Agricultural pesticide workers are not only exposed to pesticides from inhalation, but also through their skin. The dermal route of exposure to chlorpyrifos, a common agricultural pesticide, contributes substantially to workers’ total exposure, according to researchers from the Johns Hopkins Bloomberg School of Public Health and the U.S. Environmental Protection Agency (EPA), who analyzed agricultural test data provided by pesticide manufacturers. The study authors report that accurate methods for estimating dermal exposure are important because they form the basis for assessing and protecting worker health. The study is published in the current online issue of Annals of Occupational Hygiene.
“Although our study’s findings aren’t unexpected, they highlight the significance of dermal exposure among pesticide workers,” said Laura Geer, the study’s lead author and a PhD student in the Bloomberg School of Public Health’s Department of Environmental Health Sciences.
Geer explained that the EPA requires pesticide manufacturers to evaluate the potential for exposure to pesticide handlers. “Since there is a paucity of such data in the literature, we sought to mine these data. Our study demonstrates their utility and value to answer questions fundamental to dermal exposure and to protecting worker health,” she said. “For example, from these data, we were able to estimate the fraction of pesticide absorbed through the skin based on real-world agricultural worker monitoring.”
Kenna L. Lowe | EurekAlert!
Study relating to materials testing Detecting damages in non-magnetic steel through magnetism
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Innovative genetic tests for children with developmental disorders and epilepsy
11.07.2018 | Christian-Albrechts-Universität zu Kiel
There are currently great hopes for solid-state batteries. They contain no liquid parts that could leak or catch fire. For this reason, they do not require cooling and are considered to be much safer, more reliable, and longer lasting than traditional lithium-ion batteries. Jülich scientists have now introduced a new concept that allows currents up to ten times greater during charging and discharging than previously described in the literature. The improvement was achieved by a “clever” choice of materials with a focus on consistently good compatibility. All components were made from phosphate compounds, which are well matched both chemically and mechanically.
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New design tool automatically creates nanostructure 3D-print templates for user-given colors
Scientists present work at prestigious SIGGRAPH conference
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Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...
Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...
Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....
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