[Standardization and control of maximimum permissible concentrations as a metrological task].
D004781:Environmental Exposure; D008433:Mathematics; D008452:Maximum Allowable Concentration; D014874:Water Pollutants, Chemical / Q000032:analysis; D014894:Weights and Measures / Q000592:standards*
D014874:Water Pollutants, Chemical
Normirovanie i kontrol' predel'no dopustimykh kontsentratsiĭ kak metrologicheskaia zadacha.