Fire crews are working to contain a brush fire on federal land near a chemical plant in Bay Point this afternoon, a Contra Costa County Fire Protection District official said.
Officials said the fire has charred 120 acres and as of 5 p.m. was 90 percent contained.
The blaze was reported around 1 p.m. at the former Concord Naval Weapons Station, west of the General Chemical Corp. plant at 501 Nichols Drive, according to fire Capt. Robert Marshall.
Our helicopter flew over the fire at 3:30 and found the fire burning at a slow rate of speed away from buildings.
Airplanes were dropping retardant on the fire and crews were also on the ground fighting it with old fashioned fire hoses.
The fire was 4 alarms and resources have been called in from CalFire, East Bay Regional Parks and federal firefighters.
It appeared a road would serve as a fire break, if crews on the scene weren't able to put it out before then.
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An administrator at the plant said employees were told to shelter in place after the grass fire broke out, but that the order had been lifted as of 2:30 p.m.
Marshall said the fire is not threatening the plant or other structures, and no injuries have been reported.
It is not clear how the fire started.
