Measurements are considered essential for an adequate assessment of radioactivity in the biosphere. The programme of RIVM/LSO includes samples of airdust and deposition taken at the RIVM premises in Bilthoven. Samples of grass and milk were taken from the surroundings of nuclear installations in the Netherlands and on Dutch territory in the vicinity of such installations situated abroad. An overall country milk sample from four milk factories in the Netherlands was also analysed. Data of the National Radioactivity Monitoring Network (LMR) in 1995 are presented as well. Based on the results it is concluded that no significantly deviations from values in previous years were observed. In all cases the activity concentrations are back to or even lower than the levels of just before the Chernobyl accident.