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A regional approach for the calculation of characteristic toxicity factorsusing the USEtox model

Type
Articles dans des revues avec comité de lecture
Author
BELYANOVSKAYA, Alexandra
164351 Institut de Mécanique et d'Ingénierie de Bordeaux [I2M]
310284 Tomsk Polytechnic University [Russie] [UPT]
LARATTE, Bertrand
164351 Institut de Mécanique et d'Ingénierie de Bordeaux [I2M]
BARANOVSKAYA, Natalia
310284 Tomsk Polytechnic University [Russie] [UPT]
PERRY, Nicolas
164351 Institut de Mécanique et d'Ingénierie de Bordeaux [I2M]

URI
http://hdl.handle.net/10985/14038
DOI
https://doi.org/10.1016/j.scitotenv.2018.11.169
Date
2019
Journal
Science of the total environment

Abstract

The lack of the spatial coverage as one of the main limitations of the Life-cycle impact assessment (LCIA) models leads to disagreement between their results. The USEtox model is only model that provides 8 continental and 17 subcontinental zones but does not consider the wind and water transfers affected areas around the source of pollution. Current investigation proposes the way to reduce this limitation by using the results of chemical analysis (instrumental neutron activation analysis “INAA”) of pork meat as a regional indicator of anthropogenic influence. The concentration coefficient of Cr by replacing the Bioaccumulation factor (BAF) is extrapolated into the calculation of Exposure factor (XF) to modify Characterization factor (CF). Impacted and clean areas of Tomsk district (Russia) placed around Northern industrial hub (Seversk city) are studied. Neither area is located directly in the industrial hub, but the impacted area is under an anthropogenic influence due to air and water transfer of pollution. Results of our investigation present the difference between results of own investigation and default values of USEtox. Probably the model can minimize the impact because of lack of experiment data in the database. The database can be extended more with other analytical results for wide range of metals and geographical locations.

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