Something from nothing? Ensuring the safety of chemical mixtures | EU JRC
Humans and wildlife are exposed to an
infinite number of different combinations of
chemicals, via food, consumer products and
Combined exposure to multiple chemicals
can lead to unacceptable effects, even if
single substances in the mixtures are below
their individual safety thresholds.
The assessment and management of
chemical mixtures is only partly covered by
current legislation, which focuses on single
substances in isolated sectors.
In particular, while formulated products are
covered, unintentional mixtures are not consistently addressed.
Their composition is
often unknown and changes over time,
making them difficult to regulate. The
assessment of unintentional mixtures is
therefore usually limited to specific
legislative sectors, such as pesticide
residues in food.
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