Radiation detectors at US ports of entry now operate more effectively, efficiently

Department of Homeland Security, Customs and Border Protection is improving radiation scanning equipment used at many of our nation's ports of entry. Radiation portal monitors now better detect radiological threats while alarming much less frequently on non-threatening materials, resulting in big savings. The improvements, known as Revised Operational Settings, are being implemented during the annual calibrations of radiation portal monitors used to detect radiological threats in cargo and conve