Search Results - "Weyers, Arnd"

Assessing the impact of different assumptions on the size of a Mixture Assessment Factor (MAF) for chemical mixtures in surface waters using data from three recent monitoring studies by Price, Paul, Rodea-Palomares, Ismael, Weyers, Arnd

“…Mixture Assessment Factors (MAFs) have been proposed in the European Union (EU) as a rapid and simple way of protecting aquatic organisms from the combined…”
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Risk from unintentional environmental mixtures in EU surface waters is dominated by a limited number of substances by Rodea-Palomares, Ismael, Gao, Zhenglei, Weyers, Arnd, Ebeling, Markus

“…Unintentional environmental mixtures happen when multiple chemicals co-occur in the environment. A generic mixture assessment factor (MAF), has been proposed…”
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Analysis and management of herbicidal mixtures in a high‐intensity agricultural landscape in Belgium

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Acute toxicity of pesticide mixtures to honey bees is generally additive, and well predicted by Concentration Addition by Taenzler, Verena, Weyers, Arnd, Maus, Christian, Ebeling, Markus, Levine, Steven, Cabrera, Ana, Schmehl, Daniel, Gao, Zhenglei, Rodea-Palomares, Ismael

“…Understanding the frequency of non-additive effects of pesticides (synergism and antagonism) is important in the context of risk assessment. The goal of this…”
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Predicted Dermal and Dietary Exposure of Bats to Pesticides by Brooks, Amy C., Nopper, Joachim H., Blakey, Alex, Ebeling, Markus, Foudoulakis, Manousos, Weyers, Arnd

“…Wild birds and mammals that feed in agricultural habitats are potentially exposed to pesticides through various routes. The European Food Safety Authority…”
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Analysis and management of herbicidal mixtures in a high‐intensity agricultural landscape in Belgium by Schuster, Hanna S., Taylor, Nadine S., Sur, Robin, Weyers, Arnd

“…Water bodies located in anthropogenically influenced environments, such as agricultural landscapes, may be exposed to different chemicals simultaneously or…”
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Occurrence of common frog (Rana temporaria) and common toad (Bufo bufo) adults and metamorphs in agricultural fields in Germany: Potential for exposure to plant protection products by Taylor, Nadine S., Sadowski, Jan, Schuster, Hanna S., Weyers, Arnd, Weltje, Lennart

“…To characterize the potential for exposure of amphibian terrestrial life stages to plant protection products (PPP), we studied the occurrence and habitat use…”
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Narrow pH Range of Surface Water Bodies Receiving Pesticide Input in Europe by Bundschuh, Mirco, Weyers, Arnd, Ebeling, Markus, Elsaesser, David, Schulz, Ralf

“…Fate and toxicity of the active ingredients (AI’s) of plant protection products in surface waters is often influenced by pH. Although a general range of pH…”
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Critical Review of Read‐Across Potential in Testing for Endocrine‐Related Effects in Vertebrate Ecological Receptors by McArdle, Margaret E., Freeman, Elaine L., Staveley, Jane P., Ortego, Lisa S., Coady, Katherine K., Weltje, Lennart, Weyers, Arnd, Wheeler, James R., Bone, Audrey J.

“…Recent regulatory testing programs have been designed to evaluate whether a chemical has the potential to interact with the endocrine system and could cause…”
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Current testing programs for pesticides adequately capture endocrine activity and adversity for protection of vertebrate wildlife by Staveley, Jane P., Freeman, Elaine L., McArdle, Margaret E., Ortego, Lisa S., Coady, Katherine K., Bone, Audrey, Lagadic, Laurent, Weltje, Lennart, Weyers, Arnd, Wheeler, James R.

“…The toxicity and ecotoxicity of pesticide active ingredients are evaluated by a number of standardized test methods using vertebrate animals. These standard…”
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Refinement of the ECETOC approach to identify endocrine disrupting properties of chemicals in ecotoxicology by Weltje, Lennart, Wheeler, James R., Weyers, Arnd, Galay-Burgos, Malyka

“…To use and implement an assessment scheme for the evaluation of endocrine disrupting properties of chemicals in ecotoxicology, the types of effect need to be…”
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Risk assessment of endocrine active chemicals: Identifying chemicals of regulatory concern by Bars, Remi, Fegert, Ivana, Gross, Melanie, Lewis, Dick, Weltje, Lennart, Weyers, Arnd, Wheeler, James R., Galay-Burgos, Malyka

“…► Endocrine disruption criteria combining regulatory toxicity and mechanistic studies. ► These combined adverse effects with mode of action of toxicity. ►…”
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Science based guidance for the assessment of endocrine disrupting properties of chemicals by Bars, Remi, Broeckaert, Fabrice, Fegert, Ivana, Gross, Melanie, Hallmark, Nina, Kedwards, Tim, Lewis, Dick, O’Hagan, Sue, Panter, Grace H., Weltje, Lennart, Weyers, Arnd, Wheeler, James R., Galay-Burgos, Malyka

“…The European legislation on plant protection products (Regulation (EC) No. 1107/2009) and biocides (Directive 98/8/EC), as well as the regulation concerning…”
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Corrigendum to “Science based guidance for the assessment of endocrine disrupting properties of chemicals” [Regul. Toxicol. Pharmacol. 59 (2011) 37–46] by Bars, Remi, Broeckaert, Fabrice, Fegert, Ivana, Gross, Melanie, Hallmark, Nina, Kedwards, Tim, Lewis, Dick, O’Hagan, Sue, Panter, Grace H., Weltje, Lennart, Weyers, Arnd, Wheeler, James R., Galay-Burgos, Malyka

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Algal growth inhibition test: does shading of coloured substances really matter? by Cleuvers, Michael, Weyers, Arnd

“…Coloured substances are often assumed to behave differently in the algal growth inhibition test due to shading of the algae. We have investigated…”
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Algal growth inhibition: effect of the choice of growth rate or biomass as endpoint on the classification and labelling of new substances notified in the EU by Weyers, Arnd, Vollmer, Gerald

“…From the complete base set notifications of new substances currently available, we have investigated what effects the choice of using growth rate or biomass in…”
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Use of terrestrial model ecosystem data in environmental risk assessment for industrial chemicals, biocides and plant protection products in the EU by Weyers, Arnd, Sokull-Klüttgen, Birgit, Knacker, Thomas, Martin, Sabine, Van Gestel, Cornelis A M

“…Risk assessment approaches within the regulatory framework of the European Union (EU) based on single species tests were compared to those using data from…”
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Acute toxicity data: A comprehensive comparison of results of fish, daphnia, and algae tests with new substances notified in the European Union by Weyers, Arnd, Sokull-Klüttgen, Birgit, Baraibar-Fentanes, Joaquin, Vollmer, Gerald

“…Acute toxicity data from the New Chemicals Database of the European Chemicals Bureau were compared for fish, Daphnia, and algae. The algal growth inhibition…”
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Ecotoxicological characterisation and classification of existing chemicals. Examples from the ICCA HPV initiative and comparison with other existing chemicals by Licht, Oliver, Weyers, Arnd, Nagel, Roland

“…In 1998, the International Council of Chemical Associations (ICCA) launched a global initiative to investigate more than 1,000 HPV chemicals (High Production…”
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Ecotoxicological Characterisation and Classification of Existing Chemicals: Examples from the ICCA HPV Initiative and comparison with other existing chemicals by Licht, O, Weyers, A, Nagel, R

“…Goal, Scope and Background. In 1998, the International Council of Chemical Associations (ICCA) launched a global initiative to investigate more than 1,000 HPV…”
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