Withdrawn
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.
WITHDRAWN
ISO 11665-4:2012
95.99
Withdrawal of Standard
Jan 6, 2020
WITHDRAWN
ISO 11665-4:2020