Review - CSB Updated Status of 15 Investigation Recommendations – 7-25-25

Yesterday the Chemical Safety Board (CSB) updated their Recent Recommendation Status Updates page, closing five recommendations with acceptable alternative actions. These actions left 128 of 1019 recommendations open. Additionally, the CSB updated the open status of ten recommendations. The CSB took these actions on July 25^th, 2025.

The five recommendations recently closed recommendations are:

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R1 - Marathon Martinez Renewables,

• Kuraray Pasadena Release and Fire - 2018-03-I-TX-R5 - Kuraray America, Inc,

• Kuraray Pasadena Release and Fire - 2018-03-I-TX-R12 - Kuraray America, Inc,

• Intercontinental Terminals Company (ITC) Tank Fire - 2019-01-I-TX-R1 - Intercontinental Terminals Company, and

• Husky Energy Superior Refinery Explosion and Fire - 2018-02-I-WI-R16 - Honeywell UOP,

The ten open recommendations that were updated are:

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R2 – Marathon Martinez Renewables,

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R3 – Marathon Martinez Renewables,

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R4 – Marathon Martinez Renewables,

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R5 – Marathon Martinez Renewables,

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R6 – Marathon Martinez Renewables,

• Marathon Martinez Renewable Fuels Fire - 2024-01-I-CA-R7 – Marathon Martinez Renewables,

• Honeywell Geismar Chlorine and Hydrogen Fluoride Releases - 2023-02-I-LA-R1 - Honeywell International Inc,

• Honeywell Geismar Chlorine and Hydrogen Fluoride Releases - 2023-02-I-LA-R2 - Honeywell International Inc,

• Honeywell Geismar Chlorine and Hydrogen Fluoride Releases - 2023-02-I-LA-R3 - Honeywell International Inc, and

• Aghorn Operating Inc. Waterflood Station Hydrogen Sulfide Release - 2020-01-I-TX-R3 - Aghorn Operating Inc.

For more details about the actions taken that resulted in these update actions, see my article at CFSN Detailed Analysis - https://patrickcoyle.substack.com/p/csb-updated-status-of-15-investigation - subscription required.