 In Marcus Hook, along the Delaware River, the Sunoco oil refinery preemptively lowered its production rate by 25 percent, to .In New Jersey, Governor Chris Christie declared a state of emergency on August 25, with President Obama reaffirming the declaration nationally by August 27.Mandatory evacuations were ordered for all of Cape May County and all Atlantic County shore communities east of Route 9, prompting Atlantic City's first evacuation in history.