All Knowledge & Insights By Date

On June 30, 2025, the Organisation for Economic Co-operation and Development (OECD) published a report entitled 2D Titanium Carbide MXenes: Case Study Report on Advanced Materials. Within OECD’s Working Party on Manufactured Nanomaterials (WPMN), the Steering Group on Advanced Materials conducted a case study on the potential issues of 2D titanium carbide MXenes. The report describes MXenes as “a group of [two-dimensional (2D)] advanced materials composed of transition metal carbides or...

On June 20, 2025, the Organisation for Economic Co-operation and Development (OECD) published a report entitled Per- and Polyfluoroalkyl Substances (PFAS) and Alternatives in Hydraulic Oils and Lubricants: Report on Commercial Availability and Current Uses. The report examines the commercial availability and current uses of PFAS and non-PFAS alternatives in lubricants and hydraulic oils within the framework of the Global PFAS Group. OECD notes that it considered publicly available information...

The Organisation for Economic Co-operation and Development (OECD) has published the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials between July 2023 and June 2024 -- Tour de Table (Tour de Table). Below are highlights on international developments from the Tour de Table: Canada continues with the risk assessments of zinc oxide and titanium dioxide at the nanoscale that are in commerce in Canada, to evaluate their potential for environmental and...

The Organisation for Economic Co-operation and Development (OECD) has published the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials between July 2023 and June 2024 -- Tour de Table (Tour de Table). The Tour de Table lists U.S. developments on the human health and environmental safety of nanomaterials. Risk assessment decisions, including the type of nanomaterials assessed, testing recommended, and outcomes of the assessment include: The U.S....

On September 12, 2024, the Organisation for Economic Co-operation and Development (OECD) published a report entitled Synthesis report on understanding Perfluoropolyethers (PFPEs) and their life cycle. OECD states that the report presents a synthesis of publicly available information on PFPEs with the aim of elucidating the identities of PFPEs on the global market and analyzing their life cycle. OECD notes that this includes their production and use, presence of other per- and polyfluoroalkyl...

The Organisation for Economic Co-operation and Development (OECD) published the report of the first Working Party on Manufactured Nanomaterials (WPMN) workshop on NanoCarriers. The report states that NanoCarriers (nano-scaled structures loaded with an active substance) “promise benefits for various fields of applications but they also present great diversity in terms of chemical composition, structural features, and applications.” The June 14-15, 2023, workshop included governmental...

The Malta Initiative is conducting a survey to collect input on priorities where the Organization for Economic Cooperation and Development (OECD) Test Guidelines (TG) and Guidance Documents (GD) need actions to make them applicable to nanomaterials and other advanced materials. The survey includes a preliminary list of suggested topics. Respondents can choose specific topics upon which to comment. The survey will close January 12, 2024. According to the NanoSafety Cluster (NSC), the Malta...

The Organization for Economic Cooperation and Development (OECD) has published a draft report entitled Draft Report on Per- and Polyfluoroalkyl Substances and Alternatives in Coatings, Paints and Varnishes (CPVs): Hazard Profile. OECD intends the draft report to complement its 2022 report, Per- and Polyfluoroalkyl Substances and Alternatives in Coatings, Paints and Varnishes (CPVs), by compiling information on the hazard profile of the fluoropolymers, short-chain PFAS, and non-fluorinated...

NanoHarmony announced on November 10, 2023, the release of the NanoHarmony OECD TG/GD Process Mentor, an interactive web-based tool to guide stakeholders through the development process of Organization for Economic Cooperation and Development (OECD) Test Guidelines (TG) and Guidance Documents (GD). NanoHarmony states that it developed the NanoHarmony OECD TG/GD Process Mentor to highlight the involvement of key institutions in the OECD Test Guidelines Programme, and their incentives to take part...

The Organization for Economic Cooperation and Development has posted two new reports in its Series on the Safety of Manufactured Nanomaterials: Advanced Materials Assessment Schemes HARMLESS -- OECD Working Party on Manufactured Nanomaterials (WPMN) Workshop Report (No. 107): The abstract states that to move forward in the assessment of currently available assessment schemes and evaluate their applicability as foresight tools to anticipate issues with the safety and sustainability of advanced...

NanoHarmony published on October 13, 2023, a white paper entitled From Science to Regulation: The NanoHarmony White Paper on Test Guideline Development. NanoHarmony states that the Organization for Economic Cooperation and Development’s (OECD) Test Guidelines (TG) Programme helps to develop harmonized agreed methods that can be used by OECD member countries to implement their regulatory regimes. According to NanoHarmony, for regulations to be effective and for manufacturers to be able to...

By Lynn L. Bergeson and Carla N. Hutton   On July 27, 2023, the Organization for Economic Cooperation and Development (OECD) published a new document in its Series on Harmonization of Regulatory Oversight in Biotechnology, Safety Assessment of Transgenic Organisms in the Environment, Volume 10: OECD Consensus Document on Environmental Considerations for the Release of Transgenic Plants. The document addresses environmental risk/safety assessment at a broader level than previous consensus...

On September 20, 2023, the Organization for Economic Cooperation and Development (OECD) will hold a webinar on Test Guideline No. 126: Determination of the Hydrophobicity Index of Nanomaterials Through an Affinity Measurement. The webinar will present the method to determine the hydrophobicity index (Hy) of nanomaterials, through an affinity measurement, described in the OECD Test Guideline (TG) No. 126. According to OECD, webinar attendees will be able to learn the use and limitation...

The Organization for Economic Cooperation and Development (OECD) announced on July 4, 2023, that it published a number of new, updated, and corrected Test Guidelines (TG), including the following for nanomaterials: TG No. 126: Determination of the Hydrophobicity Index of Nanomaterials through an Affinity Measurement: This new TG describes a method to determine the hydrophobicity index (Hy) of nanomaterials, through an affinity measurement. OECD states that hydrophobicity is defined as...

By Lynn L. Bergeson and Carla N. Hutton   The July 2023 issue of the Organization for Economic Cooperation and Development’s (OECD) Chemical Safety and Biosafety Progress Report includes a summary of the April 2023 meeting of the Party on the Harmonization of Regulatory Oversight in Biotechnology (WP-HROB). During the meeting, WP-HROB agreed on next steps for preparing several consensus documents: “Environmental Considerations for Risk/Safety Assessment for the Release of...

POSTED IN INTERNATIONAL, LEGAL/REGULATORY ISSUES, OECD The Organization for Cooperation and Development (OECD) has published the latest edition of the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials — Tour de Table. The Tour de Table compiles information provided by delegations on the occasion of the 22nd meeting of the OECD Working Party on Manufactured Nanomaterials (WPMN) in June 2022. Below are highlights on...

The Organization for Economic Cooperation and Development (OECD) has published the latest edition of the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials — Tour de Table. The Tour de Table compiles information provided by delegations on the occasion of the 22nd meeting of the OECD Working Party on Manufactured Nanomaterials (WPMN) in June 2022.  The Tour de Table lists U.S. developments on the human health and...

The Organization for Economic Cooperation and Development (OECD) held a webinar on February 7, 2023, to present the methods described in Test Guideline (TG) No. 125 to determine the size and size distributions of nanomaterial particles and fibers spanning from one nanometer (nm) to 1,000 nm. It also presented the use and limitations of this TG, as well as of the validation exercise that was done to support its development. OECD organized the webinar to increase awareness of the newly adopted...

On February 15, 2023, the Environmental Coalition on Standards (ECOS) and the Bund für Umwelt und Naturschutz Deutschland (BUND), non-governmental organizations in Europe working on both standardization and nanotechnologies, announced the release of a report entitled “Making nano- and advanced materials safe for all: State of play of discussions at the OECD.” According to the organizations, the use of nanomaterials remains underregulated in the European Union (EU). The press...

The Organization for Economic Cooperation and Development (OECD) will hold a webinar on February 7, 2023, on Test Guideline (TG) No. 125: Nanomaterial Particle Size and Size Distribution of Nanomaterials. OECD states that it will present the methods described in TG No. 125 to determine the size and size distributions of nanomaterial particles and fibers spanning from one nanometer (nm) to 1,000 nm. During the webinar, attendees will be able to learn the use and limitation of the...