EPA toxicity risk assessments in crisis
نویسندگان
چکیده
منابع مشابه
U.S. EPA Authority to Use Cumulative Risk Assessments in Environmental Decision-Making
Conventionally, in its decision-making, the U.S. EPA has evaluated the effects and risks associated with a single pollutant in a single exposure medium. In reality, people are exposed to mixtures of pollutants or to the same pollutant through a variety of media, including the air, water, and food. It is now more recognized than before that environmental exposure to pollutants occurs via multipl...
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Testing must characterize cognitive lapses and mood changes in healthy individuals faced with relevant operational stressors, including chemical exposures and interactions with other stressors, and should be based on understanding effects of final common pathways in brain physiology (e.g. hypoor hyperglycemia, and hypoxia, oxidative stress, and inflammation). Stressors may affect a common hiera...
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Nanotechnology has grown from a scientific interest to a major industry with both commodity and specialty nanomaterial exposure to global populations and ecosystems. Sub-micron materials are currently used in a wide variety of consumer products and in clinical trials as drug delivery carriers and imaging agents. Due to the expected growth in this field and the increasing public exposure to nano...
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ژورنال
عنوان ژورنال: Environmental Science & Technology
سال: 2008
ISSN: 0013-936X,1520-5851
DOI: 10.1021/es087163o