Attendees : M. Blaskiewicz, , A. Fedotov, Y. Y. Lee, N. Malitsky, 

 W. McGahern D. Raparia, G. Parzen, S. Tepikian, N. Tsoupas, J. Wei, S. Y. Zang

Blaskiewicz present the impedance calculation for the primary collimators. (1)

Blaskiewicz also updated e-p calculations. (1)

Fedetov presented the results for correcting two resonances of same harmonics.