This Guidance Document describes how applicants could demonstrate that a proposed new pool and spa disinfectant would satisfy the regulator’s efficacy criteria. While meeting the performance characteristics can be expected to satisfy the regulator’s efficacy requirements, the regulator may choose to consider alternative scientific information and argument aimed at satisfying the efficacy criteria.

The new Test Guidelines are: TG 457 and TG 460. The updated Test Guidelines are TG 109, TG 114, TG 229, TG 211, TG 305, TG 455, and TG 405. The corrected Test Guideline is TG 443

The aquatic life benchmarks (for freshwater species) are based on toxicity values reviewed by EPA and used in the Agency's most recent risk assessments developed as part of the decision-making process for pesticide registration. Each Aquatic Life Benchmark is based on the most sensitive, scientifically acceptable toxicity endpoint available for a given taxon of all scientifically acceptable toxicity data available to EPA.

This document presents the outcomes of the 3rd OECD Biopesticide Seminar, held in 2011, that focused on the topic of “botanicals” (also known as plant extracts). The Seminar reviewed a number of scientific and regulatory issues related to the “characterisation and analyses of botanicals for the use in plant protection products”.

US Environmental Protection Agency derived the Human health benchmarks for pesticides by applying the health effects data from pesticide registrations to the typical methods used for developing drinking water health advisories. It was developed to enable states, water systems and the public to better determine whether the detection of a pesticide in drinking water or source waters for drinking water may indicate a potential health risk.

This document provides guidance on conducting laboratory tests to determine and assess the efficacy of test substances and/or the effectiveness of test products used as baits for the control of cockroach species in indoor environments.

This is a guidance on sample preparation and dosimetry, to which special attention should be paid when testing nanomaterials for human health and environmental safety endpoints.

This is the report of the workshop on Natural-hazard triggered technological accidents (Natech) that took place 23-25 May 2012. It investigated the specific elements of the prevention of, preparedness for, and response to chemical accidents caused by natural hazard or natural disaster.

This document provides guidance for performing an exposure assessment based on environmental monitoring data.It covers topics such as environmental levels and distribution of contaminants, ways of using monitoring data in exposure assessments for differing purposes, the collection of data, quality of monitoring activities, as well as several examples of data compilation in member countries and their use in exposure assessment.

This guidance document intends to provide an insight into which pieces of information that are necessary to identify and document an adverse outcome pathway (AOP) and how to present them. The AOP concept has been developed as a means of providing transparent mechanistic justification and weight-of-evidence to reduce uncertainty in the predictions for complex toxicological endpoints.

This document provides guidance on pesticide residue studies and describes differences in OECD countries in livestock feeding practices and diet composition. The data obtained from these studies allow quantifying the transfer of residues from feedstuff to animal and establishing maximum limits which ensure that these residues do not pose unacceptable risks for consumers.

This biocide document provides guidance on the conduct of laboratory and field tests aimed to assess the efficacy of anti-ants baits for indoor use. A bait contains one or more insecticidal active ingredients combined with food for garden ants.

Four new tutorials are available that provide illustrated examples for the use of the functionalities of the Query tool , the AOP workflow for Skin Sensitization, the information form the ECHA CHEM database and the capability to analyse tautomeric structures. The examples cover both human health (skin sensitisation) and environmental (acute aquatic toxicity to fish) endpoints.

On 26 July 2013, the OECD Council adopted three new, six updated and one corrected OECD Test Guidelines for the testing of chemicals, as well as a new Introduction to the Section 5, Part A on Pesticides Residue Chemistry.

The Australian Pesticides and Veterinary Medicines Authority (APVMA) database of completed chemical reviews including (in some cases) detailed risk assessment reports addressing human health and the environment. A review, initiated from new concerns, may lead to the reconsideration of the registration of agricultural and veterinary chemicals in the marketplace if potential risks to safety and performance have been identified.

This document supplies basic information useful in the risk and safety assessment of food and feed using new varieties of oyster mushroom: compositional considerations, key constituents (nutrients, anti-nutrients and toxicants). It is issued in the Novel Food and Feed Safety Series.

This Bio-pesticides seminar report presents an overview of similarities and differences between species and strains within the Trichoderma genus. This fungus illustrates many general issues related to the use of micro-organisms for pest management.

This document includes the conclusions and recommendations resulting from a workshop that addressed the ecotoxicology and environmental fate of manufactured nanomaterials, and in particular the applicability of existing OECD Test Guidelines (TG) related to these topics. A number of TG developments are underway at OECD as a follow-up to these recommendations.

Safeguarding people’s health and the environment through responsible marketing and use of pesticides in agriculture relies on regulation, and compliance with this regulation. OECD have launched an online resource to help regulators in different countries share their experiences and best practice and to act as a portal for information on pesticide compliance and enforcement.

The OECD has published the second edition of the guidance on grouping of chemicals. This edition has been augmented with experience and examples encountered in the OECD Cooperative Chemicals Assessment Programme. It also introduces new or revised guidance on elaborating the analogue and category approach, quantitative and qualitative read-across, justifying read-across, and using bioprofiling results for grouping chemicals.

This website gives information about the regulatory approaches adopted by OECD member countries to mitigate pesticide risks to insect pollinators. Following a survey of OECD member countries, it was concluded that mitigation of risks to insect pollinators is important to all its member countries, and that mitigation is a critical component of balancing the benefits of plant protection products with potential risks to insect pollinators.

A report of the 2013 joint OECD/Swedish Chemicals Agency/European Commission workshop on the assessment and management of risks of microbial pesticides that resulted in 20 recommendations for approaches that could be taken now and areas for follow-up work to be undertaken by OECD or Member countries.

This OECD monograph demonstrates how a chemical hazard assessment that considers and ranks all available relevant information - a so-called weight of evidence approach - can be constructed to conclude on a particular hazard endpoint for a chemical, in this case, skin sensitisation for 4-isopropylaniline.

This report includes the conclusions and recommendation of an expert workshop on Physical-Chemical Properties of Manufactured Nanomaterials and Test Guidelines organized by OECD’s Working Party on Manufactured Nanomaterials. The workshop addressed issues relevant to the physical-chemical properties of manufactured nanomaterials from a regulatory perspective point with a view to the need for new or adapted test guidelines.

This guidance document proposes an integrated approach on testing and assessment for skin corrosion and irritation, in view of replacing the "testing and evaluation strategy" provided in the supplement to OECD TG404 (to be updated), provides information on key performance characteristics of each information source comprising the IATA, and guidance on how to integrate information for decision making for classification and labeling.

This scoping document brings forward relevant in vitro and ex vivo thyroid assays to the attention of OECD member countries, and provide recommendations for their further development/use, and also, to identify aspects of the thyroid signalling pathway that are not covered and would require further attention

OECD has published a report of a survey that provides information and recommendations on how to deal with stocks of “obsolete” pesticides in OECD member (and partner) countries. Such pesticides’ obsolescence can arise for a number of reasons including product deterioration, product de-registration, and product revision.

This report of a survey collates member countries’ approaches to manage and mitigate the risk of pesticide use near residential areas.

This advisory document provides guidance on how pathology peer reviews should be planned, conducted and reported within the context of OECD Good Laboratory Practice.

On 26 September 2014, the OECD Council adopted three new, five updated and one corrected OECD Test Guidelines for the testing of chemicals.

The OECD Advisory Group on Endocrine Disrupters Testing and Assessment met on 16-17 October 2014 in Paris to discuss the development and update of Test Guidelines and related documents for endocrine disrupters testing and assessment.

A cooperative global approach to the regulation of agricultural pesticides and sustainable pest management. Pesticides are widely used in agriculture and have considerable benefits by contributing to a sustainable production of food and feed. If used improperly or in an inappropriate manner, they also can present unacceptable risks to human and animal health and to the environment.

OECD countries have developed PRTR system to track releases and transfers of potentially harmful chemicals. To improve PRTR system, OECD have analysed common elements (pollutants, sectors) in different PRTR systems, mainly focus on institutional arrangement. This serves as a common framework for different PRTR system, and supporting materials for a country that intends to develop or update its PRTR.

This guidance is intended to harmonise the way non-guideline in vitro test methods are described. This should in future facilitate an assessment of the relevance of test methods for biological activities and responses of interest, of the quality of data produced, irrespective of whether these tests are based on manual protocols or assay protocols adapted for use on automated platforms or high-throughput screening systems (HTS).

An addendum to the OECD Guiding Principles on Chemical Accident Prevention, Preparedness and Response to address Natural Hazards Triggering Technological Accidents (Natech) Risk Management has just been published. The addendum consists of a number of amendments to the Guiding Principles and the addition of a new Chapter to provide more detailed guidance on Natech prevention, preparedness and response.

The OECD has just published two new Test Guidelines on human health hazard endpoint skin sensitisation. Skin sensitisation refers to an allergic response following skin contact with the tested chemical, as defined by the United Nations Globally Harmonized System of Classification and Labelling of Chemicals (UN GHS).

The OECD has published guidance to facilitate the ecological risk assessment of organometallic and organic metal salt substances. A strategy is presented based on key steps that first consider the fate of these substances in the environment, the identification of moieties of concern, and subsequently the selection of an appropriate path forward to either assess the inorganic moiety and/or the individual substance.

A set of new and updated OECD Test Guidelines was published at the end of July 2015 to test chemicals and identify hazards such as endocrine disruption, serious eye damage, genotoxicity, skin irritation or corrosion.

The OECD has published fundamental and guiding principles to facilitate the application of QSAR methods to the risk assessment of chemicals. The main focus is on the critical role of mechanistic consideration in improving various (Q)SAR approaches and possible integrative approaches of combining chemoinformatics and bioinformatics.

The OECD Guidelines for the Testing of Chemicals is a collection of about 150 of the most relevant internationally agreed testing methods used by government, industry and independent laboratories to identify and characterise potential hazards of chemicals. Every year new and updated Test Guidelines are adopted to meet the regulatory needs in OECD member countries. The most recent Test Guidelines were adopted in July 2016.

The OECD releases a Guidance on Change of Ownership in Hazardous Facilities. This Guidance is a concise document providing a framework to assist stakeholders to identify, understand and minimise the risks during and after a change of ownership at a hazardous facility, and help make the change of ownership a better informed process.

GIVIMP aims to reduce the uncertainties in cell and tissue-based in vitro method derived predictions by applying good scientific, technical and quality practices from method development to implementation for regulatory use. Test method developers and test guideline users will find best practices for designing guideline in vitro methods, carrying out safety tests and assuring quality and scientific integrity of the resulting data

This guidance document was originally published in 2012 and updated in 2018 to reflect new and updated OECD test guidelines, as well as reflect on scientific advances in the use of test methods and assessment of the endocrine activity of chemicals. The document is intended to provide guidance for evaluating chemical using standardised test guidelines.

This document aims to assist government and industry assessors involved in the registration of microbial pesticides in the determination of whether microbial pesticides could be associated with known or as yet uncharacterised ‘new’ secondary metabolites. A background document that was also published as Annex to the main document aims to provide clarity on issues and terminology related to microbial secondary metabolites.

This document outlines various approaches and methodologies for the assessment of risks from combined exposures to multiple chemicals. The document draws from approaches and experience in the regulatory context, and presents elements to consider in the assessment.

Today, OECD Council adopted the Recommendation on Countering the Illegal Trade of Pesticides to strengthen cooperation between countries and inspectors and identify illegal pesticides throughout their lifecycle with a Best Practice Guidance.

This report outlines the customisation opportunities for IUCLID version 6. It also gives an overview of what IUCLID offers to regulatory bodies and industry as a key application to record, store, maintain and exchange data on chemicals. IUCLID is used in a variety of countries and regulatory contexts, therefore the report describes to which extent it is customisable to facilitate the management of chemical data across these contexts.

On Thursday 26 September 2019, the OECD discussed "Finding Alternatives to Per- and Polyfluoroalkyl Substances of Concern: A Difficult and Continuing Challenge" with the participation of W.L. Gore & Associates, Inc. Presenters shared efforts, successes and challenges in eliminating per and polyfluorinated chemicals of environmental concern from the life cycle of consumer products.

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