# Woolfolk State Office Building — Pipeline Safety Interpretation

- **operation:** document
- **citation:** PI-72-029
- **title:** Woolfolk State Office Building — Pipeline Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 1972-07-14
- **effective on:** Not available
- **summary:** PI-72-029 response to Woolfolk State Office Building concerning 192.11.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-029.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-029.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-029
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1972/PI72029.pdf
**body:**

<<<PAGE 1>>>

Mr. C. D. Pritchard
Director, Liquefied Gas Division
Motor Vehicle Comptroller
Woolfolk State Office Building
Post Office Box 1140
Jackson, Mississippi 39205
Dear Mr. Pritchard:
This is in response to your letter dated July 3, 1972, regarding liquefied petroleum gas systems.
Your specific question was:
"Please advise whether or not a liquefied petroleum gas system that serves less than 100
customers from a common source and the pipeline does not cross a public place such as a
highway fall under the regulations of the Department of Transportation minimum safety standards
in the transportation of natural and other gas by pipeline."
A liquefied petroleum gas system that serves ten or more customers is subject to the Federal gas
pipeline safety standards regardless of whether or not it crosses a public place such as a highway.
Liquefied petroleum gas systems serving less than 100 customers are exempt from the annual
report requirement of 49 CFR §191.11 but not from the safety standards.
We trust that this has answered your specific question. If we can be of further assistance, please
let us know.
Sincerely,
/signed/
Joseph C. Caldwell
Director
Office of Pipeline Safety
DB
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