1 If you are an undergraduate student, you're paid by the hour. 2  If you are a graduate or professional student, you're paid by the hour or by salary, depending on the work you do.  Your school must pay you at least once a month.
IAD Airport is located within both communities of Chantilly and Dulles, Virginia, but is 26 miles west of the central business district of Washington, D.C.
The Dulles Airport is 26 miles from Washington DC and has 139 airline gates. In 2012, it handled more than 22.5M passengers including both domestic and international travellers.