PAHs in Terrestrial Environment and their Phytoremediation 73
24
Urban soil
Tezpur, Brahmaputra valley
India
2015
Pre-monsoon (March)
Monsoon (July)
Post-monsoon
(December)
Ultra-sonication
16
242.68–2414.37
(ng g–1 )
134.25–773.79
(ng g–1 )
594.73–7961.22
(ng g–1 )
Deka et al. 2020
25
Urban soil near thermal
power plants
Delhi,
India
pre-winter (October
2011)
post-winter (March
2012)
Ultra-sonication
7
956–2348
(µg g–1 )
1230–2714
(µg g–1 )
Gupta and Kumar
2020
26
Dumpsite surface soil
Chennai,
India
-
Microwave assisted
extraction system
16
0.62–3649
(ng g–1 )
Rajan et al. 2021
27
Urban soil
Industrial sites, Jamshedpur
Bokaro,
India
January–mid March
2020
Solvent extraction method
16
2223.1–11265.9
(ng g–1 )
729.6– 5358.9
(ng g–1 )
Ambade et al. 2022
28
Solid waste dumpsite
soil
Awka, Nigeria
Dry season
Wet season
-
-
4.73 ± 5.69 (µg g–1 )
6.83 ± 10.58 (µg g–1 )
Aralu et al. 2022
29
Power plants soil
Bijie, Guizhou province of
China
-
Soxhlet extraction
16
0.2–12.2 (mg kg–1 )
Liu et al. 2022
30
Coal based soil
(road dust)
Chattisgarh sites:
Raipur, Bhilai, Korba,
India
May 2008–May 2015
Solvent extraction method
16
8689–87458
(ng g–1 )
Nayak et al. 2022
31
Roadside soil
Lucknow,
India
-
-
15
478.94–8164.07
(ng g–1 )
Shukla et al. 2022