# Regulus search export

- Query: `CPF 4-2021-016-NOPV`
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- Exported: 2026-08-25T02:37:57.944Z

## 1. EQUISTAR CHEMICALS, L.P. — Notice of Probable Violation

**Citation:** CPF 42021016NOPV  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 2021-03-19

CLOSED notice of probable violation citing 195.452(b)(5), 195.452(f)(1), 195.452(f)(6), 195.452(k).

### Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/42021016NOPV>
- Source ID: `phmsa-enforcement`
- SHA-256: `e87634a9600985646150abbd9ff415968b0dfe576585b3331487a8577b1127b4`
- Retrieved: 2026-08-20T04:44:44.458Z
- Document slug: `phmsa-enforcement-42021016nopv`
- Related records: 8