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Shelter In Place

3 CSB investigations document shelter in place 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.


Shelter In Place Incidents (3)

Incident Date Industry Key Chemicals
Optima Belle Explosion and Fire 12/08/2020 Chemical Manufacturing Chlorine, Hydrochloric Acid, Caustic Soda
First Chemical Corp. Reactive Chemical Explosion 10/13/2002 Chemical Manufacturing Flammable Liquid, Toxic Gas, Ammonia
Husky Energy Superior Refinery Explosion and Fire 04/26/2018 Petroleum Refining Hydrocarbon Vapor, Oxygen, Flammable Liquid

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


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