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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation


Section §192.619: Maximum allowable operating pressure: Steel or plastic pipelines

Below are the available interpretations and guidance for the given section. To return to the list of parts, use the Parts link above. If you do not see any guidance or interpretation information below, that means there is none available for the given part/section. Return to the search page to browse additional regulations sections.

PHMSA has published several Frequently Asked Questions (FAQ) documents on regulatory topics. Please review our FAQ documents below:

Additionally PHMSA has Hazardous Materials FAQs based on letters of interpretation on the following topics:

This section of the website provides the ability to find regulations information including regulations parts, content of sections, and interpretations for regulations sections. Below is a list of parts, identified by the part number and subject. To browse sections by part, click on the subject link below. You will be taken to the eCFR website to view sections for a part.

A written regulatory interpretation, response to a question, or an opinion concerning a pipeline safety issue may be obtained by submitting a written request to the Office of Pipeline Safety (PHP–30), PHMSA, U.S. Department of Transportation, 1200 New Jersey Avenue SE., Washington, DC 20590–0001 or at the email address: In addition to email address, the requestor must include his or her return address and should also include a daytime telephone number. Requests should be submitted at least 120 days before the time the requestor needs a response.

Note: electronic submission is provided as alternative to the 49 CFR Part 190.11(b) mail-in requirement.

The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to

View section 192.619 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
PI-18-0007 Public Service Commission of Wisconsin Mr. Thomas M. Stemrich View
PI-71-084 Citizens Gas & Coke Utility C. E. Kleis View
PI-75-0107 The Public Utilities Commission Mr. Ray A. Richardson View
PI-75-038 Tennessee Public Service Commission John Searcy View
PI-75-054 ADB 75-11 View
PI-74-015 Tennessee Public Service Commission John Searcy View
PI-75-032 Southern California Gas Company R. I. Snyder View
PI-01-001 Mardi Gras Transportation System Mr. Les Owen View
PI-79-002 Arizona Corporation Commission H.R. Garabrant View
PI-85-002 Missouri Public Service Commission Dale W. Johansen View
PI-70-013 City of Gulf Breeze Oliver J. Semmes, Jr. View
PI-86-005 Memo: Internal View
PI-78-007 Brown & Root, Inc. Mr. Billy M. Hazlegrove View
PI-73-014 Alabama Public Service Commission Larry E. Waldrop View
PI-92-034 Virginia State Corporation Commission Massoud Tahamtani View
PI-88-003 Missouri Public Service Commission Mr. Dale W. Johansen View
PI-78-001 Mountain Fuel Supply Company Mr. F. F. Bassani View
PI-76-017 Herbert Schroeder, Jr. View
PI-01-0108 Mardi Gras Transportation System Mr. Les Owen View
PI-09-0021 New Mexico Public Regulation Commission Mr. Joe M. Johnson View
PI-93-0100 Northern Illinois Gas Mr. Carl P. Hendrickson View
PI-94-033 Public Utilities Commission of Ohio Edward M. Steele View
PI-93-002 Northern Illinois Gas Carl P. Hendrickson View
PI-75-0106 Illinois Commerce Commission Mr. Harold E. Shutt View
PI-71-057 Memo: Internal View
PI-14-0005 California Public Utilities Commission Mr. Joseph P. Como View
PI-79-0101 View