Review - CSB Updated the Status of 6 Investigation Recommendations –

Yesterday, the Chemical Safety Board (CSB) updated their Recent Recommendation Status Updates page, closing one recommendation with acceptable action, one with exceeds recommend actions, and one with acceptable alternative actions. These actions left 116 of 1035 recommendations open. Additionally, the CSB updated the open status of three recommendations. The CSB took all of these actions on May 13th, 2026. The previous update was published on March 16th, 2026. 

The three recently closed recommendations are: 

• Cuisine Solutions Ammonia Release - 2024-03-I-VA-R4 – Cuisine Solutions Inc., Sterling Site,  

• Intercontinental Terminal Company (ITC) Tank Fire - 2019-01-I-TX-R6 – American Petroleum Institute (API), and 

• Husky Energy Superior Refinery Explosion - 2018-02-I-WI-R15 – API. 

Updated Open Reaccommodations  

The three recommendation that were updated as opposed to closed were: 

• Cuisine Solutions Ammonia Release - 2024-03-I-VA-4 - Cuisine Solutions Inc., Sterling Site, 

• Cuisine Solutions Ammonia Release - 2024-03-I-VA-R6 - Cuisine Solutions Inc., Sterling Site, and 

• Husky Energy Superior Refinery Explosion and Fire - 2018-02-I-WI-R14 - API. 

For more information on the investigation responses, see my article at CFSN Detailed Analysis - https://patrickcoyle.substack.com/p/csb-updated-the-status-of-6-investigation - subscription required.