The Department of Homeland Security intends to award a sole source contract to Astrophysics, Inc. for prototype ruggedization and field testing of a Low Energy Portal and Radiation Portal Monitor system. The work involves installing the prototype at the San Ysidro Port of Entry and conducting field testing to mitigate x-ray interference issues. The period of performance is 6 months from the date of award, with the primary place of performance in the metropolitan Washington, DC area. No budget information is specified in the description. This notice is for informational purposes only and is not a request for competitive proposals.