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FAQ Tera environnement

What is ambient-air analysis and why is it important?

Ambient-air, or outdoor-air, analysis consists of measuring atmospheric pollutant concentrations in the outdoor environment. These measurements are essential for assessing the quality of the air...

How is a stack-emission measurement campaign carried out with TERA Environnement?

TERA Environnement supplies all sampling media required for the campaign (filters, canisters, tubes, impingers, DNPH cartridges, etc.) and performs the laboratory analyses. For VOC measurements under...

Which compounds does TERA Environnement analyze in stack emissions?

TERA Environnement covers a very broad range of compounds in stack emissions: VOCs (more than 500 compounds); acid gases and amines (H2S, NH3, HCl, HF, SO2, NOx, Cl2, Br2, etc.); aldehydes...

What is Annex III of the French Order of 2 February 1998?

Annex III of the French Order of February 2 1998 lists substances that are highly toxic to the aquatic environment and may be present in atmospheric emissions from facilities classified for...

Why carry out stack-emission air measurements?

Industrial emissions are governed by European Directive 2010/75/EU on industrial emissions (IED). Classified installations for environmental protection (ICPE) subject to authorization must monitor...

What does material labelling under the French Order of 19 April 2011 mean?

The French Order of 19 April 2011 requires manufacturers and importers of construction and decoration materials to label their products according to their level of volatile-substance emissions. The...

How does TERA Environnement identify sources of indoor-air contamination?

TERA Environnement offers two complementary approaches. The first uses passive badges placed directly on the surface of an emitting material to measure formaldehyde and total VOCs in situ and...

Can TERA Environnement support building certification projects?

Yes. TERA Environnement supports clients seeking environmental building certifications such as HQE (Haute Qualité Environnementale), BREEAM, INTAIRIEUR®, WELL and LEED. The laboratory supplies...

Which buildings are subject to mandatory IAQ monitoring in France?

Since the revised scheme introduced under the 4th French National Health and Environment Plan (PNSE 4, 2021-2025) came into force on January 1, 2023, public-access buildings such as schools,...

Which indoor-air pollutants does TERA Environnement analyze?

TERA Environnement offers analysis of a very broad range of indoor-air pollutants: more than 500 volatile organic compounds (VOCs), including BTEX, chlorinated VOCs, mercaptans, aliphatic and...

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