General Electric [GE] says the Transportation Security Administration (TSA) has certified its Itemiser DX desktop explosive trace detector following testing at the Department of Homeland Security Transportation Security Laboratory and extensive operational testing in a live airport environment. The Itemiser DX is more sensitive than GE’s Itemiser3 and can identify a larger number of threat substances in seconds. The Itemiser DX comes in a small, compact package with folding touch screen and easy carrying handle and has a 60-minute battery backup. TSA last summer put Smiths Detection‘s IONSCAN 500DT on the agency’s new EDT Qualified List (TR2, Aug. 20, 2008). GE and Smiths are the only two company’s with ETD systems on the updated qualified product list.