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09-2026-3524Administrative - FormalClosedFY 2026· Region 09

EPA v. TST Inc CAFO

Final Order With Penalty

Case summary

EPA settled with TST, Inc. for alleged violations of Clean Air Act chemical safety requirements. The violations pertain to the facility?s chlorine process, which it utilized in its aluminum smelting process for use primarily in the automotive and aerospace industries. Under the terms of the consent agreement and final order with EPA, TST, Inc. paid $75,000 in civil penalties and made safety improvements to the facility.

Defendants (2)

  • James A. DavidsonNamed in settlement
  • TST, Inc.Named in complaintNamed in settlement

Facilities (1)

  • TST INC

    11601 ETIWANDA AVE, FONTANA, CA, 92337

    Registry ID: 110000479296

Statutes cited

  • CAA 112[R][7]Prevention of Accidental Release/Risk Management Plans (RMPs)

Enforcement conclusions (1)

  • TST Inc CAFOentered 2026-01-29

    Primary law: CAA

    Federal penalty: $75,000

Timeline (4 milestones)

  • 2026-01-29Final Order Issued
  • 2026-01-29Complaint Filed/Proposed Order
  • 2026-02-10Enforcement Action Closed
  • 2026-06-22Enforcement Action Data Entered

Case metadata

EPA activity ID
3604989000
Case number
09-2026-3524
Lead agency
EPA
EPA region
09
Voluntary self-disclosure
No
Primary statute
Prevention of Accidental Release/Risk Management Plans (RMPs)

Sourced verbatim from EPA ECHO Enforcement Case Report for case 09-2026-3524 . Bulk data: ICIS-FEC download summary.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.