Investigation Report

Bayer CropScience Pesticide Waste Tank Explosion

CSBU.S. Chemical Safety and Hazard Investigation Board

Bayer CropScience Pesticide Waste Tank Explosion

Read at CSBOpens the publisher’s page on csb.gov

Summary

Investigation of a fatal residue-treater explosion during restart of Bayer’s methomyl unit at Institute, West Virginia. It examines runaway decomposition, bypassed interlocks, deficient startup preparation, operator training and emergency coordination. Detailed modelling assesses the adjacent methyl isocyanate tank’s blast shield, distinguishing actual damage from hypothetical release scenarios.

Topics

About This Record
Publisher
U.S. Chemical Safety and Hazard Investigation Board
Type
Investigation Report
Date
20 January 2011
Topic
Explosion, Functional Safety, Hazardous Substances, Human Factors, Process Safety
Equipment
Gas Detector, Operator Displays and Control Interfaces, Pressure Vessel
Control
Competence and Training, Emergency Response, Operating and Work Procedures, Risk Assessment
Sector
Downstream and Process Industries
Setting
Onshore Facility
Link
Checked , working
Record
csb-bayer-cropscience-pesticide-waste-tank-explosion · added 2 September 2026

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