Posted on January 8, 2020January 9, 2020 by Pulse AssentISO 11665-4:2020 Measurement of radioactivity in the environment. Air: radon-222 Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis Link: ISO 11665-4:2020 Measurement of radioactivity in the environment. Air: radon-222 Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis Source: BSI Standards Related Posts:Environment Agency helps industry reduce carbon…HMRC advises businesses importing goods from EuropeAdapt or die, says Environment AgencyEnvironment Agency launches new flooding Action PlanSurvey of explosives contamination in the environment