Air quality — Stratified sampling method for assessment of ambient air quality
NORMA vydaná dňa 21.9.1989
Označenie normy: ISO 9359:1989
Dátum vydania normy: 21.9.1989
Počet strán: 12
Približná hmotnosť: 36 g (0.08 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: This is by estimating percentiles and means of the frequency distribution of measurements of characteristics. The application to the estimation of means is restricted to certain cases. The procedure enables results which are independent of the actual meteorological conditions prevailing during the interval of time of measurement to be calculated for a longer time.