R3-Nordic, the Nordic Society of Cleanroom Technology, is a non-profit, independent association for the promotion of new technologies in cleanroom technology and contamination control in the Nordic countries. The aim of the annual R3Nordic Symposium is to provide knowledge within the pharmaceutical, food and electronic industries as well as hospitals and hospital pharmacies. This year the sessions at the 45th R3Nordic Symposium are Pharma, Hospital and General Sessions and the presentations deal with construction and design, planning, auditing, contamination control, cleanroom technology and management, sterilization techniques, cleaning of clean rooms, protective clothing, monitoring techniques, rapid test methods and regulations in clean and controlled rooms. The venue of the annual symposium 2014 is Naantali Spa in Naantali. The persons involved in the Programme Committee are Satu Salo, Kari Leonsaari, Leila Kakko, Sirkka Malmioja, Antti Mikkola, Raimo Pärssinen and Gun Wirtanen. The editors of the proceedings would like to express their gratitude to the speakers for preparing the abstracts published in the journal Renhetsteknik 1/14 as well as the extended abstracts or full papers published in these electronic proceedings.