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Didion Milling implements all nine CSB recommendations

Didion Milling cooperated with the CSB to address combustible dust hazards through engineering & administrative controls after a 2017 explosion killed five employees & injured 14.
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CSB releases final report into fatal U.S. Steel Clairton Coke Works explosion

The CSB found process safety management, hazard analysis, & facility siting issues contributed to the fatal gas valve failure and explosion at U.S. Steel’s Clairton Coke Works.

Didion Milling implements all nine CSB recommendations

August 12, 2026 · Didion Milling cooperated with the CSB to address combustible dust hazards through engineering & administrative controls after a 2017 explosion killed five employees & injured 14.

CSB releases final report into fatal U.S. Steel Clairton Coke Works explosion

August 10, 2026 · The CSB found process safety management, hazard analysis, & facility siting issues contributed to the fatal gas valve failure and explosion at U.S. Steel’s Clairton Coke Works.

Full Circle Lithium FCL-X Extinguishers

July 29, 2026 · FCL-X is a PFAS-free lithium-ion fire extinguishing agent designed to stop thermal runaway, reduce toxic gas release, and prevent reignition. UL 9540A, UL 711, & NTA 8133 certified.

Deadly Washington Paper Mill Tank Fell Outside Inspection Rules

June 8, 2026 · Safety experts say the tank that killed 11 workers at a Washington paper mill was not required to undergo routine inspections because it fell outside many state and federal oversight rules.

CSB Says Fatal Kentucky Plant Explosion Was ‘Waiting to Happen’

May 28, 2026 · The CSB says a deadly 2024 explosion at a Kentucky caramel coloring plant could have been prevented and exposed serious safety failures tied to reactor design and hazard planning.

CSB investigating fatal Catalyst Refiners hydrogen sulfide release

April 23, 2026 · Two employees were killed by a hydrogen sulfide leak & explosion when nitric acid and another chemical mixed during work to close down the Nitro, West Virginia silver catalyst facility.

CSB commends AFPM for voluntary refinery safety outreach

March 27, 2026 · The CSB commended the American Fuel and Petrochemical Manufacturers for hosting workshops and creating a webpage with fluid catalytic cracking safety resources for refineries.

CSB issues update on fatal AES explosion investigation

March 16, 2026 · The CSB is investigating Accurate Energetic Systems’ “melt-pour” manufacturing process, process safety management, and industry guidance for commercial high explosive manufacturing.

OSHA fines U.S. Steel, MPW Industrial Services for Clairton Coke Works explosion

February 24, 2026 · OSHA investigators concluded U.S. Steel and MPW Industrial Services exposed workers to explosion, struck-by, and high-pressure injection hazards, proposing nearly $180,000 in fines.

OSHA cites Horizon Biofuels nearly $150K for willful safety violations

February 17, 2026 · As part of its investigation, OSHA fined Horizon Biofuels nearly $150K for willful safety violations. A combustible dust explosion killed three at its Fremont, Nebraska facility last year.

OSHA clarifies reporting rules for lithium-ion battery injuries

February 13, 2026 · OSHA’s letter of interpretation answers how to determine if personal lithium-ion battery injuries in the workplace should be recorded on forms 300, 301, and 300-A or equivalent forms.

CSB releases video on combustible dust explosion at Didion Milling

February 6, 2026 · In addition to describing 13 key safety issues, the CSB’s video on the Didion Milling explosion calls on OSHA to develop an overarching combustible dust standard for general industry.

CSB commends St. Louis Board of Aldermen for implementing recommendations

January 23, 2026 · The CSB commended the St. Louis, Missouri, Board of Aldermen for following its recommendation to revise the city’s Mechanical Code to meet national pressure vessels and boiler standards.

CSB recommends facility siting evaluation to U.S. Steel

December 30, 2025 · After a fatal explosion, the CSB called on U.S. Steel to conduct a facility siting evaluation at its Clairton Coke Works to address immediate hazards to workers based on building locations.

CSB releases video animation of fatal 2021 Yenkin-Majestic explosion

December 9, 2025 · The CSB showed how inadequate testing, engineering controls, and emergency plans contributed to the fatal 2021 Yenkin-Majestic Paint explosion in Columbus, Ohio in its new video.