{"id":8374,"date":"2025-06-28T14:18:57","date_gmt":"2025-06-28T14:18:57","guid":{"rendered":"https:\/\/lynxee.consulting\/?p=8374"},"modified":"2025-07-02T14:27:38","modified_gmt":"2025-07-02T14:27:38","slug":"oecd-new-updated-and-corrected-test-guidelines","status":"publish","type":"post","link":"https:\/\/lynxee.consulting\/en\/oecd-new-updated-and-corrected-test-guidelines\/","title":{"rendered":"OECD: New, updated and corrected Test Guidelines"},"content":{"rendered":"<p style=\"text-align: justify\">OECD (Organisation for Economic Co-operation and Development) has published on 25 June 2025, <a href=\"https:\/\/www.oecd.org\/en\/topics\/sub-issues\/testing-of-chemicals\/test-guidelines.html\" target=\"_blank\" rel=\"noopener\">56 new, updated and corrected test guidelines<\/a> (in english and french).<\/p>\n<p style=\"text-align: justify\">The OECD guidelines for the testing of chemicals are a unique tool for assessing the potential effects of chemicals on human health and the environment. Accepted internationally as standard methods for safety testing, the guidelines are used by professionals in industry, academia and government involved in the testing and assessment of chemicals, notably phytopharmaceuticals.<\/p>\n<p>To be noted, concerning these guidelines:<\/p>\n<ul>\n<li style=\"text-align: justify\">One new guideline, No. 254, laboratory test to assess the acute contact toxicity on Mason bees (<i>Osmia<\/i> sp.)<\/li>\n<li style=\"text-align: justify\">Some toxicity (N\u00b0 407, 408, 421, 422) and ecotoxicity\u00a0 (N\u00b0 203, 210, 236) guidelines updated to allow collection of tissue samples for \u201comics\u201d analysis<\/li>\n<li style=\"text-align: justify\">A guideline (No. 497, Defined approaches on skin sensitisation) updated to allow <i>in vitro <\/i>and <i>in chemico<\/i> methods in TG 442C, TG 442D and TG 442E to be used as alternate sources of information, and to include a new Defined Approach for the determination of point of departure for skin sensitization potential<\/li>\n<li style=\"text-align: justify\">A guideline (No. 239, Toxicity on <i>Myriophyllum spicatum<\/i>) updated to clarify analytical requirements, calculations and statistical analyses<\/li>\n<li style=\"text-align: justify\">Guidelines (No. 431, <i>In vitro<\/i> skin corrosion and 439, <i>In vitro <\/i>skin irritation) updated to remove a model which is no longer available<\/li>\n<li style=\"text-align: justify\">A guideline (No. 506, Stability of pesticide residues) updated based on experience gained in its application<\/li>\n<\/ul>\n<p style=\"text-align: justify\">These guidelines ensure that testing keeps pace with scientific progress and promote best practices in chemical testing, in line with the Replacement, Reduction and Refinement of animal experimentation (3Rs) Principles, and that data generated are covered by Mutual Acceptance across member and adhering countries.<\/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=\"http:\/\/lynxee.consulting\/en\/contact\/\" target=\"_blank\" rel=\"noopener\">http:\/\/lynxee.consulting\/en\/contact\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<h6>Photo credit: jarmoluk\/pixabay<\/h6>\n","protected":false},"excerpt":{"rendered":"<p>OECD (Organisation for Economic Co-operation and Development) has published on 25 June 2025, 56 new, updated and corrected test guidelines (in english and french). The OECD<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":14,"featured_media":8372,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,36],"tags":[503,257,612],"class_list":["post-8374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe-en","category-regulation","tag-method","tag-oecd","tag-test-guidelines"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OECD: New, updated and corrected Test Guidelines - Lynxee consulting<\/title>\n<meta name=\"description\" content=\"OECD (Organisation for Economic Co-operation and Development) has published on 25 June 2025, 56 new, updated and corrected test guidelines (in english and\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lynxee.consulting\/en\/oecd-new-updated-and-corrected-test-guidelines\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OECD: New, updated and corrected Test Guidelines - 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