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Integrated management at the Bitterfeld megasite GICON Process engineering Safety engineering

Integrated management at the Bitterfeld megasite GICON Process engineering Safety engineering Environmental management Großmann Ingenieur Consult GmbH Tiergartenstraße 48 01219 Dresden – Germany Phone: +49 (0)351 478 78 0 Fax: +49 (0)351 478 78 78 www.gicon.de.

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Integrated management at the Bitterfeld megasite GICON Process engineering Safety engineering

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  1. Integrated managementat the Bitterfeld megasite GICON Process engineering Safety engineering Environmental management Großmann Ingenieur Consult GmbHTiergartenstraße 4801219 Dresden – GermanyPhone: +49 (0)351 478 78 0Fax: +49 (0)351 478 78 78 www.gicon.de DG Environment – Groundwater working group Bruxelles June 7th 2005

  2. soil and groundwater contamination due to chemical production over decades Abandoned opencast mines raising of groundwater table after closure of lignite mining pits City of Bitterfeld Town of Greppin Industrial area soil and groundwater contamination due to inadequate depositing of industrial wastes Industrial landfills Consequences of the historical site use

  3. Source: MDSE Mining pit redevelopment Groundwater remediation (ÖGP) Improvement of infrastructure BMF FuB MW MRLU MRLU MW c c control boards StuBA LA Geol LaVw LAF Federal institution c RP supreme authority LRA c SAK Goitsche LMBV MDSE P-D CPG competent authority c concept developer competent authority and project leader c c c municipalities project manager engineer consultant contractors inhabitants contractors investors Legend: c =authority = finance =contract BMF:Federal Ministry of Finance FuB: Manager of Privatisation Contracts on behalf of Federation stakeholder MRLU:State Ministry of Environment LA Geol:Landesamt für Geologie und Bergwesen board MW:State Ministry of Economy SAK:special expert group for groundwater problemsby Goitzsche refilling StuBA: Tax and budget committee LaVw: Landesverwaltungsamt, Dessau LRA: Landratsamt Stakeholder organisation in Bitterfeld

  4. Conceptual Model

  5. Wolfen Wolfen Greppin Greppin Groundwater flow direction Bitterfeld Bitterfeld Quaternary aquifer Tertiary aquifer Contamination situation – quaternary / tertiary aquifer Risk management zone

  6. Initial situation 1990 • Problem: • Large-scale soil and groundwater contamination • No conceptual approach • Objectives: • Site re-use, new investments • Maintenance of existing industrial areas • Conclusion: • Maintenance of industrial site as base for a sustainable site remediation • Application of integrated management approach

  7. Impact from soil contamination on surface receptors ? ? 1 ? 1 Conceptual approach to megasite management (1) 1. Crucial point: Assessing the impact of the source in the soil on receptors other than groundwater

  8. Impact from soil contamination on groundwater ? 2 ? 2 Separation of soil and groundwater management Conceptual approach to megasite management (2) 2. Crucial point: Assessing the impact of the source in the soil on the already contaminated groundwater (plume)

  9. Remediation Framework Concept Groundwaterfor the Bitterfeld megasite Phase 3 and 4 Source and plumedecontamination measures Phase 1 and 2 Down gradient and up gradienthydraulic safety measures

  10. The industrial site Bitterfeld before and today About 10.000 jobs; Operation of selected components of the existing chemical industry (before 1990) was continued New industries was established on-sitee.g.: Akzo Nobel Chemicals GmbH Ausimont GmbH Bayer Bitterfeld GmbHBNT Chemicals GmbH Degussa AG Heraeus GmbH Hüls Indulor Chemie GmbH Miltitz Aromatics GmbHQcells GmbH Sidra Wasserchemie GmbH UmesterungsWerke GmbH

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