Our cities are complex places of work, industry and residential activities. This often makes it hard to pin down the spread of different contaminants throughout them. Mark Patrick Taylor Chief Environmental Scientist, EPA Victoria; Honorary Professor, School of Natural Sciences, Macquarie University Kara Fry Adjunct Fellow, School of Natural Sciences, Macquarie University Max M Gillings PhD Candidate, School of Natural Sciences, Macquarie University This can be a concern, especially given mounting evidence there is no "safe" limit of exposure for many of the chemicals we use in our daily lives .

https://www.miragenews.com/new-monitors-for-pollution-toxic-metals-1071817/

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