; and (5) be integrated with other technologies to further facilitate risk-based passenger screening at checkpoints, to the extent practicable and consistent with security standards. . 508. Standard operating procedures at airport checkpoints (a) Standardization The Administrator of the Transportation Security Administration shall require, to the extent practicable, that standard operating procedures at airport checkpoints for passengers and carry-on baggage are carried out in a uniform manner among similarly situated airports. (b) Report to congress Not later than 270 days after the date of the enactment of this Act, the Administrator of the Transportation Security Administration shall submit to the Committee on Homeland Security of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report on how standard operating procedures were made uniform in accordance with subsection (a). (c) Audits Beginning one year after the date of the enactment of this Act, the Inspector General of the Department of Homeland Security shall conduct periodic audits of adherence to the standard operating procedures, as established by the Administrator of the Transportation Security Administration, under this section of screening personnel at large, medium, and small airports in diverse geographical areas. 509. Canine detection research and development (a) In general The Secretary of Homeland Security shall conduct an audit of all canine training programs of the Department of Homeland Security and convene a working group of representatives from all such programs to make recommendations on possible efficiencies that could be gained by integrating training standards and facilities. (b) Canine staffing allocation model The Administrator of the Transportation Security Administration shall develop a staffing allocation model for canines to determine the optimal number of passenger screening canines at airports in the United States. (c) Report to Congress Not later than 180 days after the