Supervision – Data acquisition A data acquisition of the entire helium gas recovery system distributed on the EPFL campus is being developped at SPC.Pressure in the storage and volume in the balloonVolume and quality of the return gas coming from the different labsA data acquisition of the entire helium gas recovery system distributed on the EPFL campus is being developped at SPC.Pressure in the storage and volume in the balloonVolume and quality of the return gas coming from the different labs