# ASARCO INCORPORATED, NEWMONT MINING CORP., RES-ASARCO JOINT
> **Administrative - Formal** · FY1989 · — · —
## Case
- **Activity ID:** `48366`
- **Case Number:** 08-1989-0075
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** —
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- ASARCO INCORPORATED
- NEWMONT MINING CORP.
- RES-ASARCO JOINT VENTURE
- RESURRECTION MINING COMPANY
## Summary

THIS IS AN ADMINISTRATIVE ORDER AGAINST THE ASARCO      INCORPORATED, NEWMONT MINING CORPORATION, RES-ASARCO JOINT   VENTURE, AND RESURRECTION MINING COMPANY UNDER SECTION 106   OF CERCLA TO PERFORM THE REMEDIAL DESIGN/REMEDIAL ACTION     AT THE YAK TUNNEL OPERABLE UNIT.                                  THE RESPONDENTS ARE EACH OWNERS OR OPERATORS OR PAST    OWNERS OR OPERATORS OF THE YAK TUNNEL AND/OR RELATED         FACILITIES.  THE YAK TUNNEL, WHICH IS LOCATED IN THE         CALIFORNIA GULCH NATIONAL PRIORITY SITE, LEADVILLE, CO, A    TUNNEL CONNECTING NUMEROUS UNDERGROUND MINE WORKINGS, DIS-   CHARGES WATER CONTAINING VARIOUS METALS, INCLUDING CADMIUM,  COPPER, LEAD, AND ZINC.  ON MARCH 29, 1988, EPA SIGNED A ROD FOR THE YAK TUNNEL.  THE ROD WAS MODIFIED BY EPA ON MARCH    23, 1989.

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