Aerial photos of a tractor-trailer accident on Interstate 81 in Botetourt County.
A regional hazardous materials team responded to the chemical spill on Interstate 81 on Thursday.
The team is based in Roanoke and Salem, and it covers a big area.
The team is made up of Roanoke City and the city of Salem Fire Departments.
Seventy-three people are on it.
Members of the team explained that the spill was a normal regional response for them.
They cover a wide region, starting on Route 8 in Floyd, going north to mile marker 200 on I-81.
Then, from the West Virginia line in Craig County to the far end of Franklin County.
Each call is different.
Some responses require the hazmat team to stay out for hours or days, even weeks.
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