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INTEGRATED STUDY OF THE MIGRATION OF TRACE METAL POLLUTANTS IN GROUNDWATER.

Objective

TO DEVELOP A METHODOLOGY WHICH WILL BE USED AS A STRATEGY FOR IMPLEMENTING REAL CASE STUDIES OF TRACE METAL POLLUTANT MOBILITY IN GROUNDWATER.

THE AIM OF THIS PROPOSAL IS TO DEVELOP A METHODOLOGY, BASED ON 3 MAIN OPERATIONAL TOOLS OF INVESTIGATION, WHICH WILL SERVE AS A STRATEGY FOR IMPLEMENTING REAL CASE STUDIES OF TRACE METAL POLLUTANT MOBILITY IN GROUNDWATER. THE THREE TOOLS OF INVESTIGATION ARE :
- A METHOD, AS GENERAL AS POSSIBLE, TO IDENTIFY AND QUANTIFY THE KEY PROCESSES OF SOIL/WATER INTERACTION;
- MODELS CAPABLE OF USING THE DATA ACQUIRED FOR THE PREDICTION OF THE BEHAVIOUR OF POLLUTANTS UNDER VARIOUS SITUATIONS;
- ANALOG SUBSTANCES, WEAKLY TOXIC AND POORLY RETAINED BUT PRESENTING SURFACE INTERACTIONS OF THE SAME NATURE AS THE POLLUTANT TO BE INVESTIGATED. THESE ANALOGS COULD THUS BE STUDIED IN FIELD EXPERIMENTS AND THEY WOULD PERMIT THE SCALING UP OF LABORATORY INVESTIGATIONS OF TOXIC ELEMENTS TO FIELD CONDITIONS.

GENERAL PROGRAMME
THE DEVELOPMENT OF THIS METHODOLOGY WILL BE CARRIED OUT USING CHROMIUM WITH POSSIBLE EXTENSION TO OTHER HEAVY METALS SUCH AS CD AND HG.
1. GEOCHEMICAL AND HYDROLOGICAL CHARACTERIZATION OF FIELD SITES.
2.1. LABORATORY EXPERIMENTS (BATCH AND COLUMN)
2.2. IDENTIFICATION OF ANALOG SUBSTANCES AND COMPARISON IN THE LABORATORY OF THEIR TRANSFER WITH THAT OF CR
3. CONCEPTION OF FIELD EXPERIMENTS
4. FIELD EXPERIMENTS ON AT LEAST TWO SITES AND MODEL VALIDATION
5. PRESENTATION OF MODEL CAPABILITIES (VARIOUS SCENARIOS).

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Address
Rue Grandville 1 Ecole N.sup.indus.chimiques
54001 Nancy
France

Participants (7)

Bureau de Recherches Géologiques et Minières (BRGM)
France
Address
Avenue De Concyr
45060 Orléans
CCR
Address

Ispra
CEA/CEN. GRENOBLE
Address

R.margrita
Castaha SpA
Italy
Address

00100 Roma
Forschungszentrum Karlsruhe Technik und Umwelt GmbH
Germany
Address

76021 Karlsruhe
KUL
Belgium
Address

Leuven
UNIVERSITAET STUTTGART
Germany
Address
Holzgartenstrasse 17
70049 Stuttgart