Sample

MP size range (μm)

Mean size of MP (μm)

No. of MP/g of location

R1

34.0 - 371.8

112.8 ± 11.7

44

R2

40.0 - 230.9

98.1 ± 14.4

18

R3

68.0 - 294.4

148.4 ± 50.0

4

R4^a

16.4 - 405.0

116.3 ± 14.0

2.70/L