Valero RefineryValero Refinery

Problems began at the refinery on March 11 when a malfunction involving one of the refinery's units led to the release of petroleum coke dust.

Valero's March Pollution Release Exposes Weaknesses in Benicia's Air Monitoring System

Dozens of tall smokestacks beside a parking lot.

State Rejects Benicia's Bid to Have Political Watchdog Investigate Valero

Storage tanks at Valero's oil refinery in Benicia, California.

State Decides Not to Penalize PG&E for Major Valero Outage

Air District Investigating Latest Valero Refinery Release Weeks After Power Outage

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