# BUTTE PRIORITY SOILS
> **Administrative - Formal** · FY1990 · — · —
## Case
- **Activity ID:** `48834`
- **Case Number:** 08-1990-0306
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** —
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- ARCO (complaint)
- DENNIS WASHINGTON (complaint)
- MONTANA RESOURCES, INC. (complaint)
- RARUS RAILWAY CO. (complaint)
## Summary

THE BUTTE PRIORITY SOILS OPERABLE UNIT(BPSOU) CONSISTS OF  FORMER AND/OR ACTIVE MINING, MILLING, SMELTING AND RELATED   FACILITIES. IT'S A NETWORK OF RAILROAD TRACKS AND SPURS CON- STRUCTED OR CONTAMINATED WITH MINING RELATED WASTES.  THESE  MINE WASTE DUMPS, MILL WASTES & ASSOCIATED CONTAMINATED      SOILS SURROUNDING THE AREA ARE CONTAMINATED WITH LEAD AND    ARSENIC.                                                       THE POTENTIAL HEALTH THREAT TO THE RESIDENTS CONSISTS PRI- MARILY OF INGESTION AND/OR INHALATION OF THESE CONTAMINANTS.

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