Investigation Report

Tosco Avon Refinery Petroleum Naphtha Fire — Final Investigation Report

CSBU.S. Chemical Safety and Hazard Investigation Board

Tosco Avon Refinery Petroleum Naphtha Fire — Final Investigation Report

Read at CSBOpens the document on csb.gov

Summary

Investigates the fatal naphtha fire during pipe replacement at Tosco’s Avon refinery while the crude unit remained operating. It examines corrosion, failed isolation and draining, work authorisation and management oversight. Timeline and logic-tree analysis underpin recommendations on hazard evaluation, shutdown decisions, management of change and corrosion control.

Topics

About This Record
Publisher
U.S. Chemical Safety and Hazard Investigation Board
Type
Investigation Report
Date
March 2001 (added from another catalogue record)
Topic
Corrosion, Fire, Hydrocarbon Release, Leadership and Safety Culture, Process Safety
Activity
Fluid Transfer, Inspection and Maintenance, Working at Height
Equipment
Process Pipework and Pipelines, Valve
Control
Energy and Process Isolation, Management of Change, Permit to Work, Risk Assessment
Sector
Downstream and Process Industries
Link
Checked , working
Record
csb-ab46f83598 · added 2 October 2026

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