Emulsion processing at Gran Sasso a brief update The new building Meetings between Company’s management and GS staff to fully define the project ‘Work delivery’ (consegna dei lavori) on May, 18th  formal delivery date is 15 months since this date! Area cleared and delimited (also our Cosmic-ray hut displaced...) Excavation expected to start this week We are expected to provide Fe for Cosmic-ray pit shielding by summer The prototype chain Test site hall assigned and prepared for OPERA Main structure assembled, several details defined (e.g. cabling, steel protection, rescue of any leakage, etc.) Several electric components assembled Electronic boxes for manual control and check in prepara-tion (ready next week) Full series of stainless steel tanks in production (prototypes accepted)  Ready and equipped for full scale tests by July, then “automation” program will start G. Rosa / OPERA Coll. Meeting Hamburg, June 2004

The prototype chain INFN Rome A.Buccheri, A. Pelosi, G. R. LNGS D. Di Martino

Emulsion storage – Hall B Nagoya meeting......April......now!