Computer software for use in the analysis of data and images generated by explosive detection equipment, to test the efficacy of the explosive detection equipment; test apparatus, namely, proxies for explosive devices and materials and components thereof in the nature of a calibration device for use in the calibration and maintenance of scanning equipment for detecting explosives; computer hardware and computer software for use in storage of explosive detection system test results, and for calculating standards for evaluation of explosive detection systems for the purpose of data management system