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Remediation

Legislative compliance. Part II A of the Environmental Protection Act 1990LAs duty to inspect and identify contaminated landSpecial sitesEAs regulatory duties. Acid Tar Lagoons - introduction. Acid tars are waste residue of petrochemical processes - a complex mixture of hydrocarbon, sulphuric

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Remediation

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    1. Remediation Acid tar lagoons: risks and sustainable remediation in an urban context Simon Talbot

    2. Legislative compliance Part II A of the Environmental Protection Act 1990 LAs duty to inspect and identify contaminated land Special sites EAs regulatory duties

    6. Is a site “Statutory Contaminated Land”? Development of conceptual model Hazard identification Risk estimation Risk evaluation Yes, then site remediation

    16. Stakeholders- internal In the know but divorced from full effects Site owner/s Local Authority. Environment Agency Health protection agency/Primary care trust Health and safety officers Restoration consultants Restoration contractors Researchers

    17. Stakeholder- external Subjected to effects but invariably not fully informed and with reduced influence Local community Local politicians Wider community Media

    18. Risk assessed versus risk perceived Public (External) perception of risk at odds with professional (Internal) Over-estimation of risk- fright factors Underestimation of risk- familiarity

    21. Risk communication- why Public have a legal right to know Familiarity lowers perception of danger and unfamiliarity increases perception of danger Public participation in remediation process (Ĺrhus Convention)

    22. Risk communication- how Overcome low trust in agencies Informed Inclusive Transparent Avoid rhetoric Avoid alarm

    23. Integrating technical and socio-economic issues- risk assessment Site specific Precautionary principle Protect public from acute risk Warn public of chronic risk

    24. Integrating technical and socio-economic issues - remediation strategies Remediation process impacts on the public Plan for current and future end uses

    25. Conclusions Appreciation and understanding of risk is increasing Sustainable remediation acceptable to all stakeholders requires a multi-disciplinary approach

    26. Acknowledgements Funders EPSRC Environment Agency Various Acid Tar Lagoon Site Owners

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