Industries
Studies and measurements of ambient air quality
ICPE legislation requires certain industrial activities to carry out an impact study in order to characterize an initial state (interpretation of the state of the environment or IEM) or to assess the impact of pollution on the population (study of health risks or ERS). It also requires certain industrial activities during the operating phase to carry out spot measurement or environmental monitoring campaigns, as part of their operating permit decrees.
In this context, Airea has been designing and carrying out ambient air measurement campaigns for many pollutants for the past 20 years :
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Suspended particulates (PM₂₅, PM₁₀, PM₁₀₀...)
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Specific compounds in particulate matter (heavy metals, PCDD/F, PAHs...)
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Chemical pollutants (NO₂, SO₂, benzene, VOCs, NH₃, H₂S...)
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Dust fallout (total and dry) by gauge (Owen, Hibernia...) or Diem plate.
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Specific compounds in atmospheric deposits (heavy metals, dioxins and furans, PAHs...)
In addition, Airea can deploy a local meteorological station to measure the main parameters : temperature, rainfall, wind direction and speed (ultrasonic sensor), relative humidity and atmospheric pressure.
Odor studies and measurements
Odors can constitute atmospheric pollution if they cause excessive olfactory nuisance (article L. 220-2 of the French Environment Code). They are caused by odorous chemical compounds (individually or in complex mixtures). These odorous compounds are generally classified into three main families :
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Sulfur compounds (hydrogen sulfide, mercaptans, etc.)
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Nitrogen compounds (ammonia, amines...)
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Oxygen compounds (organic acids, alcohols, ethers...)
Depending on the context (preparation of a "Dossier de Demande d'Autorisation Environnementale" DDAE, complaints from local residents, voluntary approach, etc.), Airea offers standardized measurements or approaches adapted to characterize odors emitted by industrial facilities (methanizer, composting plant, sugar refinery, etc.), measure their impact on the environment or estimate the annoyance expressed by neighboring populations :
Measurement of odor intensities by nose jury according to standard NF X43-103
Odor intensity measurements are carried out directly in the environment of the industrial site by a panel of qualified and trained noses. They are based on an olfactory equivalence technique: the nose panel compares the intensity of local odors to an odor reference scale (6 dilution levels of a standard compound such as n-butanol or pyridine).
These measurements can be carried out as part of an initial assessment prior to setting up an emissive facility (waste storage center, methanization unit, composting platform, wastewater treatment plant, etc.) or as part of an impact assessment for a facility in operation (monitoring as part of a prefectoral decree, application for authorization to extend a site, etc.).
Measurement of odor flows at source according to standard NF EN 13725
The measurements are carried out directly on the industrial site by two experienced engineers, using a “lung” box associated with a flow chamber.
They enable the evaluation of surface emissions (waste storage cells, composting windrows, leachate basins, etc.) and channeled emissions (process pipes, flares, etc.) from the industrial installation.
The results of the measurements then make it possible to carry out, as part of an impact study, a modeling of the dispersion of odors and an evaluation of the exposure of local residents.
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Airea carries out occupational exposure assessments and monitoring for specific cases (excluding decree 2009-1570), with control of regulatory values (VLEP-8h, VLCT). Thanks to its dedicated instrumentation, Rincent Air carries out sampling in compliance with the protocols defined by INRS and other international reference organizations (NIOSH, OSHA, IRSST, etc.).
Our engineers also design and carry out measurement campaigns adapted to the evaluation of air pollution abatement in innovative industrial processes. They can also intervene and support manufacturers in the context of CSR policies, voluntary initiatives or complaints from local residents.
Airea has hundreds of references and operates in a wide range of industrial sectors :
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