# Memo: Internal — Pipeline Safety Interpretation

**Citation:** PI-92-043  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1992-08-24

PI-92-043 response to Memo: Internal concerning 195.1.

## Document text

<<<PAGE 1>>>

August 24, 1992
INFORMATION: Part 195 Jurisdiction
Cesar De Leon
Director, Regulatory Programs, DPS-10
Ed Ondak
Director, Western Region, DPS-28
Your memo of June 16, 1992, asks if Part 195 applies to two
pipelines. The first one, an 8-inch collection line that operates
at less than 20% SMYS, transports stove oil from a Unocal facility
in Portland to a nearby Santa Fe pipeline, which runs between
Portland and Eugene. The second, a 12-inch delivery line that
operates at less than 20% SMYS, transports gasoline from an Olympic
pipeline, which runs between Washington State and Portland, to a
Unocal facility in Portland.
Part 195 applies to pipelines used in the transportation of
hazardous liquids. However, ?195.1(b)(3) exempts transportation of
a hazardous liquid through pipelines that operate at a stress level
of 20 percent or less of SMYS. Because Part 195 applies to entire
pipeline systems, in applying this exemption, we consider an entire
pipeline system that operates at 20 percent or less of SMYS is
exempt.
Neither pipeline you asked about is a unique system. Each one is
merely a part of a larger system, serving either to introduce
products into the system or take products from it. Therefore, each
pipeline is subject to Part 195. Ownership of the pipelines is not
a relevant jurisdictional consideration.
#
DB
C:\WP51\INTERPRT\195\1\92-08-24
1

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1992/PI92043.pdf>
- Source ID: `phmsa`
- SHA-256: `d83fde7f8b98cb42506b122ff5f1fcd7a4493fe0eca90a04398cbbbd9e711d72`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-23T09:26:48.996Z
- Document slug: `phmsa-interpretation-pi-92-043`

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