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Testing and Evaluating Potential Solutions 41 being offloaded from the aircraft. Any baggage that requires further inspection would be routed to the CBP Secondary area and the passenger would be directed from CBP Primary (or Egress) to the Secondary area. Advanced Spectroscopic Portals: CBP is investing heavily in advanced spectroscopic portals (ASPs) to detect radiation at all ports of entry. CBP's airport facilities guidelines specifically require radiation detection capabilities to be in place for Preclearance facilities in which bags are exempt from the FIS area. Pilot project funding to assist in the improvement of detecting dirty nuclear weapons parts could, therefore, be attractive to CBP. For this study, deploying ASPs for transfer bags could be an important improvement to assist with eliminating baggage rechecks. X-ray Baggage Screening: CBP does not perform X-ray screening of bags upon arrival as part of its Primary Processing. Depending on the site, an X-ray unit could be located in a separate part of the FIS area or in-line with the conveyor system at ramp level. Eligible baggage could be 100 percent screened or sampled through an adequate statistical method. This capability would enhance CBP's current screening provisions, which only provide officers a review of the contents of bags when inspected in CBP Secondary where X-ray equipment is located. Issues and Considerations Any alternative that proposes different procedures for CBP means new training for offi- cers and raises concerns about appropriate officer utilization. Airports and airlines have long expressed concern about the lack of CBP officers at Primary booths. There needs to be a careful balance to ensure that the benefits of baggage recheck elimination or reduction outweighs staff- ing allocation costs to ensure smooth Primary Processing at hub airports. Alternative Procedure 4: Enhanced Pre-departure Information A major trend in border management in recent years is to "push the border out" through analysis of information before flight arrival. API and watch list-based board/no-board direc- tives are some examples of this trend. API is a powerful tool but is focused on a select few risk elements--the identity of the passenger--with limited information about checked bags (other than number of bags). Alternative Procedure 4 is the development of new tools that help to provide risk management before a flight reaches the United States. Process Before departure, agreed-upon information is provided to CBP in a standard format (Figure 19). CBP could then process and review information and flag a passenger for Secondary Processing hours before flight landing. The information could include the following: Bag Image: Making an image of the exterior of checked bag(s) available to CBP is one enhance- ment that has assisted in managing risks for more than one million passengers since 2006. When Figure 19. Enhancement of pre-departure information.