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<p>Whilst the Environment Agency (EA) does not have environmental monitoring in place
specifically targeting metal nanoparticles, it is keeping a watching brief on innovative
monitoring approaches and environmental effects. Although the science associated with
environmental analysis for nanoparticles (and their associated effects) is in development,
the EA has considered a number of nanoparticles through its Prioritisation and Early
Warning System (PEWS). To date, the EA has considered titanium dioxide, zinc oxide,
cerium dioxide, copper oxide and copper carbonate nanoparticles through PEWS.</p>
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