Current State of Microplastics Research …
37
Table 2
(continued)
Sl. no Location
Type of
sample
Environmental
setting
Methodology adopted
Size range (mm)
Average microplastics
concentration
Polymer types
Reporting units
References
33
South
Andaman
Island
Sediments
Beach
Nile Red Staining,
Fluorescent microscopy,
Raman Spectrometer
>100–1000
µm
414.35
± 87.4
particles/kg
PP, PVC, PVF
PB, Polysulfide
Melamine
PVB, Nylon-6
EE, ABS
Particles/kg
[88]
34
Ahmedabad
Sediments
River
Microscope(50x), SEM
75–212
µm
212
µm to 4 mm
47.1 mg
4 mg
–
mg
[94]
35
Southwest
coast of India
Sediments
water
Fish
Coastal and
Marine
Stereomicroscope fitted
with a digital camera,
FTIR-ATR.
0.3–4.75 mm
40.7
± 33.2
particles/m 2
(22
beaches)
Coastal waters: 1.25
±
0.88 particles/m 3
Microplastics in 15
fishes out of
70 fish samples
PE, PP, PA, PS, Others
Particle/m 3
[98]
36
Kanyakumari Sediments
Coastal
Binocular microscope
(40x)
<5 mm
343 particles/50 g dry
sediment
–
Particles/50 g dry
sediment
[123]
37
Tuticorin
Fish Water
Marine
Dissecting Microscope
(40x), FTIR-ATR,
SEM-EDX
<5 mm
3.1–23.7 items/L in
water
0.11–3.64
items/individual
PE, PES, PA, PS, PP,
PP-PE, PVA, Acrylic
Items/L
Items/individual
[108]
38
Tuticorin
Salt
Coastal
Motic Stereoscopic
microscope (40x),
FTIR-ATR, SEM-EDX
<100
µm- >1000
µm 35–72 items/kg in sea
salt
2–29 items/kg in
bore-well salt
PE, PP, PES, PA
Items/kg
[107]
39
Tamil Nadu
Ground
water
Surface
water
Coastal
stereoscopic microscope
(XRZ3, Olympus;
20-80x),
µ-FT-IR, Atomic
Force Microscopy,
ATR-FTIR
<5 mm
Groundwater: 4.2
particles/L
Surface water: 7.8
particles/L
PA, PES, PP, PE, PVC,
CL
Particles/L
[110]
(continued)