A chemical tank nearly exploded. Did California’s regulators miss the signs?
A tank at a Garden Grove aerospace plant came within a crack of exploding and forcing a toxic chemical cloud over 50,000 evacuated residents

A tank at a Garden Grove aerospace plant came within a crack of exploding and forcing a toxic chemical cloud over 50,000 evacuated residents, here's what regulators knew before it happened.
Original reporting: CalMatters.
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