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Technical Visit to a Chlorinated-Solvent Contaminated Site

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The site is located in a industrial area within the Province of Milan. A former chemical facility, mainly involved in the production of synthetic dyes, was the most likely cause of a chlorinated solvent (1,1,2,2-tetrachloroethane and trichloroethene) plume which extends over a very large area. The plume possibly originated from the leakage of a "storage basin" where exhausted chlorinated solvents were discharged during at least 50 years of industrial activity.

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During the visit, the remedial activities currently in progress at the site and managed in cooperation between local administration (Comune di Rho, Provincia di Milano, Regione Lombardia) and accademic institutions (University of Rome "La Sapienza", University of Milano) will be illustrated to the participants. These include an in-situ bioremediation research pilot plant designed for the treatment of the source zone containing residual chlorinated solvent DNAPL pools, and a downgradient full-scale hydraulic barrier coupled to a P&T system. Advanced groundwater monitoring facilities, already installed at the site (e.g., multilevel sampling systems for determination of vertical stratification of groundwater contamination) will also be illustrated. In the last two years the site has been already used as reference site in the framework of the bilateral Trans-IT project (Germany and Italy) for field demonstrations of advanced characterization technologies and will be one of the reference sites in the forthcoming ModelPROBE project (FP7).

Location: very close to the Stella Polare Conference center (around 20 min by bus)

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