# NORTHWEST PIPELINE LLC — Warning Letter

- **operation:** document
- **citation:** CPF 520051010W
- **title:** NORTHWEST PIPELINE LLC — Warning Letter
- **source type:** enforcement
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2005-11-02
- **effective on:** Not available
- **summary:** CLOSED warning letter citing 192.463(a), 192.467(d), 192.475(b)(3), 192.731(a).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-enforcement-520051010w.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-enforcement-520051010w.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-enforcement-520051010w
- **source url:** https://primis.phmsa.dot.gov/enforcement-data/case/520051010W
**body:**

Warning Letter involving NORTHWEST PIPELINE LLC. PHMSA's enforcement data identifies the cited regulations as 192,  192.463(a),  192.467(d),  192.475(b)(3),  192.731(a). The case was opened on 2005-11-02 and is reported as closed as of 2005-11-02. Open the official case record for notices, responses, orders, and the latest status.

PHMSA lists no public case documents for this record.
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- **body characters:** 387