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During the last months, smell’s annoyances have caused an increasing interest in Gijon’s citizenship in order to attain a better life quality regarding the air we breathe. Within this context, dynamic olfactometry has appeared as the most useful tool to identify and quantify these nuisances, allowing the definition of the most suitable technical solutions to soothe these types of affections.
SGS, international consultancy company expert in olfactometry and air quality research, has been appointed to perform the olfactometry research to be taken in “EDAR La Reguerona”, Empresa Municipal de Aguas (EMA) de Gijón’s sewage waters treatment facilities.
For the last months, it has been detected in the area an increasing smell annoyance, having been experienced for several years and reported in Principado de Asturias’ media. Neighbour’s associations in the area have informed about their situation to Concejalía de Medio Ambiente that has seek the technical expertise of SGS. These researches are being performed in order to assess the current state of the research area in relation to odour contamination, monitoring EDAR’s odour focuses and modelling emission dispersion to obtain an odour map that assess the environment’s malady level.
Additionally, an inmission sampling campaign will be performed to assure the model’s results as well as obtaining empirical data in the recipient’s nearby areas.
The main areas of activity included by the service provided by SGS are as follows:
Emission and inmission sampling. Olfactometric and physical-chemical samples research. Modelling of emissions and isadours map.   Odour dispersion is subjected to random factors such as climate conditions, synergy among the different emissions focus, the nature of the emitter’s focus (constant, intermittent, seasonal), etc.
On the other hand, these emissions’ synergic effects in their inmission point can cause disguising phenomena and / or creation of new compounds that impede to colligate the chemical speciation with the results of the dynamic olfatometry.
SGS has the ultimate state-of-the-art equipment for the development of the proposed tasks: specific sampling devices, chemical enabling systems and ultimate generation olfatometer.
In the following images we show SGS’ sampling equipment:
Figure 1: SGS’ sampling equipment observes all sampling standards defined in USEPA’s TO-14/15 regulation and is accredited in ISO 17025 to do so.
Figura 2: SGS’ Sampling equipment (left) and olfatometric analysis (right)