Table 1 Comparison of PCBs concentrations (ng g⁻¹ dw) in the surface sediments of different coastal areas

Lake Como, Italia

449.7–1672.1

Bettinetti et al. (2016)

Seine River Basin, France

2300

Lorgeoux et al. (2016)

Baltic

28

Sobek et al. (2015)

Northern France

126.8–194.4

Net et al. (2015)

Nadoor Lagoon, Marocco

2.5–20.5

Giuliani et al. (2015)

Rhône River, France

11.5–417.1

Mourier et al. (2014)

Port Elizabeth Harbour, South Africa

0.56–2.35

Kampire et al. (2015)

Qinzhou Bay, South China

1.62–62.63

Zhang et al. (2014)

Monastir Bay (Tunisia, Central Mediterranean)

3.1–9.3

Nouira et al. (2013)

Mediterranean coastal environment, Egypt

0.29 – 288

Barakat et al. (2013)

Egyptian Mediterranean coast

7.06–75.17

Aly Salem et al. (2013)

Eastern Aegean Coast, Turkey

26.07

Kucuksezgin and Gonul ( 2012)

Rhône River, France

78–281

Desmet et al. (2012)

Abu Qir Bay (Egypt)

45

Khairy et al. (2012)

Cortiou, Marseille, France

750

Agung Dhamar et al. (2012)

Port of Spain

62–601

Mohammed et al. (2011)

Mar Piccolo, Taranto Ionian Sea, South Italy

2–1684

Cardellicchio et al. (2007)

Naples harbor, Italy

10–899

Sprovieri et al. (2007)

Cortiou, Marseille, France

12.68–1559.3

Wafo et al. (2006)

Dalian Bay

58.1 (average)

Xing et al. (2005)

Singaore’s coast

1.4–329.6

Wurl and Obbard (2005)

Narragansett Bay, USA

20.8–1760

Hartmann et al. (2004)

Masan Bay, Korea

1.24–41.4

Hong et al. (2003)

Alexandria harbor, Egypt

0.9–1211

Barakat et al. (2002)

Daya Bay, China

0.85–27.37

Zhou et al. (2001)

Hong Kong’s coast

3.5–25.1

Hong et al. (1999)

Victoria harbor, Hong Kong

3.2–27

Connell et al. (1998)

Coastal Barcelona offshore

4.0–64

Tolosa et al. (1995)

Abu-Quir Bay, Egypt

53–231

Abdallah and Abbas (1994)