mr. mcgill. james patrick, peter strauss, and bob finebaum. >> hello again, commissioners. now, to your question, supervisor peskin, i think it was four years ago i brought up the fact that a similar amount in new york, the world trade transit center generated a billion and a half for a 99-year lease and i'm not sure what happened in san francisco. the top priority is to restore public confidence in the structural integrity of the transit center before we resume bus operations. the best way to manage the structures is acoustic monitoring, because steel and the stress emits low frequency sound waves before cracks can be detected like conventional methods. structural acoustic monitoring is implemented by the installation of microphones on a steel elements of a structure and then later triangulation was used to warn of the formation of multiple cracks in the bridge and was recommended by the bay bridge peer review group to monitor rods and cables in the new bay bridge three years ago. please ask m.t.c. to direct the peer review group to implement for transit center and conside