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For the term "geis".
sludge dumping

sludge-dumping

Decades of spreading sludge and sludge-based compost onto Maine farms, forests and gardens carried PFAS into many soils and groundwater systems, creating uncertainty about what sites are contaminated. Illustration by Bennet Geis.

bioaccumulation diagram

bioaccumulation diagram

Contaminants like PFAS build up within individual organisms over time (bioaccumulation) and become more concentrated in animals higher up the food web (biomagnification). Illustration by Bennet Geis.

taking water sample

Testing the Waters

Tracing the movement of PFAS into waterways and wildlife Martha Spiess, a retired veterinarian, began testing waters in Brunswick for PFAS (per- and polyfluoroalkyl substances) after hearing news of ‘forever chemicals’ contaminating Maine farms....