 Benicia residents learned more than two years ago that the Valero oil refinery in their midst had released excessive levels of toxic chemicals for years - and that Bay Area air regulators had failed to tell them about it.  As KQED's Julie Small reports, they're still waiting for answers about what happened and what's being done about it.  

<p> Benicia residents learned more than two years ago that the Valero oil refinery in their midst had released excessive levels of toxic chemicals for years - and that Bay Area air regulators had failed to tell them about it.  As KQED's Julie Small reports, they're still waiting for answers about what happened and what's being done about it.  </p>

KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.

<p>KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.</p>