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Acrobat (5.61 MB/PDF) Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Kiel Management of megasite remediation after the Ki el Schwerin Schw erin Hamburg Hamburg economic upheaval in Eastern Germany Bremen Bremen Berlin Hannover Pot sd am Berlin Magdeburg Düsseldorf Dresden Er f u r t Hannover Pot sd am Wiesbaden – The Bitterfeld case –Magdeburg Mainz – The Bitterfeld case – Saarbrücken St ut t gar t München Düsseldorf Dresden Er f u r t Presenting: Wiesbaden Mainz Administrative, organisational and financial issues M. Keil, LAF Saarbrücken Conceptual approach J. Grossmann, GICON St ut t gar t Integration of research results München H. Weiss, UFZ Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Economical consequences of the collapse of the former GDR – From planned economy to market economy – • As result of the political and economical collapse of the former GDR, the central-planned economy came to an endInvestment restraint • Market-economy had to be established • Enterprisescontaminated in public ownership had tositesbe transferred to private ownership • Private investors for former state-owned companies had to be found Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Estimated remediation costs for contaminated sites in the former GDR 60 50 40 30 Billion € 20 10 0 1990 1995 2000 Reduction of the estimated remediation costs due to the conceptual approach since the early 90s. Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Remediation costs for contaminated sites in the State of Saxony-Anhalt 3 2,5 2 1,5 Billion € 1 0,5 0 Saxony-Anhalt spent until 2005 Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Remediation costs – obstacle for privatisation ? Responsibility for process of privatisation public institutions Combination: privatisation and management of contaminated sites Main aspects of the approach financial organisational Partial or complete Establishment of adequate exemption of investors from management structures liability for residual pollution for site remediation Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle The Bitterfeld case – The European megasite Mining activities Kiel since 18th century, Schwerin increase in the Hamburg 19th century Bremen considerable Berlin End of 19th changes in the century: groundwater Hannover Magdeburg Pot sd am first regime Bitterfeld-Wolf en settlements of chemical industry, Düsseldorf Dresden mainly Er f u r t chloro chemistry Later: Wiesbaden km 01additional00 Mainz production of Saarbrücken aluminium, pesticides, St ut t gar t fertilizer, München tensides etc. in total 5000 products Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle EconomicEconomic collapsecollapse ofof thethe regionregion • Stop of coal production • Break-down of chlorine chemistry • 70 % of the jobs lost Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Consequences of the site use Ecological problems: • Contaminated groundwater • Contaminated soil • Raising groundwater table Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Political decision: Continuous site use instead of demolition Parallel activities: • Remediation • Search for investors • Industrial production Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Need for parallel consideration of various interests • Private investors • Federal instances • Affected public • Recultivation of mining areas • Communal instances • Groundwater management • Regional instances Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Stakeholder organisation in Bitterfeld Source: MDSE Mining pit redevelopment Groundwater remediation (ÖGP) Improvement of infrastructure BMF FuB MW MRLU MRLU c MW c StuBA control boards LA LaVw LAF Federal Geol c institution RP supreme c LRA authority SAK competent LMBV MDSE c P-D CPG Goitsche authority competent concept authority developer and project c leader municipalities c c project manager engineer contractors inhabitants contractors investors consultant Legend: =authority = finance 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 MW: State Ministry of Economy SAK: special expert group for groundwater problems board LaVw: Landesverwaltungsamt, Dessau by Goitzsche refilling LRA: Landratsamt StuBA: Tax and budget committee c =contract Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Administrative and organisational structures in Saxony-Anhalt today – considering remediation of contaminated sites – • 2000/2001 transfer of complete responsibility to the State Saxony-Anhalt • Payment of a lump sum of 1 Bill. € for remediation • Establishment of special organisation LAF (State Authority for exemption from residual pollution liability) Mission: To overcome contamination as obstacle for investment Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Management of contaminated megasites Financial issues √√ Administrative and organisational issues √√ ConceptualConceptual approachapproach neededneeded Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Problems at the Bitterfeld megasite raising of groundwater soil and table after groundwater closure of contamination lignite mining due to pits chemical production Abandoned over decades opencast mines City of Greppin City of Bitterfeld Industrial area soil and groundwater contamination due to inadequate depositing of Industrial landfills industrial wastes Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Contamination situation – quaternary / tertiary aquifer > 100 mill. m3 contaminated groundwater WolfenWolfen Greppin Groundwater flow direction Bitterfeld Quaternary Tertiary aquifer aquifer Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle 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 • only „living“ sites provide financial means for long-term remediation Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Conceptual approach to megasite management (1) 1. Crucial point: Assessing the impact of the source in the soil on other recepetors than groundwater ? Impact from soil ? 1 contamination on 1 surface receptors ? Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Conceptual approach to megasite management (2) 2. Crucial point: Assessing the impact of the source in the soil on the already contaminated groundwater (plume) 2 ? Impact from soil 2 contamination on groundwater ? Separation of soil and groundwater management Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Separation of groundwater and soil management Large scale contaminated groundwater acts as independent source Decoupling of Groundwater groundwater and Soil soil management Downgradient Risks posed to safety or other receptors / yes remediation Considerable impact no measure on groundwater remediation or site re-use? Decontamination Measures not measures required / not proportionate Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Remediation Framework Concept Groundwater for the Bitterfeld megasite Phase 1 and 2 Down gradient and Up gradient Hydraulic safety measures Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Remediation Framework Concept Groundwater for the Bitterfeld megasite Phase 3 and 4 Source and plume Decontami- nation measures Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle Sequence “Bayer” Down gradient hydraulic safety measures Sequence ”Greppin” protected groundwater body (preconditions for separation of soil and groundwater Sequence “Bitterfeld” management achieved) Landesanstalt für Centre for Environmental Altlastenfreistellung Großmann Ingenieur Consult GmbH Dresden Research Leipzig-Halle GroundwaterGroundwater treatmenttreatment inin BitterfeldBitterfeld Landesanstalt für
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