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Standards Development
This Technical Specification specifies an automatic method for the periodical determination of the concentration of formaldehyde in emissions from stationary sources of several industrial sectors. The method is based on optical techniques.
Emissions of formaldehyde from industrial or other processes or from materials are regulated in the majority of Member States. Formaldehyde is marked as an irritant for eyes and the respiratory system and as a possible human carcinogen (Carc. 1B, Commission Regulation (EU) No 605/2014). Formaldehyde levels in air are relevant, in terms of toxicological aspects, regarding workplace health and safety. At the moment no European (EN) or International (ISO) Standard exists for the either the automatic or manual periodic measurements of formaldehyde emissions which are being addressed by the Commission in its implementing decision 2015/2119 of 20 November 2015 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for the production of wood-based panels. Formaldehyde is, for example, generated during drying of the (chipped, hacked or flaked) wood, or added to wood fibres by the resins used in the production of wood-based panels, which is an activity listed in point 6.1.c of Annex I of Directive 2010/75/EU. The standard will also be applicable for the measurement of formaldehyde in emissions of other industrial sectors, like energy industries (combustion plants (e.g. for wood and gas), combustion engines (gas engines and turbines), chemical industry (e.g. formaldehyde production), food industry (e.g. smoking plants).
A CEN/TS on a manual method for periodic measurements is just in preparation and will presumably be published in 2020. However, this manual method will not in all cases be specific to formaldehyde and will often produce a measurement result applicable to a range of aldehydes. What is needed in order to provide the community with a comprehensive set of measurement tools is a complimentary approach that produces a measurement result attributable to formaldehyde only. Portable optical techniques offer just such an approach: however, in order to realise their use a method for ongoing QA/QC is needed, as is proposed herein. Furthermore, this CEN/TS will interface with EN 15267-4:2017: the latter providing method to determine the performance characteristics of the portable Page 2 of 4 automated measuring system (and therefore it's suitability for the measurement objective) and the former providing the ongoing QA/QC to ensure the portable instrument remains within specification (i.e. that the performance characteristics determined in type approval are maintained).
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