# Code table 4.2 - Parameter number by product discipline and parameter category 0 0 Air concentration of caesium 137 (Bq m-3) 1 1 Air concentration of iodine 131 (Bq m-3) 2 2 Air concentration of radioactive pollutant (Bq m-3) 3 3 Ground deposition of caesium 137 (Bq m-2) 4 4 Ground deposition of iodine 131 (Bq m-2) 5 5 Ground deposition of radioactive pollutant (Bq m-2) 6 6 Time-integrated air concentration of caesium pollutant (Bq s m-3) 7 7 Time-integrated air concentration of iodine pollutant (Bq s m-3) 8 8 Time-integrated air concentration of radioactive pollutant (Bq s m-3) 9 9 Reserved 10 10 Air concentration (Bq m-3) 11 11 Wet deposition (Bq m-2) 12 12 Dry deposition (Bq m-2) 13 13 Total deposition (wet + dry) (Bq m-2) 14 14 Specific activity concentration (Bq kg-1) 15 15 Maximum of air concentration in layer (Bq m-3) 16 16 Height of maximum air concentration (m) 17 17 Column-integrated air concentration (Bq m-2) 18 18 Column-averaged air concentration in layer (Bq m-3) # 19-191 Reserved # 192-254 Reserved for local use 255 255 Missing