This document specifies a reference method for the determination of emissions from coatings into indoor air. This method is applicable to volatile organic compounds, semi-volatile organic compounds and volatile aldehydes.
NOTE 1   This document is aimed at describing the overall procedure and makes use of existing standards mainly by normative reference complemented when necessary with additional or modified normative requirements.
This document is mainly aimed at determining emission data in indoor air for the purpose of meeting national legislation requirements, and for the voluntary labelling of products.
NOTE 2   Harmonized product standards for coatings falling under the CPR can refer to this standard for the intended conditions of use.
This document applies to coatings for indoor use as listed in Clause 5.
It is not applicable for:
- coatings that are applied off site or coatings that are applied on site, prior to the structure being permanently weatherproof  except for the product type category 7 as listed in Clause 5;
- tinting pastes that are not ready for use as coating;
- non film-forming products like e.g. waxes and impregnations.

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This European Standard specifies a reference method for the determination of emissions from coatings into indoor air. This method is applicable to volatile organic compounds, semi-volatile organic compounds and volatile aldehydes.
NOTE   This European Standard is aimed at describing the overall procedure and makes use of existing standards mainly by normative reference complemented when necessary with additional or modified normative requirements.
This European Standard applies to coatings for indoor use as listed in Clause 5.It is not applicable to coatings that are applied off site or coatings that are applied on site, prior to the structure being permanently weatherproof. It is not applicable for tinting pastes that are not ready for use as coating.
It is mainly aimed at determining emission data in indoor air for the purpose of voluntary labelling of products but may also be used for CE marking and associated Attestation of Conformity in the case of products that are covered by the construction products directive.

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Frequently Asked Questions

CEN/TC 139/WG 11 is a Working Group within the European Committee for Standardization (CEN). It is named "Sampling, conditioning and testing of paints and coatings according to the needs of CEN/TC 351/WG 2, Indoor Air." and is responsible for: The Working Group is assigned to examine which standards are necessary for the definition of specific conditions for vertical tests that are specific for testing of paints (covering e.g. sampling, conditioning and application rate) with respect to the horizontal test methods that are currently developed by CEN/TC 351/WG 2, Construction products: Assessment of release of dangerous substances - Indoor Air. As a result of this examination proposals for New Work Items will be expected. This committee has published 2 standards.

CEN/TC 139/WG 11 develops CEN standards in the area of Information technology. The scope of work includes: The Working Group is assigned to examine which standards are necessary for the definition of specific conditions for vertical tests that are specific for testing of paints (covering e.g. sampling, conditioning and application rate) with respect to the horizontal test methods that are currently developed by CEN/TC 351/WG 2, Construction products: Assessment of release of dangerous substances - Indoor Air. As a result of this examination proposals for New Work Items will be expected. Currently, there are 2 published standards from this working group.

The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.

A Working Group in CEN is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.