Abstract
GeoEnviron is a database system designed for mapping of potential contaminated sites. This system was used for mapping of sites in two selected pilot areas in Slovakia in a Slovak-Danish pilot project. The pilot areas were chosen to meet criteria that ensure typical potential pollutant sources for Slovakia to be represented as well as different type of geology, hydrogeology and surface water concerns. Data were collected from various authorities, owners of the sites and site visits. Data on 385 sites are gathered in the GeoEnviron database including chemical plants, oil storage, waste deposits etc. Every site is described with address, potential pollution sources, ground water vulnerability, distance to houses and surface water, geographic co-ordinates, scanned maps etc. A preliminary risk assessment including a ranking of potential risk to land use, ground water and surface water is prepared in the two pilot areas. The ranking is prepared according to a slightly modified Danish method for prioritisation of polluted point sources. The ranking is based on the data within the GeoEnviron database as well as prepared maps related to surface water and ground water management and the most hazardous chemical from each site. The main objective of the project have been to provide a good overview of potential contaminated sites; a tool for prioritisation of clean up projects and sustainable development of land use as well as water resource management. Development & Application of Computer Techniques to Environmental Studies VII, C.A. Brebbia, P. Zannetti & G.Ibarra-Berastegi (Editors) © 2000 WIT Press, www.witpress.com, ISBN 1-85312-819-8 346 Computer Techniques in Environmental Studies
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