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Interpretation Response #PI-93-035 ([West Virginia Public Service Commission] [Darrell A. McKown])

Below is the interpretation response detail and a list of regulations sections applicable to this response.

Interpretation Response Details

Response Publish Date:

Company Name: West Virginia Public Service Commission

Individual Name: Darrell A. McKown

Location State: WV Country: US

View the Interpretation Document

Response text:

July 15, 1993

Mr. Darrell A. McKown

Manager, Gas Pipeline Safety Transportation Division

West Virginia Public Service Commission

P. O. Box 812

201 Brooks Street

Charleston, WV 25323

Dear Mr. McKown:

Thank you for your letter of May 10, 1993, requesting an interpretation of the gas pipeline standards in 49 CFR part 192. You asked whether the logic of §192.457(b) applies to corrosion under §§192.479(b), 192.481, and 192.483.

Section 192.457(b) applies to certain buried or submerged pipelines installed before August 1, 1971. The standard requires operators to cathodically protect areas of continuing corrosion that unless controlled could become detrimental to public safety. Under this standard, protecting against corrosion is discretionary, depending on the circumstances relevant to public safety.

In contrast, §§192.479(b), 192.481, and 192.483 do not allow operators to exercise discretion in applying protection against corrosion. Operators must apply the prescribed protective measures to all corrosion covered by these standards.

Sincerely,

Cesar De Leon

Director, Regulatory Programs

Office of Pipeline Safety

Regulation Sections

Section Subject
192.457 External corrosion control: Buried or submerged pipelines installed before August 1, 1971