CSB Releases Final Report

Into 2018 Husky Superior Refinery Explosion and Asphalt Fire in Wisconsin

Recent News

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Details for January 26 Public Business Meeting

Tuesday, January 17, 2023 January Public Business Meeting

CSB Celebrates 25th Anniversary

Leadership Highlights Progress

CSB Releases Final TPC Report

Final Report Release into 2019 Explosions and Fires at the TPC Group Chemical Plant in Port Neches, Texas

Animation of 2018 Ethylene Release and Fire at Kuraray America in Pasadena, Texas

12/21/2022 1:00:00 PM

A CSB animation about the 2018 ethylene release and fire that injured 23 workers at the Kuraray America, Inc. EVAL plant in Pasadena, Texas.

Wake Up Call: Refinery Disaster in Philadelphia

10/27/2022 6:39:00 PM

A CSB safety video about the June 21, 2019, fire, explosions, and toxic hydrofluoric acid (HF) release at the Philadelphia Energy Solutions refinery in Philadelphia, Pennsylvania.

Silent Killer: Hydrogen Sulfide Release in Odessa, Texas

5/25/2022 3:17:00 PM

About the CSB

The U.S. Chemical Safety Board (CSB) is an independent, nonregulatory federal agency that investigates the root causes of major chemical incidents.

Our mission is to drive chemical safety change through independent investigations to protect people and the environment. The agency was created under the Clean Air Act Amendments of 1990.

IN THE CSB’S 20-YEAR HISTORY, the agency has deployed to over 130 chemical incidents and issued more than 800 recommendations that have led to numerous safety improvements across a wide variety of industries. 

Current Investigations

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BP Husky Chemical Release and Fire 

At about 6:46 p.m. on September 20, 2022, an accidental release of flammable chemical chemicals ignited, creating a fire that fatally injured two workers and resulted in substantial property damages at the BP-Husky refinery in Oregon, Ohio


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CSB issues safety recommendations to prevent similar incidents or hazards in the future.

View Recent Recommendation Status Updates....

completed Investigations

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Husky Energy Superior Refinery Explosion and Fire  

View information on the CSB's recently released investigation into a massive 2018 refinery explosion and fire  







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