# ATOCHEM/PENWALT CORPORATION
> **Administrative - Formal** · FY1993 · — · Combined With Another Case(s)
## Case
- **Activity ID:** `28382`
- **Case Number:** 05-1993-0816
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Combined With Another Case(s)
- **Penalty assessed:** $0
- **Cost recovery:** $0
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- ATOCHEM NORTHAMERICA
- PENWALT CORPORATION (complaint)
## Summary

ON SEPTEMBER 21, 1989, THE AGENCY SIGNED AN ADMINISTRATIVE   ORDER ON CONSENT WITH THE PENNWALT CORPORATION FOR A STUDY   REGARDING A CORRECTIVE ACTION AT PENNWALT'S WYANDOTTE,       MICHIGAN SITE.  THE SITE IS DIVIDED INTO THREE DISTINCT      AREAS:  THE EAST PLANT; THE WEST PLANT; AND THE WEST BRINE   FIELD AREA.  PURSUANT TO THE AOC, PENNWALT AGREED TO CONDUCT A RCRA FACILITY INVESTIGATION, AND IF NECESSARY (UPON REVIEW OF U.S. EPA), A CORRECTIVE MEASURES STUDY TO IDENTIFY AND    EVALUATE ALTERNATIVES FOR CORRECTIVE MEASURES.  IN JANUARY   OF 1991, THE RFI WAS STILL CONTINUING AT THE SITE.  A NEW    RCRA TECHNICAL PERSON, MIKE VALENTINO WAS ASSIGNED TO THIS   SITE IN MID-1991.  IN JUNE 1993, THE AGENCY RECENTLY         APPROVED PENNWALT'S EAST PLANT RFI WORK PLAN AND QAPP.  IT   IS ANTICIPATED THAT INVESTIGATORY FIELD WORK WILL BEGIN ON   THE EAST PLANT IN JULY 1993.  THE AGENCY IS CURRENTLY        REVIEWING RFI WORK PLANS FOR THE WEST PLANT AND WEST BRINE   FIELD AREA.

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