; (2) border traffic patterns; and (3) scanning goals at each port of entry and international rail crossing. (b) Validation Not later than 6 months after the completion of the workforce staffing model described in subsection (a), the Comptroller General of the United States shall validate such workforce staffing model and transmit notification of such validation to the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Homeland Security of the House of Representatives. 4. Reporting requirements Upon completion of the validation of the workforce staffing model pursuant to section 3(b), and quarterly thereafter, the Commissioner of U.S. Customs and Border Protection, in consultation with the Executive Assistant Commissioner, shall submit a report to the Committee on Homeland Security and Governmental Affairs of the Senate and the Committee on Homeland Security of the House of Representatives that identifies— (1) the number of Image Technicians and Supervisory Image Technicians hired during the reporting period; (2) the number of Image Technicians and Supervisory Image Technicians currently employed by the Office of Field Operations, disaggregated by port of entry or sector; (3) the daily average number of images scanned by each Image Technician; (4) training methodologies utilized to train Image Technicians and Supervisory Image Technicians; (5) assessment passage rates of Image Technicians and Supervisory Image Technicians; and (6) the apparent impact of Image Technicians and Supervisory Image Technicians on interdiction rates at ports of entry and international rail crossings at which Image Technicians or Supervisory Image Technicians are stationed or from which Image Technicians or Supervisory Image Technicians review images, including— (A) throughput increases or decreases at such ports of entry and international rail crossings; (B) increases or decreases in waiting times at such ports of entry and international rail crossings