# KAISER ALUMINUM & CHEM CORP - TRENTWOOD WORKS
> **Judicial** · FY1990 · — · Final Order With Penalty
## Case
- **Activity ID:** `54201`
- **Case Number:** 10-1990-0122
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Final Order With Penalty
- **Penalty assessed:** $500K
- **Cost recovery:** —
- **Compliance action $:** $20.00M
- **Multimedia (multi-env):** N
## Defendants
- KAISER ALUMINUM & CHEM CORP (settlement)
## Summary

THIS IS A CONTINUATION OF THE EARLIER CASE BROUGHT AGAINST KAISER FOR VIOLATION OF THE 20% OPACITY PROVISION CONTAINED  IN THE WASHINGTON SIP AT ITS TRENTWOOD WORKS FACILITY.  THE  PREVIOUS COMPLAINT FILED ON 2/8/89 WAS VOLUNTARILY DISMISSED ON 7/9/90 AFTER A STATE COURT RULED THAT THE OBSERVER        CERTIFICATION METHOD USED BY THE STATE HAD NOT BEEN ADOPTED  IN ACCORDANCE WITH STATE RULEMAKING PROCEDURES.  AT THE TIME OF DISMISSAL THE FEDERAL COURT WAS INFORMED THAT NEW         VIOLATIONS HAD BEEN DOCUMENTED USING OBSERVERS WHO WERE      PROPERLY CERTIFIED AND THAT A NEW CASE WOULD BE FILED BASED  UPON THE NEW OBSERVATIONS.

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