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  • 21-December-2017

    English

    Safety Assessment of Transgenic Organisms in the Environment, Volume 7 - OECD Consensus Documents

    Volume 7 of the Series compiles the OECD consensus documents for use in environmental risk assessment of transgenic organisms (biosafety) issued in 2016 and 2017. The first two chapters cover the biology of plant species (sorghum and tomato) and include elements of taxonomy, centres of origin, reproductive biology, genetics, outcrossing, crop production and cultivation practices, interactions with other organisms, main pests and pathogens, and biotechnological developments. The third chapter relates to Atlantic salmon, the first OECD biosafety publication to address an animal species. It describes the biology and ecology of wild salmon (including classification, life stages, reproduction, centres of origin, geographical distribution, population dynamics, interaction with other organisms) and of the farmed form (domestication, aquaculture rearing practices, biocontainment, interactions with the external environment). It also provides elements of genetics, research on genetically engineered salmon and resources for its risk assessment.
  • 6-December-2017

    English

    BioTrack Product Database

    This OECD database allows regulatory officials and stakeholders to share information on products derived from the use of modern biotechnology, as well as some products with novel traits acquired by the use of conventional breeding or mutagenesis, that have been approved for commercial application in at least one country, in terms of food, feed or environmental safety.

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  • 9-October-2017

    English

    Test No. 247: Bumblebee, Acute Oral Toxicity Test

    This test guideline is a laboratory test method, designed to assess the acute oral toxicity of pesticides and other chemicals to adult worker bumblebees. Adult worker bumblebees are exposed to 50 % (w/v) aqueous sucrose solution containing the test chemical. The test duration is at least 48 h. Mortality is recorded daily and compared with control values. Results are analysed in order to calculate the LD50 and NOED, if possible, at 24 h & 48 h and furthermore at 72 h & 96 h in case the study is prolonged.
  • 9-October-2017

    English

    Test No. 244: Protozoan Activated Sludge Inhibition Test

    This Test Guideline describes a method to assess effects of a test chemical on the phagocytotic activity of activated sludge containing protozoan organisms under defined conditions in the presence of different concentrations of the test chemical. The principle of biological sewage-treatment plants (STP) is to transform the organic matter of incoming waste-water in microbial biomass, which in turn is separated from the liquid yielding a purified effluent. The purpose of the test is to provide a means to record effects of test chemicals on ciliated protozoa in sewage treatment plants, which due to their grazing on bacteria considerably contribute to the functioning of STPs.
  • 9-October-2017

    English

    Test No. 318: Dispersion Stability of Nanomaterials in Simulated Environmental Media

    This test guideline describes a test procedure to gain information on dispersion stability of manufactured nanomaterials in simulated environmental media. The main purpose of this guideline is to assess the ability of a nanomaterial to attain a colloidal dispersion and to conserve this dispersion under environmentally relevant conditions. The test procedure involves a dispersion of the nanomaterial with the aid of a calibrated sonication procedure and the determination of the mass concentration of the nanomaterial in a set of test vials while the particles undergo homoagglomeration and settling in environments of different hydrochemistry
  • 9-October-2017

    English

    Test No. 245: Honey Bee (Apis Mellifera L.), Chronic Oral Toxicity Test (10-Day Feeding)

    This Test Guideline describes a chronic oral toxicity test on adult worker honey bees under laboratory conditions over an exposure period of 10 days. Young bees (max. 2 days old) are exposed to 50 % (w/v) aqueous sucrose solution containing the test chemical by continuous and ad libitum feeding over a period of 10 days. Mortality and behavioural abnormalities are observed and recorded daily during the 10 day test period. The chronic effects of the test chemical are evaluated by comparing the results of the test chemical treated group to those of the respective control group. The test is designed for the determination of the following endpoints  LC50 (median Lethal Concentration) and the LDD50 (median Lethal Dietary Dose) values after 10 days of exposure, and NOEC (No Observed Effect Concentration) and NOEDD (No Observed Effect Dietary Dose).  
  • 9-October-2017

    English

    Test No. 246: Bumblebee, Acute Contact Toxicity Test

    This test guideline is a laboratory test method, designed to assess the acute contact toxicity of pesticides and other chemicals to adult worker bumblebees. Adult worker bumblebees are exposed to the test chemical dissolved in an appropriate carrier, by direct application to the dorsal thorax (droplet). The test duration is at least 48 h. Mortality is recorded daily and compared with control values. Results are analysed in order to calculate the LD50 and NOED, if possible, at 24 h & 48 h and furthermore at 72 h & 96 h in case the study is prolonged.
  • 9-August-2017

    English

    Portal on Per and Poly Fluorinated Chemicals

    Per- and poly-fluorinated alkyl substances (PFASs) are substances that have many manufacturing and industrial applications because they impart useful properties (fire resistance and oil, stain, grease and water repellency). Some of the properties are associated with environmental and human health concerns. To support a global transition towards safer alternatives, this Portal facilitates the exchange of information.

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  • 11-July-2017

    English

    Guidance Document on the Reporting of Defined Approaches and Individual Information Sources to be Used within Integrated Approaches to Testing and Assessment (IATA) for Skin Sensitisation

    With a view to assisting the evaluation of integrated approaches to testing and assessment (IATA) in regulatory decision-making within OECD Member Countries, this guidance document provides guidance on the reporting of defined approaches to testing and assessment in the area of skin sensitisation using the adverse outcome pathway (AOP) as a conceptual framework. Annex 1 (page 25) outlines twelve illustrative case studies for skin sensitisation and Annex 2 (page 279) lists information sources used within the case studies.
  • 13-April-2017

    English

    Guidance Document on the Reporting of Defined Approaches to be Used Within Integrated Approaches to Testing and Assessment

    With a view to assisting the evaluation of integrated approaches to testing and assessment (IATA) in regulatory decision-making within OECD Member Countries, this guidance document provides a set of principles for reporting defined approaches to testing and assessment that can be used as one of the components within IATA. Templates are also provided to enable a structured approach to their documentation in order to facilitate their evaluation. A defined approach to testing and assessment consists of a fixed data interpretation procedure (DIP) applied to data generated with a defined set of information sources to derive a result that can either be used on its own, or together with other information sources within an IATA, to satisfy a specific regulatory need. Thus, a defined approach to testing and assessment can be used to support the hazard identification, hazard characterisation and/or safety assessment of chemicals. This guidance is intended to be used alongside similar guidance aimed at harmonising the reporting of other IATA components such as QSARs, grouping and read-across strategies, and non-guideline in vitro methods.
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