# Montrose Chemical / Del Amo (#2)
> **Administrative - Formal** · FY2003 · — · Unilateral Administrative Order Without Adjudication
## Case
- **Activity ID:** `103695`
- **Case Number:** 09-2003-0114
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Unilateral Administrative Order Without Adjudication
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Shell Oil Company (complaint) (settlement)
- United States General Services Administration (complaint) (settlement)
## Summary

This is a Unilateral Administrative Order pursuant to CERCLA 106(a) issued to Shell Oil Company and the US General Services Administration.  The UAO requires Shell Oil to undertake initial remedial design activities at the groundwater operable unit for the Del Amo and Montrose Chemical Superfund Sites.  The estimated cost of this work is $2 million.

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