# Memo: Internal — Pipeline Safety Interpretation

- **operation:** document
- **citation:** PI-77-027
- **title:** Memo: Internal — Pipeline Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 1977-11-23
- **effective on:** Not available
- **summary:** PI-77-027 response to Memo: Internal concerning 193.2001.
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- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1977/PI77027.pdf
**body:**

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November 23, 1977
LNG Facility in California
Acting Director, Office of
Pipeline Safety Operations, DMT-20
Chief, Western Regional Office
Regarding your October 25 memo concerning an LNG facility in
California, the Federal/State relationship regarding LNG
facilities subject to the proposed Part 193 will be the same as
for other gas pipeline facilities subject to Part 192. That is,
intrastate facilities may be regulated by the California
Commission under its 5(a) certification as long as the State
regulations are compatible with the Federal regulations, but the
Commission may not regulate the safety of interstate facilities.
Under the Natural Gas Pipeline Safety Act and regulations
thereunder, the Commission is preempted from establishing safety
standards for the construction and operation of LNG facilities
which are subject to the jurisdiction of the Federal Power
Commission (now the Federal Energy Regulatory Commission) under
the Natural Gas Act. Thus, Section 5637 of the Liquefied Natural
Gas Terminal Act of 1977, which empowers the Commission to adopt
regulations for the safety and construction of an LNG terminal,
is invalid when applied to an interstate LNG facility.
Cesar DeLeon
dal\193\2001\Gen\77-11-23
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