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Leaf blowers flagged as prodigious polluters — and possible health threat
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Leaf blowers flagged as prodigious polluters — and possible health threat

Despite improvements, these machines still emit toxic contaminants such as carcinogenic benzene as well as surprisingly large amounts of other smog-forming chemicals.

This week's MinnPost Quiz: parks, pageants and pollutants
MinnPost Quiz

This week's MinnPost Quiz: parks, pageants and pollutants

Test your news IQ with the MinnPost Quiz.