{"id":4649,"date":"2021-02-05T08:15:41","date_gmt":"2021-02-05T08:15:41","guid":{"rendered":"https:\/\/lynxee.consulting\/?p=4649"},"modified":"2023-01-26T09:07:58","modified_gmt":"2023-01-26T09:07:58","slug":"europe-guidance-on-aged-sorption-studies-adopted","status":"publish","type":"post","link":"https:\/\/lynxee.consulting\/en\/europe-guidance-on-aged-sorption-studies-adopted\/","title":{"rendered":"EUROPE: Guidance on Aged Sorption Studies Adopted"},"content":{"rendered":"<p style=\"text-align: justify\">The <b>final version<\/b> of the guidance document on aged sorption studies of plant protection products in soil was endorsed at the Standing Committee on Plants, Animals, Food and Feed (SCoPAFF meeting) of 25-26 January 2021.<\/p>\n<p style=\"text-align: justify\">The final version integrates the revisions suggested by the EFSA PPR panel (<a href=\"https:\/\/efsa.onlinelibrary.wiley.com\/doi\/epdf\/10.2903\/j.efsa.2015.4175\" target=\"_blank\" rel=\"noopener noreferrer\">EFSA Journal 2015;13(7):4175<\/a> and <a href=\"https:\/\/efsa.onlinelibrary.wiley.com\/doi\/epdf\/10.2903\/j.efsa.2018.5382\" target=\"_blank\" rel=\"noopener noreferrer\">EFSA Journal 2018; 16(8);5382<\/a>). Additional comments from Member States made at SCoPAFF meetings between May 2019 and January 2021 will be considered in a later revision of the document.<\/p>\n<p style=\"text-align: justify\">The guidance document was drafted in order to provide a framework on how to <b>conduct<\/b> and <b>interpret experimental studies<\/b> aiming to demonstrate an <b>increase in pesticide sorption with time<\/b> and how to <b>integrate the results in regulatory higher tier risk assessments<\/b>. This framework was built on the basis of a literature review, experimental work and extensive modelling.<\/p>\n<p style=\"text-align: justify\">Only aged sorption as investigated in <b>laboratory studies<\/b> is under the scope of this document. Field studies being much more complex, further development and tests with real world data would be needed.<\/p>\n<p style=\"text-align: justify\">The guidance document addresses the following topics:<\/p>\n<ul>\n<li style=\"text-align: justify\">Modelling of aged sorption and conceptual definition of equilibrium sorption;<\/li>\n<li style=\"text-align: justify\">Experiments to derive aged sorption parameters;<\/li>\n<li style=\"text-align: justify\">Fitting of kinetic models to data from aged sorption studies;<\/li>\n<li style=\"text-align: justify\">Aged sorption in the tiered pesticide leaching assessment;<\/li>\n<li style=\"text-align: justify\">Special consideration for metabolite.<\/li>\n<\/ul>\n<p style=\"text-align: justify\">This new guidance document will <b>apply from 1 April 2021<\/b> (date of dossier submission).<\/p>\n<p>&nbsp;<\/p>\n<p><b>To download:\u00a0<\/b><\/p>\n<p style=\"text-align: justify\"><a href=\"https:\/\/ec.europa.eu\/food\/sites\/food\/files\/plant\/docs\/pesticides_ppp_app-proc_guide_fate_aged-sorption.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Guidance on how aged sorption studies for pesticides should be conducted, analysed and used in regulatory assessments<\/a> &#8211; SANTE\/12586\/2020\u2013REV 0 &#8211; 26 January 2021<\/p>\n<p>&nbsp;<\/p>\n<p><b>Lynxee consulting<\/b>\u2019s team is at your disposal to answer your questions.<\/p>\n<p><b>Contact us!<\/b> <a href=\"https:\/\/lynxee.consulting\/en\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/lynxee.consulting\/en\/contact\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h6>Photo credit: JerzyGorecki\/pixabay<\/h6>\n","protected":false},"excerpt":{"rendered":"<p>The final version of the guidance document on aged sorption studies of plant protection products in soil was endorsed at the Standing Committee on Plants, Animals,<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":7,"featured_media":4647,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,36],"tags":[164,58,60,332],"class_list":["post-4649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-regulation","tag-document-guide-en","tag-guidance-document","tag-soil","tag-sorption-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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