Guido Sterbini, Michail Zampetakis, Natalia Triantafyllou, Leandro Intelisano, Sofia Kostoglou, Konstantinos Paraschou, Axel Poyet, Ilias Efthimiopoulos, Hannes Bartosik, Yannis Papaphilippou, Gianni Iadarola, Michele Carla'.
Leandro presented an update of 50 Hz noise and the LHC sector circuit model.
After an historical presentation of the problem, Leandro recalled the specific observations for the LHC.
Axel presented the proposal to collect in a web site few know-hows from the BB tool pools. It can be found at http://bblumi.web.cern.ch/. Emphasis was put in collaborating on making it grows or ask for extensions.