SAN FRANCISCO (CBS SF) – A San Francisco Whole Foods Market was evacuated Tuesday afternoon because of refrigeration unit that was leaking gas, a fire department employee said.

The leak was reported at 2:04 p.m. at the Whole Foods at 1765 California St. Fire crews arrived a short time later and capped the leak.

Two people were medically evaluated at the scene, but no one was taken to a hospital, the employee said.

The refrigerator appeared to have leaked a Freon gas, she said.

As of 3:25 p.m., the department’s hazardous materials unit remained at the site of the incident.

(Copyright 2013 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)