# CALUMET MONTANA REFINING, LLC — Warning Letter

- **operation:** document
- **citation:** CPF 520065022W
- **title:** CALUMET MONTANA REFINING, LLC — Warning Letter
- **source type:** enforcement
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2006-05-03
- **effective on:** Not available
- **summary:** CLOSED warning letter citing 195.452(f)(8), 195.452(g)(4), 195.452(i)(3), 195.452(i)(4), 195.452(j)(2).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-enforcement-520065022w.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-enforcement-520065022w.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-enforcement-520065022w
- **source url:** https://primis.phmsa.dot.gov/enforcement-data/case/520065022W
**body:**

Warning Letter involving CALUMET MONTANA REFINING, LLC. PHMSA's enforcement data identifies the cited regulations as 195.452(f)(8),  195.452(g)(4),  195.452(i)(3),  195.452(i)(4),  195.452(j)(2). The case was opened on 2006-05-03 and is reported as closed as of 2006-05-03. 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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