Attendees : M. Blaskiewicz, D. Davino, A. Fedotov, H. Hahn, Y. Y. Lee, N. Malisky,  S. Tepikian, N. Tsoupas, D. Raparia, G. Parzen

Raparia presented the update in the RTBT optics and collimator location.

Jei discussed the pacman effect due to the electron cloud effect 

 Tepikian use of IPM in the ring

Malisky presented the progress report for implemantaion of diagnostics in the UAL

Fedotov discussed the envelop instability in the Rings simulation and theory.