UPDATE (9:10 a.m.): KCFD says seven people complained of minor irritation and one person complained of a mild headache. 

Fire crews and Environmental Health crews are looking into what product was used in an adjacent carrot field that could be the cause. 

KCFD says they believe a product was applied on the ground, but cannot say what that product was. 

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Dozens of farm workers are being treated for possible exposure to a chemical off of Gosford Road, just south of Taft Highway. 

According to Captain Knaggs with the Kern County Fire Department, a total of 60 to 70 people may have been exposed to some type of agricultural product. 

We are being told it was possibly sprayed from a helicopter. 

Kern County Environmental Health, KCFD and Kern County Hazmat is on scene. Fire crews say the farm workers are currently being evaluated on scene. It was originally reported the farm workers were experiencing nausea and eye irritation. 

Gosford Road is closed between Highway 119 and Highway 223. 

We will continue to update you as soon as more information becomes available.