Title_en,OctetNo,Contents_en,Note_en,noteIDs,codeTable,flagTable,Status analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,10,Parameter category,(see Code table 4.1),,4.1,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,11,Parameter number,(see Code table 4.2),,4.2,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,12-13,Atmospheric chemical constituent type,(see Code table 4.230),,4.230,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,14,Source or sink,(see Code table 4.238),,4.238,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,15,Type of generating process,(see Code table 4.3),,4.3,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,16,Background generating process identifier (defined by originating centre),,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,17,Analysis or forecast generating process identifier (defined by originating centre),,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,18-19,Hours of observational data cut-off after reference time,(see Note),33,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,20,Minutes of observational data cut-off after reference time,,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,21,Indicator of unit of time range,(see Code table 4.4),,4.4,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,22-25,Forecast time in units defined by octet 21,,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,26,Type of first fixed surface,(see Code table 4.5),,4.5,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,27,Scale factor of first fixed surface,,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,28-31,Scaled value of first fixed surface,,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,32,Type of second fixed surface,(see Code table 4.5),,4.5,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,33,Scale factor of second fixed surface,,,,,Operational analysis or forecast at a horizontal level or in a horizontal layer at a point in time for atmospheric chemical constituents with source or sink,34-37,Scaled value of second fixed surface,,,,,Operational