Refine search
Results 1-10 of 13
La normalisation en qualite de l' air: la situation en France.
1992
Mienville P.
La surveillance de la qualite de l' air en Republique Federale d' Allemagne.
1987
Lahmann E.
Diffuse urban pollution increases metal tolerance of natural heterotrophic biofilms
2012
Fechner, L.C. | Gourlay-Francé, C. | Bourgeault, A. | Tusseau-Vuillemin, M.H. | AgroParisTech | Hydrosystèmes et Bioprocédés (UR HBAN) ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Laboratoire d’Oéanographie Spatiale [Plouzané] (LOS) ; Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)
[Departement_IRSTEA]Eaux [TR1_IRSTEA]BELCA | This study is a first attempt to investigate the impact of urban contamination on metal tolerance of heterotrophic river biofilms using a short-term test based on β-glucosidase activity. Tolerance levels to Cu, Cd, Zn, Ni and Pb were evaluated for biofilms collected at three sites along an urban gradient in the Seine river (France). Metallic pollution increased along the river, but concentrations remained low compared to environmental quality standards. Biofilm metal tolerance increased downstream from the urban area. Multivariate analysis confirmed the correlation between tolerance and contamination and between multi-metallic and physico-chemical gradients. Therefore, tolerance levels have to be interpreted in relation to the whole chemical and physical characteristics and not solely metal exposure. We conclude that community tolerance is a sensitive biological response to urban pressure and that mixtures of contaminants at levels lower than quality standards might have a significant impact on periphytic communities.
Show more [+] Less [-]Water quality standards and properties of bottling and mineral waters
2001
Stojiljkovic, D. (Poljoprivredni fakultet, Novi Sad (Yugoslavia). Institut za uredjenje voda)
Water quality is a main precondition for use in water supply and bottling. In this paper, a review of Yugoslavian standard referring to maximum allowed concentration of some components, as well as a review of some components contents in prohibited concentrations in Yugoslav and foreign bottling drinking and mineral waters are presented.
Show more [+] Less [-]ISMAP: an integrated approach to the management of agricultural pollution-major orientations after two years
1993
Gatti, S. | Grech, G. | Vandevelde, T. | Jasjulke, E. | Cunge, J. | Usseglio-Polatera, J.M. (A.I. TEC, Milan (Italy))
Measurements of odours by sensory analysis or olfactometry
2001
Gouronnec, A.M. (Commissariat a l'Energie Atomique, Gif sur Yvette (France). Institut de Protection et de Surete Nucleaire)
L'olfactometrie ou la mesure des odeurs par analyse sensorielle permet de quantifier les odeurs. Les methodes disponibles donnent acces a la mesure de trois grandeurs: la concentration d'odeur, l'intensite de l'odeur et la gene olfactive. Dans les deux premiers cas, la mesure fait appel a un jury d'experts preselectionnes et dans le troisieme cas, la methode fait appel a un jury de population locale. Il est ainsi possible, non seulement de caracteriser les sources d'odeur et de les comparer entre elles, mais aussi de caracteriser l'environnement d'une source d'odeur
Show more [+] Less [-][Air quality standards: the case of France]
1992
Mienville, P. (Association Francaise de Normalisation, Paris (France))
Influence of the atmospheric conductivity on the ozone exposure of plants under ambient conditions: considerations for establishing ozone standards to protect vegetation
1994
Grunhage, L. | Jager, H.J. (Institute for Plant Ecology, Justus-Liebig-University, D-35392 Giessen, Heinrich-Buff-Ring 38 (Germany))
To clear the air over Europe. A critical examination of the present guidelines and standards for air quality, with proposals for their revision
1995
Nilsson, M.
[ISO-standards: constraints or options?]
1999
Kruse, M.A. | Kirkegaard, C. | Faarbaek, A. | Samsoee-Petersen, L.