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Overpressure

35 CSB investigations document overpressure incidents in the U.S. Chemical Safety Board database, spanning 1998–2024 across multiple industry sectors.

Each entry links to a full wiki page with chronological event sequence, root causes, contributing factors, failed safeguards, and official CSB recommendations.


Overpressure Incidents (35)

Incident Date Industry Key Chemicals
T2 Laboratories Inc. Reactive Chemical Explosion 12/19/2007 Chemical Manufacturing Hydrogen, Carbon Monoxide, Hydroxylamine
Optima Belle Explosion and Fire 12/08/2020 Chemical Manufacturing Chlorine, Hydrochloric Acid, Caustic Soda
NDK Crystal Inc. Explosion with Offsite Fatality 12/07/2009 Chemical Manufacturing Caustic Soda
Marcus Oil and Chemical Tank Explosion 12/03/2004 Chemical Manufacturing Nitrogen, Oxygen, Hydrocarbon Vapor
E. I. DuPont De Nemours Co. Fatal Hotwork Explosion 11/09/2010 Chemical Manufacturing Flammable Gas, Hydrocarbon Vapor
Hayes Lemmerz Dust Explosions and Fire 10/29/2003 Metals Aluminum Dust, Natural Gas, Flammable Liquid
First Chemical Corp. Reactive Chemical Explosion 10/13/2002 Chemical Manufacturing Flammable Liquid, Toxic Gas, Ammonia
Bayer CropScience Pesticide Waste Tank Explosion 08/28/2008 Chemical Manufacturing Flammable Liquid, Toxic Gas
Cuisine Solutions Ammonia Release 07/31/2024 Food Processing Ammonia, Toxic Gas
Horsehead Holding Company Fatal Explosion and Fire 07/22/2010 Metals Natural Gas, Flammable Gas
Barton Solvents Explosions and Fire 07/17/2007 Chemical Manufacturing Naphtha, Flammable Liquid, Hydrocarbon Vapor
Dow Louisiana Operations Explosions 07/14/2023 Chemical Manufacturing Ethylene Oxide, Nitrogen, Oxygen
Williams Olefins Plant Explosion and Fire 06/13/2013 Chemical Manufacturing Butane, Ethylene, Flammable Gas
Goodyear Heat Exchanger Rupture 06/11/2008 Chemical Manufacturing Ammonia
Didion Milling Company Explosion and Fire 05/31/2017 Food Processing Combustible Dust, Grain Dust, Natural Gas
TS USA Molten Salt Eruption 05/30/2024 Metals Caustic Soda, Nitrogen
Midland Resource Recovery Explosion 05/24/2017 Chemical Manufacturing Natural Gas, Chlorine, Flammable Liquid
Kuraray Pasadena Release and Fire 05/19/2018 Chemical Manufacturing Ethylene, Methanol, Vinyl Acetate
Kaltech Industries Waste Mixing Explosion 04/25/2002 Metals Nitric Acid, Hydrochloric Acid, Flammable Liquid
Macondo Blowout and Explosion 04/20/2010 Oil And Gas Production Crude Oil, Natural Gas, Flammable Gas
MFG Chemical Inc. Toxic Gas Release 04/12/2004 Chemical Manufacturing Nitrogen, Caustic Soda, Carbon Monoxide
D.D. Williamson & Co. Catastrophic Vessel Failure 04/11/2003 Food Processing Ammonia, Caustic Soda
Yenkin-Majestic Resin Plant Vapor Cloud Explosion and Fire 04/08/2021 Chemical Manufacturing Naphtha, Flammable Liquid, Flammable Gas
Giant Industries Refinery Explosions and Fire 04/08/2004 Petroleum Refining Flammable Liquid, Hydrogen Fluoride, Hydrocarbon Vapor
Morton International Inc. Runaway Chemical Reaction 04/08/1998 Chemical Manufacturing Flammable Liquid
Loy Lange Box Company Pressure Vessel Explosion 04/03/2017 Paper And Pulp Oxygen, Natural Gas
KMCO LLC Fatal Fire and Explosion 04/02/2019 Chemical Manufacturing Flammable Gas, Hydrocarbon Vapor
BP America (Texas City) Refinery Explosion 03/23/2005 Petroleum Refining Flammable Liquid, Hydrocarbon Vapor, Raffinate
Carbide Industries Fire and Explosion 03/21/2011 Chemical Manufacturing Hydrogen, Carbon Monoxide, Flammable Gas
BP Amoco Thermal Decomposition Incident 03/13/2001 Chemical Manufacturing Flammable Liquid, Carbon Monoxide, Nitrogen
Sonat Exploration Co. Catastrophic Vessel Overpressurization 03/04/1998 Oil And Gas Production Natural Gas, Crude Oil, Flammable Gas
Hoeganaes Corporation Fatal Flash Fires 01/31/2011 Metals Iron Dust, Hydrogen, Natural Gas
Synthron Chemical Explosion 01/31/2006 Chemical Manufacturing Flammable Liquid, Hydrocarbon Vapor
Wendland 1H Well Fatal Explosion 01/29/2020 Oil And Gas Production Crude Oil, Natural Gas, Flammable Gas
Pryor Trust Fatal Gas Well Blowout and Fire 01/22/2018 Oil And Gas Production Diesel, Flammable Gas, Hydrocarbon Vapor

Explosion · Fire · Chemical Release · Structural Failure · Runaway Reaction · Flash Fire


Data sourced from CSB.gov public investigation reports. This site is an independent project not affiliated with the U.S. CSB.