Table 4 Measured concentration and risk quotient (RQ) of phenol in sediment samples.
Country | Location | Pollution source | Sampling points (n) | MDC (µg/g dw) | RQ | Reference |
|---|---|---|---|---|---|---|
Brazil | Suruí Mangrove | Oil spill (2000) | 23 | 25.40 | 31.55 | 42 |
Brazil | Deactivated industrial site | Synthetic resin production (~’90s) | 2 | 810 | 1006.21 | 43 |
China | Xi River | Industrial WW discharge | 7 | 34.80 | 43.22 | 6 |
China | Pu River | Industrial WW discharge | 9 | 20.10 | 24.97 | 6 |
China | Yinma River Basin | Domestic, industrial, and agricultural WW | 17 | 0.18 | 0.23 | 8 |
China | Beitang Drainage River | Effluent of WWTP, domestic, industrial, and agricultural WW | 7 | 0.002 | 0.002 | 7 |
China | Dagu Drainage River | Effluent of WWTP, domestic, industrial, and agricultural WW | 16 | 0.006 | 0.007 | 7 |
China | Bahe River | Domestic, industrial, and agricultural WW | 6 | 4.88 | 6.06 | 44 |
China | Weihe River | Domestic and industrial WW | 32 | 1.99 | 2.47 | 45 |
China | Xihe River | Industrial WW | 11 | 28.86 | 35.85 | 46 |
Ezypt | El-Dekhila Harbor | Domestic WW | 6 | 2.69 | 3.34 | 3 |
Ezypt | Abu Talat Area | Domestic WW | 6 | 2.09 | 2.60 | 3 |
Ezypt | Lake Mariout | Effluent of WWTP, industial and agricultural WW | 19 | 1.84 | 2.28 | 47 |
Ezypt | Lake Mariout | Effluent of WWTP, industial and agricultural WW | 13 | 2.87 | 3.56 | 4 |
Hong Kong | Shing Mun River | Industrial, commercial, and livestock WW | 2 | 1.40 | 1.74 | 5 |
Hong Kong | Shan Pui River Basin | Effluent of WWTP | 2 | 0.20 | 0.25 | 5 |
Hong Kong | Tuen Mun River | Domestic, industrial, commercial, and livestock WW | 2 | 0.50 | 0.62 | 5 |
Korea | Jang-Hang Estuary | Discharge of WWTP, industrial WW | 3 | 10.50 | 13.04 | 48 |
Turkey | Zonguldak | Industrial WW | 1 | 3.75 | 4.66 | 49 |
Turkey | Bartın | Industrial WW | 1 | 3.77 | 4.69 | 49 |
Turkey | Trabzon | Industrial WW | 1 | 0.03 | 0.04 | 49 |
Pakistan | Korangi Creek | Untreated domestic and industrial WW | 24 | 9.72 | 12.07 | 50 |
