ISO 11665-4:2012 describes radon-222 integrated measurement techniques with passive sampling. It gives indications for determining the average activity concentration of the radon-222 in the air from measurements based on easy-to-use and low-cost passive sampling, and the conditions of use for the sensors.
ISO 11665-4:2012 covers samples taken without interruption over periods varying from a few days to one year.
Status: WithdrawnPublication date: 2012-07
Edition: 1Number of pages: 29
Technical Committee: ISO/TC 85/SC 2 Radiological protection