Table 1 Scoring system to predict and calculate the hazard of MNPs in the environment proposed by Bucci and Rochman [53], table with minor adaptations

0.1

 > 1 mm

Sphere

PP, polyvinyl acetate, cellulose

Pristine or relatively clean water body

0.2

0.3

0.1–0.9 mm (100–999 µm)

PS, LDPE, HDPE, polyethylene terephthalate

0.4

0.01–0.09 mm (10–99 µm)

0.5

PA, expanded PS

Moderately polluted water body

0.6

Fragment

0.7

0.001–0.009 mm (1–9 µm)

Polycarbonate, polymethylmethacrylate

0.8

0.9

Fibre

PVC, polyurethane, rubber

Highly polluted water body (e.g. wastewater effluent, highly populated, industrial, agricultural areas)