As concerns about per- and polyfluoroalkyl substances (PFAS) escalate, so too does the breadth of environmental media under regulatory scrutiny.
Generally thought to be a problem in water and soil, PFAS are also known to be airborne, travelling vast distances from their source and depositing far from industrial sites.
Although human and animal exposure through the air is considered to be relatively low, their airborne presence remains a key component of the PFAS lifecycle.
These “forever chemicals” are emitted from industrial emissions and consumer-product volatilisation. The implications for air quality, climate interaction and human health are profound.
Another challenging environmental matrix is water, particularly that from aquifers and oceans. Seawater, in particular, has emerged as a critical monitoring target for PFAS.
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