Automatic safety shutdown system was triggered once at the Kalinin NPP unit no.2 on 27.03.2004 due to the failure in the circulation pump. Safety and radiation levels remained normal. Automatic safety shutdown system at the research reactors was triggered four times last month. According to GAN, no serious safety violations or radiation consequences took place. A geophysical device IBN-8-5 with a source of ionizing radiation was accidentally dropped in the borehole in the Urals, Surgut, Tyumen region on 17.03.2004. The personnel were trying to get the device from the whole. Radiation levels remained normal in the area.