September 21, 2009
According to a news release, Radiation Portal Monitors (RPMs) are detection devices that provide U.S. Customs and Border Protection with a passive, non-intrusive means to scan cargo containers and other conveyances for the presence of nuclear and radiological materials. These systems are capable of detecting various types of radiation emanating from nuclear devices, dirty bombs, special nuclear materials, natural sources, and isotopes commonly used in medicine and industry.
Alaska Area Port Director Lance E Robinson stated that "The deployment of RPM's is one component in Customs and Border Protection's layered defense to prevent terrorist and terrorist weapons from entering the United States".
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