Back in 2015, the EFSA PPR panel published an opinion on the risk assessment for benthic organisms potentially exposed to plant protection products in sediment (find a summary of the key points here). At the upcoming SETAC conference in Dublin (May 2020), 5 years on from the publication of the EFSA PPR opinion, it is planned to have a session that reviews the current status of regulatory risk assessment for the sediment compartment, including for PPPs. The session will aim to 1) discuss the challenges and data gaps that result from lower tier methods used in regulatory risk assessments for sediment and comparing approaches across regulatory frameworks, including PPPs; 2) examine higher tier exposure estimation approaches that could be adopted to address these challenges (e.g. modelling additional environmental fate processes, taking account of spatial datasets and modelling approaches); 3) discuss higher tier ecotoxicology testing options for refining sediment risk assessments, such as modified exposure studies that better reflect the predicted exposure pathways.
We encourage the submission of abstracts from across all regulatory areas (PPP, biocide, chemicals etc) and sectors (industry, consultancy, government and academia) to ensure that this session achieves a sufficient number of abstracts to be held at SETAC Dublin in May 2020.
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