The workshop will be held at the Crystal Gateway Marriott Hotel, 1700 Jefferson Hwy., Arlington, Virginia, 22202. The hotel is just three miles from Ronald Reagan airport in Washington, DC, right at the Crystal City Metro stop or easily accessible by cab from the airport. The phone number for group reservations for the workshop is (703) 920-3230. The group name is NSF Workshop. You can also register on-line at www.marriotthotels.com. For a virtual tour of the hotel please click here or go to - http://www.marriott.com/wasgw.