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Case Studies overview - general conclusions Eva Brorström-Lundén

Case Studies overview - general conclusions Eva Brorström-Lundén IVL Swedish Environmental Research Institute www.socopse.eu. Case studies - General conclusions.

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Case Studies overview - general conclusions Eva Brorström-Lundén

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  1. Case Studies overview - general conclusions Eva Brorström-Lundén IVL Swedish Environmental Research Institute www.socopse.eu

  2. Case studies - General conclusions • The DSS and its associated reports and tools have been used in the five case studies which have very different characteristics (size, compounds in focus, administrative structure, availability of information) • Experiences will form the basis of the SOCOPSE Synthesis report

  3. Case studies General conclusions based on the results from the different cases • The DSS application fits well with the work with the river basin management plan (RBMP) as required by the EU-WFD • Strong interaction with stakeholders (authorities) was important in the DSS process and helped to better understand the existing and future problems and to define the main challenges for the catchment.

  4. Case studies - General conclusions • A general lack of information for present emissions has been identified Factsheets and Substance reports were useful for identification of sources and emission control measures • The lack of consistent data have implication on the evaluation of the measures to reduce emissions • Expert judgment and models can be used as complement to assess the change of discharge loads from the sources

  5. Case studies - General conclusions • A lack of data on environmental concentrations, to be used to assess the water quality for the selected priority substances, was identified -Monitoring is often carried out in campaigns and in research projects - If data is available there is often poor temporal and spatial resolution -A critical point is the data quality -All data (e.g. from research community) is not available to authorities

  6. Case studies - General conclusions • Modeling combined with available emission and monitoring data can be used to check consistency (mass balance) and identify missing sources and/or potential sites where EQS are exceeded Fugacity based models e.g. have successfully been used in two of the case studies, Vantaa River and VAH

  7. Case studies - General conclusions • A need was identified to use the DSS system for "new" emerging substances

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