Current State of Microplastics Research …
35
Table 2
(continued)
Sl. no Location
Type of
sample
Environmental
setting
Methodology adopted
Size range (mm)
Average microplastics
concentration
Polymer types
Reporting units
References
20
Tamil Nadu
Sediments
Beach
FTIR-ATR, Dissecting
microscope (40X);
SEM-EDX
0.5–3 mm
309
± 184 to 76
± 72
items/kg
PE, PP, NY, PES, PS
Items/kg
[106]
21
Mumbai
Tuticorin
Dhanushkodi
Sediments
Beach
FTIR-ATR, SEM-EDS,
Fluorescence microscopy
0.036–5 mm
Mumbai: 220
± 50
MP kg −1
Tuticorin: 181
± 60
MP kg −1
Dhanushkodi: 45
± 12
MP kg −1
PE, PET, PS, PP, PVC,
Others
kg −1
[126]
22
Karnataka
Surface
waters
Sediments
Soil
River
Nikon Stereozoom
Microscope (40
×
magnification); FTIRATR
1-5 mm &
0.3-1 mm
Surface waters: 288
pieces/m 3
.
Sediments: 96
pieces/kg
PE, PET, PP, PVC
Pieces/m 3
Pieces/kg
[1]
23
Coastal
waters of
Cochin, India
White
Shrimps
Coastal
Stereo Microscope;
FTIR-ATR
157–2785
µm
0.39
± 0.6
microplastics/shri-mps
PET, PA, PE, PP
Microplastics/shrimps [23]
24
Kerala
Fish
Marine
Stereo microscope,
ATR-FTIR
100–5000
µm
Edible tissues: 0.005
±
0.02 items/g
Inedible tissues:
0.054
± 0.098 items/g
PP, PE, EPDM
PS, PU
Items/g
[24]
25
Pondicherry
Bivalves
Estuarine
Nile Red Staining,
Fluorescent Microscope,
(Olympus CX41), Raman
Spectroscopy
<100
µm
0.18
± 0.04 to
1.84
± 0.61
items/g
0.50
± 0.11 to
4.8
± 1.39
items/individual
PU, PVCA, PVC, PES,
PET, ABS, SBR, PVK,
PEVA
Items/g
Items/individual
[30]
(continued)