The shipment of temporary floating barriers left the Bay Area on Friday.
Newsom said he is all too aware of the threat oil spills pose. In November 2007, the Cosco Busan container ship spill dumped more than 53,000 gallons of heavy bunker oil into the Bay.
The port consulted with the U.S. Coast Guard to ensure that enough boom will remain in San Francisco in case of a local emergency.