Attendees : M. Blaskiewicz, A. Fedotov, H. Ludweig,   D. Raparia, G. Parzen, S. Tepikian, R. Thomas, J. Wei, S. Y. Zang

Measurement of 21Q40 were discussed, 25 out of 29 quad have been measured

2 string (1_9 & 2_8) of 8 quads have been selected

Primary collimator aperture was discussed by Ludeweig and decided that instead of two elliptical

section will have one section (x=+_79 mm, y=+-48mm)

Non linear resonance were discussed by Fedotov. He showed that non linear resonaces can be corrected. He also summarized the octupole corrections. 

for high intensity .

George disscused  the emittane growth due to the non linear coupling resonances.