"21-APR-17" . . "1" . "CSU88322" . . "1" . "Concentration uncertainty of sulphate {SO4(2-) sulfate CAS 14808-79-8} per unit volume of rainwater [dissolved plus reactive particulate phase]"@en . "SO4(2-)_sulfate_rainwater_ERR" . "CSU88322" . "CSU88322" . "accepted" . "The estimated uncertainty or 'error' associated with the specified measurement. The method used to estimate uncertainty should be described in the usage metadata." .