Table 1.

Distribution of micropolymers (MPs) and nanopolymers (NPs).

Distribution	Size of MPs	Method of sampling	Reference
Global	<1 mm	Whole water filtration	[4]
Global	0.33–4.75 mm	Plankton nets (0.33 mm)	[5]
Yangtze Estuary, China	0.5–5 mm	Plankton nets (0.333 mm)	[6]
North-Eastern Pacific ocean	0.333–5 mm	Whole water collection using sieves (62.5 μm)	[7]
Commercial molluscs in Northern Tunisia	1.1–1 mm	–	[8]
Face scrubs	<100 nm	Sequential filtration	[3]
Europe and Arctic	11–150 μm	Wet deposition of the snow	[9]
Baltic sea	10–800 μm	Wet deposition	[10]