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Interpretation Response #PI-73-027

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

Interpretation Response Details

Response Publish Date: 10-12-1973
Company Name: The Gas Service Company    Individual Name: A. C. Singer
Location state: MO    Country: US

View the Interpretation Document

Response text:

October 12, 1973

Mr. A. C. Singer
Vice President of Operations
The Gas Service Company
700 Scarritt Building
Kansas City, MO 64142

Dear Mr. Singer:

In your letter of September 24, 1973, you requested an interpretation of Paragraph 192.357(d), Title 49, Code of Federal Regulations, which reads as follows:

"Each regulator that might release gas in its operation must be vented to the outside atmosphere."

Your specific question was whether the above paragraph requires an outside vent on service regulators which are installed inside, and which are not equipped with relief facilities. Since they do not release gas in their operation, you have considered such regulators as constituting a closed system.

Your interpretation is correct. Since there is no release of gas in the operation of such a service regulator, that regulator need not be vented to the outside atmosphere.

If we may assist further, please let us know.


Joseph C. Caldwell
Office of Pipeline Safety

Regulation Sections

Section Subject
§ 192.357 Customer meters and regulators: Installation