; (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. 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 Adjudicators and Supervisory Image Adjudicators hired during the reporting period; (2) the number of Image Adjudicators and Supervisory Image Adjudicators currently employed by the Office of Field Operations, disaggregated by port of entry; (3) the average number of images scanned by each Image Adjudicator; (4) training methodologies utilized to train Image Adjudicators and Supervisory Image Adjudicators; (5) assessment passage rates of Image Adjudicators and Supervisory Image Adjudicators; and (6) the impact of Image Adjudicators and Supervisory Image Adjudicators on interdiction rates at ports of entry and international rail crossings at which Image Adjudicators or Supervisory Image Adjudicators are stationed, including— (A) throughput increases or decreases at such ports of entry and rail crossings; (B) increases or decreases in waiting times at such ports of entry and rail crossings; and (C) increases or decreases of seizures of contraband, illicit drugs, terrorist weapons, and persons seeking to unlawfully enter or exit the United States, broken down by type of seizure and port of entry or rail crossing.