, Inc.