# U.S. SMELTER AND LEAD REFINERY - UNILATERAL ADMIN ORDER (CERCLA)
> **Administrative - Formal** · FY2019 · — · —
## Case
- **Activity ID:** `3601905802`
- **Case Number:** 05-2019-1008
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** —
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Atlantic Richfield Company (complaint) (settlement)
- E.I. du Pont Nemours and Company (complaint) (settlement)
- The Chemours Company (complaint) (settlement)
## Summary

UAO for remedial action for defined properties in operable unit 1

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*Source: [EPA ECHO](https://echo.epa.gov/) · AI Analytics · CC0 1.0*