Data selection

Alcor (Kirchgeorg et al. 2010) (50)

AMAP (1778)

Amundsen (Benskin et al. 2012) (8)

ANTXXV (Ahrens et al. 2010a) (38)

ANTXXVII/1 (Zhao et al. 2012) (34)

ANTXXVII/2 (Zhao et al. 2012) (17)

ARK-XXIV/3 (Zhao et al. 2012) (25)

Boontanon et al. (2013) (21)

Chemicals in Environment (Ministry of the Environment, Japan) (158)

China National POPs Monitoring (4925)

EMEP (2260)

Endeavor (Benskin et al. 2012) (35)

Environmental Survey of Dioxins (Ministry of the Environment, Japan) (16)

Ga 442 (Theobald et al. 2011) (24)

Ga 446 (Theobald et al. 2011) (78)

GAPS (4674)

GAPS-GRULAC (480)

GMP UNEP (13080)

IADN (3364)

Kosetice (573)

LAPAN (819)

Malaspina (González-Gaya et al. 2014) (275)

Maria S. Merian 2007 (Ahrens et al. 2009) (36)

Maria S. Merian 2008 (Kirchgeorg et al. 2010) (98)

MONET (9424)

Northern Contaminants Program (745)

Oden 2005 (Benskin et al. 2012) (43)

Oden 2007 (Benskin et al. 2012) (26)

Polarstern 2007 (Ahrens et al. 2009) (84)

Polarstern 2008 (Ahrens et al. 2010b) (78)

POPs Monitoring Project in East Asian Countries (436)

Snow Dragon (Cai et al. 2012) (150)

Toxic Organic Micro-Pollutants Program (2736)

UNU (74)

Token

Data Selection