An assessment of potential health risks shows that graphite rain contains heavy metals and PAHs.

Perfluoro (PFAS) is a group of substances that contains PFOS, PFOA and GenX. Perfluoro substances often occur as pollution in ground water and drinking water.

RIVM proposes water quality standards for perfluoro octanoic acid (PFOA). PFOA is a man-made chemical that is used to protect surfaces.