Valero’s Benicia oil refinery is one of the largest refineries in the state. And from 2003 to 2018, it secretly released excessive amounts of hazardous chemicals into the air before Bay Area regulators found out and investigated. Meanwhile, local officials and the broader community were only informed this year. 
Guest: Ted Goldberg, KQED supervising senior editor for news
Episode Transcript
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'First I Had Heard of It': Valero's Benicia Refinery Secretly Released Toxic Chemicals for Years
 
This episode was produced by Maria Esquinca, Alan Montecillo and hosted by Ericka Cruz Guevarra