All chemical subprogrammes have a common reporting format. FD are reported using the B1 reporting format. BB are reported using the B2 reporting format. Generally only aggregated data, normally monthly averages are reported to the Programme Centre. For calculation of average values when values below detection limit are included, please see Annex 7 .
L is attached.
Mode Primary values are reported without a status flag. When averages and other calculated values are reported a status flag is attached. For calculation of average values, please see Annex 7 .