Investigation Report

MGPI Processing, Inc. Toxic Chemical Release

CSBU.S. Chemical Safety and Hazard Investigation Board

MGPI Processing, Inc. Toxic Chemical Release

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

Summary

This case study investigates an incorrect sulfuric acid delivery connection to a sodium hypochlorite tank at MGPI in Atchison, Kansas, producing a chlorine-containing cloud. It examines unloading equipment design, pipe identification, procedure compliance, training, remote shutdown, control-room ventilation and escape respirator access, alongside community emergency planning and subsequent preventive changes.

Topics

About This Record
Publisher
U.S. Chemical Safety and Hazard Investigation Board
Type
Investigation Report
Date
3 January 2018
Topic
Hazardous Substances, Human Factors, Loss of Containment, Process Safety, Respiratory Hazards
Activity
Fluid Transfer
Equipment
Hose, Process Pipework and Pipelines, Respirator, Storage Tanks, Valve
Control
Competence and Training, Emergency Response, Human-Centred Design, Operating and Work Procedures
Sector
Downstream and Process Industries
Setting
Onshore Facility
Link
Checked , working
Record
csb-mgpi-processing-inc-toxic-chemical-release · added 2 September 2026

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