March 26 refinery “material release” remains under investigation…

The Benicia Bridge, By Laura López González & Monica Vaughan, April 18, 2026
Valero delayed reporting the March 26 flare-tower “material release,” which remains under investigation by several agencies. The plant may not have reported the flaring to state authorities at all, had it not been for Solano County officials’ urging.
A distinctive black plume from one of Valero’s three flare stacks made local headlines in March. Unsure of what was being spilled into the air, Benicia Fire Chief Josh Chadwick issued a voluntary shelter-in-place warning for the city, as previously reported by The Benicia Bridge. NBC News reported that about two dozen Valero workers were sent to the hospital with chemical burns caused by cleaning chemicals involved in the incident. Company officials denied that happened.
Earlier this week … [Continued on The Benicia Bridge…]
Reposted with permission, The Benicia Bridge
Excellent reporting from Benicia’s newest award-winning journalism duo, Monica Vaughan and Laura López González. – Roger Straw
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