Table 4.
∑ polychlorinated biphenyls in soils from India and other countries: comparison with present study.
| Location | Land use | 2PCBs concentration (μg kg–1) | Ref. | |
|---|---|---|---|---|
| Range | Mean | |||
| Korba, India | Mixed | 3.25-25.22 | 9.21 | This study |
| Beijing, China | Urban | BDL-37.11 | 11.70 | 10 |
| Addis Ababa, Ethiopia | Urban | 0.4-19 | 3.80 | 11 |
| Central, Ghana | Industrialized | 1.32-12.94 | 8.17 | 12 |
| Southeast, China | Industrialized | BDL-55.4 | 3.16 | 13 |
| Estarreja, Portugal | Urban | 2.3-17 | 8.8 | 14 |
| Mazandaran and Guilan, Iran | Agriculture | 7.5-34.6 | 25.7 | 15 |
| Punjab, Pakistan | Mixed | 7-45 | - | 16 |
| Zhejiang, China | Industrialized | 0.61-127.33 | - | 17 |
| Delhi, India | Urban | 1.08-100.67 | 21.16 | 22 |
| Kurukshetra, India | Urban | 3.33-34.81 | 11.57 | 23 |
| Guangdong, China | Industrialized | 7.4-4000 | 17-470 | 33 |
| Binzhou, China | Urban-rural | BDL-87 | 2.6 | 34 |
| Moscow, Russia | Urban | 2.1-50.8 | - | 35 |
| North India | Agriculture | <0.01-99.40 | 18.83 | 36 |
| Bursa, Turkey | Industrialized | 0.21-5.46 | 2.12 | 37 |
| North America | Grassland | 7.9-93 | - | 35 |
| Sauget, IL, USA | Industrialized | - | 487.2 | 36 |
| Cedar Rapids, IA, USA | Garden | 3-1200 | 56 | 37 |
| Midway Atoll, USA | Military base | 2.6-148.8 | 50.7 | 38 |