Yes. No. Maybe. Depends on the circumstances. Requires more research.
Like so many questions about contaminants in the environment, the issue of perfluorooctane sulfonate, or PFOS, in biosolids raises both concerns and unanswered questions. The concern is whether PFOS, which makes its way into biosolids by way of wastewater treatment, could be taken up by crops grown in biosolids-augmented soils.
PFOS has been used for years as a stain repellent in carpet and clothing, and in firefighting foams and industrial processes. Like other contaminants, PFOS often ends up in wastewater and ultimately in biosolids.
It’s an emerging issue that has led














