CSB Releases Final Report

Into 2019 PES Fire and Explosion in Philadelphia

Recent News

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CSB Safety Video Reaches One Million Views

The CSB’s Safety Video on the 2019 Philadelphia Energy Solutions Refinery Fire and Explosions Reaches One Million Views in Just a Week

CSB Releases New Safety Video

“Wake Up Call: Refinery Disaster in Philadelphia”​

First FY 2023 Public Business Meeting TODAY October 27 at 2 pm


U.S. Chemical Safety Board Urges Schools to Follow Safety Guidance

CSB Reiterates Safety Guidance for Flammable Chemicals After Fire at Dinwiddie High School in Virginia

CSB Releases Final Report into 2019 PES Fire and Explosion in Philadelphia

Agency Calls on Industry to Require Improved Safeguards

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.

Simultaneous Tragedy: Fire at Evergreen Packaging

4/6/2022 8:00:00 PM

This CSB safety video highlights the Agency's investigation into the September 21, 2020, fire at the Evergreen Packaging Paper Mill in Canton, North Carolina, that fatally injured two contract workers.

Updated BP Texas City Animation on the 15th Anniversary of the Explosion

3/23/2020 4:30:00 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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Philadelphia Energy Solutions Refinery Fire and Explosions 

View information on the CSB's recently released investigation into a massive 2019 refinery incident 







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