KCBS_740 RICHMOND (KCBS) — Flaring activity at the Chevron Refinery Sunday had residents in the area expressing concern.

Refinery officials issued a statement assuring Richmond residents that what people saw was “normal flaring activity.”

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Chevron says flares are “a safety device to relieve pressure during the refining process.”

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The fire department also said everything was okay, and that refinery workers had everything in control.

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There were no injuries.