# COMMONWEALTH EDISON CO.
> **Judicial** · FY1983 · — · Final Order No Penalty
## Case
- **Activity ID:** `25234`
- **Case Number:** 05-1983-0055
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Final Order No Penalty
- **Penalty assessed:** $0
- **Cost recovery:** $0
- **Compliance action $:** —
- **Multimedia (multi-env):** N
## Defendants
- EDISON CO., COMMONWEALTH (complaint) (settlement)
## Summary

NATURE OF THE CASE                                              THE DEFENDANT IS ONE OF THE NATION'S LARGEST ELECTRIC   UTILITIES, SERVING THE METROPOLITAN CHICAGO, ILLINOIS AREA   AND ADJACENT REGION.  THE DEFENDANT HAS A RECORD OF INTEN-   TIONALLY VIOLATING THE PCB PROVISIONS OF 6(E) OF TSCA.       TSCA'S PCB REGULATIONS (40 C.F.R. 761 ET SEQ.) PROVIDE THAT,  INTER ALIA THAT PCB'S MAY ONLY BE DISPOSED OF IN AN APPROV- ED INCINERATOR.  INITIAL REGULATIONS PROHIBITED THE UNCON-   TROLLED DISPOSAL OF PCB'S IN CONCENTRATIONS EXCEEDING 500    PPM.  THIS REGULATION WAS SUBSEQUENTLY AMENDED TO REDUCE     THE PERMISSIBLE CONCENTRATION LEVEL TO 50 PPM.                 MOREOVER, BASED UPON INSPECTIONS CONDUCTED AT A NUMBER OF  GEOGRAPHICALLY SCATTERED SITES THROUGHOUT NORTHERN ILLINOIS,  IT APPEARS THAT THE PCB CONTAMINATION PROBLEMS ARE PER-     VASIVE AND CONTINUING.                                         CAUSE OF ACTION                                                 THE IMPROPER DISPOSAL OF PCB'S IN CONCENTRATION LEVELS  IN EXCESS OF 50 PPM IS A VIOLATION OF 5(E) OF TSCA AND OF    THE REGULATIONS PROMULGATED PURSUANT TO IT; 40 C.F.R.        761.10(A) AND 40 C.F.R. 761.40(E)(1) (THE ORIGINAL REGULA-   TIONS CONTROLLED SUCH DISPOSALS IN CONCENTRATIONS IN EXCESS  OF 500 PPM; IN 1979 THE APPLICABLE REGULATIONS WERE AMENDED  TO APPLY TO DISPOSALS OF CONCENTRATIONS OF PCB'S IN EXCESS   OF 50 PPM.)  THE VIOLATION OF THESE REGULATIONS IS A VIOLA-  TION OF 15 OF TSCA.                   

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