Risk Assessment for Biocides

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• Input parameter for ERA
• Emission pathways into environment
• Definitions (emission, exposure and effect assessment, risk characterisation)

• ECHA guidance documents (Vol. IV, Part A & Parts B+C)
  • Information requirements (Part A)
  • Introduction in Parts B+C (i.e. input parameter and PEC-calculations)
• TAB August 2018 (agreed changes or amendments for the ERA)
• ESDs for the different Product Types (PT)

• Introduction of EUSES2.1.2
• EXCEL-sheets as an alternative
• Training Session: EUSES2.1.2
• Introduction of EUSES2.1.2 and creation of training file

• Definition of intended uses
• Life cycle stages to be assessed: formulation, application, service-life
• Selection of the relevant emission scenarios
• Tonnage based/consumption based approaches

Training session: emission estimation

• Example calculation with EXCEL-sheets or EUSES2.1.2 for 2-3 scenarios in different PTs (e.g. disinfectants: PT1-4, preservatives: PT6-10 and insecticide: PT18 or repellent: PT19)

• Emission via sewage treatment plan (STP)
  • Calculation of PEC-values for STP, surface water, sediment, soil
• Release to soil:
  • After application of slurry/manure on grassland or arable land (e.g. PT3/PT18)
  • After leaching from treated surface (e.g. PT7-PT10)
• Calculation of PEC for groundwater

Training session: exposure estimation

Example calculations with EUSES2.1.2 and EXCEL-sheets

Effect assessment and Risk characterisation

• Effect assessment: PNEC derivation with EUSES and equilibrium partitioning method for sediment and soil
• Environmental risk characterisation