Federal officials say a fire earlier this year at a vital airport technical center in southern New Jersey caused at least $2.2 million in damage.

The estimate announced Tuesday by the Federal Aviation Administration includes the cost for emergency response, cleanup, some demolition work and installation of a temporary roof at the William J. Hughes Technical Center. But FAA spokeswoman Holly Baker tells The Press of Atlantic City that officials have not yet determined how much it will cost to rebuild work stations and other areas at the site.

The cause of the June 22 fire remains under investigation, though foul play is not suspected.

The center on the grounds of Atlantic City International Airport in Egg Harbor Township is an FAA aviation research, development and test facility.

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