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.”

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

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

There were no injuries.