Table 2 Comparison of chemical compound with other sea area in the world.
Compounds | Location | Sampling time | Concentrations | References | |
|---|---|---|---|---|---|
Average | Range | ||||
TOC (mg/L) | Northern PG, Iran | January–February and June 2022 | 7.48 | 0.15–114.58 | This study |
Southern PG, UAE | April 1986 | 2.7 | 0.8–3.9 | ||
Southern PG, Qatar | April 1986 | 1.6 | 0.5–3.6 | ||
Southern PG and GO1 | February–March, 1987 | 6.37 | 2.1–14.6 | ||
Northern PG, Kuwait | March 2014–March 2016 | 1.93 | 1.21–3.82 | ||
Northern Arabian Sea | 1995–1996 | – | 0.96–1.2 | ||
Indian, Pacific, and Atlantic Oceans | – | – | 1.5–2.0 | ||
Northern Coastal Baltic Sea | 1975–2011 | – | 3–6 | ||
TPH (mg/L) | Northern PG, Iran | January–February and June 2022 | 15.71 | nd-134.6 | This study |
Ondo state, Nigeria | November 2017–April 2018 | – | nd-4.07 | ||
Teluk Batik Beach, Malaysia | July 2018 | – | 91–503 | ||
Algoa Bay, Eastern Cape, South Africa | February to June 2016 | 0.118 | 0.045–0.273 | ||
Tianjin Bohai Bay, China | 1996–2005 | 0.096 | 0.020–0.508 | ||
HCHs (ng/L) | Northern PG, Iran | January–February and June 2022 | 39.56 | nd-141.28 | This study |
Lake Burullus, Egyptian Mediterranean Sea | 2006 | – | nd-495.55a | ||
Near-shore surface water of Alexandria, Egypt | 2013–2014 | 0.33 | 0.16–0.63 | ||
Bohai Bay, north of China | – | 160 | 50–750 | ||
Daya Bay | Augst 1999 | 285 | 36–1229 | ||
Northern South China Sea | 2009–2011 | 2.57 | 0.23–20.02 | ||
East China Sea | 2009–2011 | 1.64 | 0.08–7.20 | ||
Beibu Gulf, northwest of the South China Sea | May 2021 | 0.19 | 0.06–0.82 | ||
North Atlantic Ocean | 2015 | – | 0.09–0.63 | ||
Minjiang River Estuary, China | November 1999 | 205.50 | 52.09–515.0 | ||
Marginal seas of China | Sep–Oct 2006 | 1.29 | 0.68–2.04b | ||
Bering Sea, Northern Pacific Ocean | July–Sep 1999 | 0.41 | 0.15–0.81 | ||
Chukchi Sea, Arctic Ocean | July–Sep 1999 | 0.44 | 0.14–0.94 | ||
DDTs (ng/L) | Northern PG, Iran | January–February and June 2022 | 0.09 | nd-1.71 | This study |
Lake Burullus, Egyptian Mediterranean Sea | 2006 | – | 0.07–882.6 | ||
Near-shore surface water of Alexandria, Egypt | 2013–2014 | 2.50 | 0.22–16.86 | ||
Bohai Bay, north of China | – | – | 10–110 | ||
Daya Bay | Augst 1999 | 175 | 27–975 | ||
China’s surface water | – | 0.5–175.0 | nd-975.9 | ||
Laguna de Terminos, Mexico | April 2000 | 0.28 | 0.07–0.60 | ||
Northern South China Sea | 2009 to 2011 | 0.97 | 0.0–15.16 | ||
East China Sea | 2009–2011 | 0.72 | 0.0–9.36 | ||
Beibu Gulf, northwest of the South China Sea | May 2021 | 0.44 | 0.01–2.46 | ||
Gulf of Milazzo (Southern Italy) | 2005 | 1.6 | 0.60–6.89 | ||
North Atlantic Ocean | 2015 | – | nd-0.002 | ||
Minjiang River Estuary, China | November 1999 | 142.0 | 40.61–233.5 | ||
Marginal seas of China | Sep–Oct 2006 | 1.27 | 0.52–2.57 | ||
Bering Sea, Northern Pacific Ocean | July–Sep 1999 | – | 0.01–0.09 | ||
Chukchi Sea, Arctic Ocean | July–Sep 1999 | – | 0.05–0.12 | ||
OCPs (ng/L) | Northern PG, Iran | January–February and June 2022 | 68.55 | 3.13–219.6 | This study |
Beibu Gulf, northwest of the South China Sea | May 2021 | 0.85 | 0.12–2.81 | ||
Gulf of Milazzo (Southern Italy) | 2005 | 4.52 | 0.24–20.82 | ||
Minjiang River Estuary, China | November 1999 | 839.9 | 214.4–1819 | ||
Marginal seas of China | Sep–Oct 2006 | 2.93 | 1.45–5.23 | ||
PCBs (ng/L) | Northern PG, Iran | January–February and June 2022 | 2.95 | 0.72–5.05 | This study |
Shadegan Wetland, northwestern PG | – | 93.25 | 8–375c | ||
Larak Coral Island, PG | Winter and summer 2015 | 1.39 | 0.97–3.10 | ||
Lake Burullus, Egyptian Mediterranean Sea | 2006 | 1756.7 | 1.029–3315.8c | ||
Near-shore surface water of Alexandria, Egypt | 2013–2014 | 33.91 | 2.44–90.61 | ||
Bohai Bay, north of China | – | – | 60–700 | ||
Bay of Bengal coast of Bangladesh | Winter and summer 2015 | – | 4.22–30.84c | ||
Laguna de Terminos, Mexico | April 2000 | 1.18 | 0.07–3.40 | ||
North Atlantic Ocean | 2015 | – | 0.011–0.025c | ||
Minjiang River Estuary, China | November 1999 | 985.2 | 203.9–2473 | ||
Anionic surfactant (µg/L) | Northern PG, Iran | January–February and June 2022 | 30.53 | 10–79 | This study |
Black Sea coastline of Turkey | Autumn 2010–winter 2011 | – | 30–186 | ||
Gdańsk Bay, southeastern part of the Baltic Sea | November 2001 to May 2002 | – | 5–150 | ||
