This database is built to show the mercury distribution in various environments and related products in Japan. The information of sampling media, mercury type, sampling region, and sampling time are contained. In this database, you can search and browse by categories, and also enjoy on-demand mercury maps in Japan.

Sampling Media
Mercury Type
Sampling Region
Sampling Time

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Search Results

Sample Media Mercury Type Principal agent Reference Number Institute Reference Year Sampling Region Sampling Area Sample Type Unit Minmum Maximum Average
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H30 - Others Others Shellfish 21 species ppm < 0.01 0.11 0.032941176
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H30 - Others Others Freshwater fish 7 species ppm 0.01 0.21 0.082857143
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H31 2019 Others Others Fish 108 species ppm <0.01 3.91 0.19537963
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H31 2019 Others Others Fish 25 species ppm 0.03 2.12 0.3952
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H31 2019 Others Others Shellfish 22 species ppm < 0.01 0.16 0.025263158
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H31 2019 Others Others Freshwater fish 14 species ppm < 0.01 0.52 0.121538462
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H31 2019 Others Others Freshwater fish 1 species ppm 0.31 0.31 0.31
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H32 2020 Others Others Fish 109 species ppm <0.01 2.11 0.185004717
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H32 2020 Others Others Fish 24 species ppm 0.06 1.7 0.369583333
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H32 2020 Others Others Shellfish 20 species ppm < 0.01 0.12 0.026035714
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H32 2020 Others Others Freshwater fish 10 species ppm < 0.01 0.2047 0.09
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H33 2020 Others Others Fish 104 species ppm <0.01 2.98 0.2
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H33 2020 Others Others Fish 20 species ppm 0.05 2.44 0.53
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H33 2020 Others Others Shellfish 19 species ppm < 0.01 0.15 0.02
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H33 2020 Others Others Freshwater fish 9 species ppm < 0.01 0.3 0.11
Foods(raw and processed) T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H3 1991 Others Others Processed food products ppm < 0.01 0.51 0.07
Foods(raw and processed) Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H3 1991 Others Others Processed food products ppm < 0.01 0.03 0.02
Foods(raw and processed) T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H4 1992 Others Others Processed food products ppm < 0.01 0.14 0.03
Foods(raw and processed) T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H5 1993 Others Others Processed food products ppm 0.01 0.01 0.01
Foods(raw and processed) T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H6 1994 Others Others Processed food products ppm 0.01 0.73 0.22