Manufacturing processes: Whilst the production of chlor-alkali has been the most important manufacturing process using mercury, Commission Implementing Decision 2013/732 prohibits such use as from 11 December 2017.

Sulphite pulp produced by a specific pulp making process, e.g. pulp produced by cooking wood chips in a pressure vessel in the presence of bisulphite liquor expressed as net saleable production in Adt.

Process emissions from raw materials used as make-up chemicals, including at least limestone or soda ash, shall be monitored by Method A in accordance with section 4 of Annex II. CO emissions from the recovery of limestone sludge in pulp production shall be assumed to be recycled biomass CO. Only the amount of CO proportional to the input from make-up chemicals shall be assumed to give rise to fossil CO emissions.

Whereas several product benchmarks, such as the ammonia and soda ash benchmarks, assume that all CO resulting from the production processes is emitted to the atmosphere, emissions should be monitored and reported in accordance with the regulation for the monitoring and reporting of emissions from the activities listed in Annex I, to be adopted by 31 December 2011 pursuant to Article 14(1) of Directive 2003/87/EC, assuming that all CO produced during these production processes was emitted to the atmosphere, irrespective of any potential use of the CO as feedstock in chemical production processes.

1. Coated woodfree papers made of fibres produced mainly by a chemical pulping process which are coated in process for different applications and are also known as coated freesheet.

2-furaldehyde is also a major contaminant from the sulfite pulping processes used in pulp and paper industry, or may be released to the environment via the smoke from burning wood.