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815.
titre
Evaluating the Performance of Machine Learning Approaches to Predict the Microbial Quality of Surface Waters and to Optimize the Sampling Effort
auteur
Manel Naloufi, Françoise S Lucas, Sami Souihi, Pierre Servais, Aurélie Janne, Thiago Wanderley Matos de Abreu
article
, 2021, 13, ⟨10.3390/w13182457⟩
titre
Heavy Metal Accumulation and Changes in Soil Enzymes Activities and Bacterial Functional Diversity under Long-Term Treated Wastewater Irrigation in East Central Region of Tunisia (Monastir Governorate)
auteur
Marouane Mkhinini, Iteb Boughattas, Vanessa Alphonse, Alexandre Livet, Stéphanie Gıustı-Mıller, Mohamed Bannı, Noureddine Bousserrhıne
article
, 2020, 235, pp.106150. ⟨10.1016/j.agwat.2020.106150⟩
titre
Effect of Aloe Vera Wastes on Physico-Chemical Properties and Microbiological Activity in Soils
auteur
Fatma Lanouar, Iteb Boughattas, Marouene Mkhinini, Vanessa Alphonse, Stephanie Gustier-Muller, Alex Livet, Mohamed Banni, Nourreddine Bousserhine
article
, 2018, 3 (4), pp.1292--1304. ⟨10.22161/ijeab/3.4.21⟩
titre
Influence of Ecological Restoration on Mercury Mobility and Microbial Activities on Former Guyanese Mining Sites
auteur
Ewan Couic, Vanessa Alphonse, Alexandre Livet, Stéphanie Giusti-Miller, Noureddine Bousserrhine
article
, 2021, 11 (5), pp.2231. ⟨10.3390/app11052231⟩
titre
Use of Earthworms Eisenia Andrei on the Bioremediation of Contaminated Area in North of Tunisia and Microbial Soil Enzymes as Bioindicator of Change on Heavy Metals Speciation
auteur
Iteb Boughattas, Sabrine Hattab, Vanessa Alphonse, Alexandre Livet, Stéphanie Giusti-Miller, Hamadi Boussetta, Mohamed Banni, Noureddine Bousserrhine
article
, 2019, 19 (1), pp.296--309. ⟨10.1007/s11368-018-2038-8⟩

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Séminaire d’Ute Schoknecht et Nikola Vasiljević le 7 juin 2012

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Le prochain séminaire du LEESU aura lieu le jeudi 7 juin mai 2012 à l’École des Ponts ParisTech (plan d’accès), à 10h en salle V002. Il sera constitué de deux interventions :

  • Ute Schoknechts (BAM Federal Institute for Materials Research and Testing) : "Estimation of leaching from materials treated with biocidal products". Le résumé de la présentation est : Marketing of biocidal products within Europe is regulated by the Biocidal Products Directive (98/8/EC). This regulation requires the authorization of biocidal active substances within Europe and national authorization procedures for biocidal products in the member states. Harmonised data requirements and evaluation guidelines apply for both procedures. One of the basic requirements to obtain authorizations is that acceptable risks of active substances and biocidal products can be assumed for humans as well as the environment. Environmental risk assessments are based on ecotoxicological data. In addition, expected concentrations in environmental compartments have to be estimated. Currently, mainly products that already have been on the market are under evaluation. However, the assessment procedures have to be applicable also for new products, i.e. without experiences originating from service life conditions. Leaching processes have to be considered for materials that are treated with biocidal products and exposed to water contact during service life. Field studies are often used to estimate leaching of biocides. Alternatively, data from lab tests can be provided for risk assess¬ments. There are harmonized laboratory leaching tests for treated wood and coatings (CEN-TS15119 Part 1 and 2, OECD Guideline 313, OECD Guidance Document 107, EN 16105). These tests include either permanent or intermittent water contact to simulate wet and dry periods. Very often the test results describe diffusion controlled emission processes. However, the test method can influence the test results. Laboratory tests are suitable to describe accelerated leaching processes reproducibly, compare and optimize products. However, the concept to apply laboratory leaching test results for the estimation of biocide emission requires further improvement. Existing experiences show, that leaching under service life conditions is slower than expected from the laboratory tests. In addition, exposure conditions and stability of organic substances influ¬ence leaching processes. These aspects are investigated within a current project supported by the German environmental agency.

Les pdf des présentations sont disponibles en cliquant ici(il faut être en intranet pour que cela fonctionne).