Scientists review studies demonstrating differences in drug pharmacokinetics between young and elderly people, recommend use of varying uncertainty factors for acceptable daily exposure calculations due to sensitivity differences
Canada identifies four parabens for toxic substances list
Government publishes draft screening assessment of 7 parabens, identifies 4 to present danger to human health or environment at current levels of exposure; proposed risk management published; findings open for public comment until May 13, 2020
Environmental toxicity of nanomaterials
German Environment Agency releases reports on aquatic toxicity and environmental fate of nanomaterials
ECHA: Guidance on REACH registration of nanomaterials
European Chemicals Agency publishes and updates several guidance documents for REACH registration of nanomaterials
Toolbox for nanomaterial safety assessment
JRC develops inventory of tools for assessing nanomaterial safety; toolbox freely accessible on JRC’s website
Modeling nanoparticles in the environment
Dutch institute for public health and environment releases computational model to determine concentrations of nanoparticles in the environment
EU symposium: Nanomaterials in food and FCMs
EU Commission and Member States discuss nanomaterials in food and food contact materials; summary report available
Manmade vs. natural estrogens
Article in Nature Reviews highlights different effect potential of manmade vs. natural estrogens in the case of soy and bisphenol A in a study with women undergoing in vitro fertilization
Chemical migration from silicone baking materials
European Consumer Organization (BEUC) finds that chemicals of concern migrate from silicone baking molds sold in Europe, including three siloxanes classified as SVHCs; 23% of 44 products tested release chemical constituents in high (>30 mg/kg) or increasing amounts over time; BEUC calls for stricter EU rules for silicone food contact materials
Letter to the authors of BPA oral absorption study
EHP publishes a letter to Gayrard et al. and the researchers’ response, points to differences in BPA exposure throughout the body