Articles on Trace metals
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Levels of trace metals inside can be higher than the sources of contamination outside. It underscores the need for households to take care to prevent those contaminants being brought indoors.
From persistent chemicals to exhaust particulate matter, snow accumulates highly toxic pollutants. Regulations are needed to address the impacts on water supplies and the food chain.
Leaded petrol hasn’t been used since 2002, but new research found traces of it end up back in the air after bushfires.
Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.



