Current State of Microplastics Research …
43
Table 3
(continued)
Sl.
no
Location
Type of
sample
Environmen-tal
setting
Methodology
adopted
Size range
(mm)
Average microplastics
concentration
Polymer
types
Reporting
units
References
B3 Bangladesh Sediments Beach
Microscope,
ATR-FTIR
>300
µm
8.1
± 2.9 Particles/kg
PP, PE,
PS, PVC,
PET, AR
Particles/kg
[93]
P3
Pakistan
Soil
Urban
Stereomicroscope,
FTIR
300–5000
µm
50–150
µm
150–300
µm
4483
± 2315 MPs/kg
PE, PET,
PP
MPs/kg
[92]
P4
Pakistan
Dust
Indoor dust
HPLC-MS/MS
<5 mm
45–38000
µg (PET)
<0.11–49
µg (PC)
PET, PC
µg
[141]
SL2 Sri Lanka
Water
Marine
Light microscope 0.30–1 mm
1–5 mm
139.77
± 120.76
items/m3: size fraction
by number
0.33
± 0.13 mg/m 3
: size
fraction by weight
–
Items/m 3
mg/m 3
[4]