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.H21 - Others Others Fish 112 species ppm < 0.01 1.48 0.155
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.H21 - Others Others Fish 19 species ppm 0.02 0.91 0.306842105
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.H21 - Others Others Shellfish 16 species ppm < 0.01 0.04 0.014285714
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.H21 - Others Others Freshwater fish 9 species ppm < 0.01 0.21 0.1175
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.H22 - Others Others Fish 135 species ppm < 0.01 2.18 0.66
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.H22 - Others Others Fish 31 species ppm 0.05 1.73 0.2
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.H22 - Others Others Shellfish 23 species ppm < 0.01 0.22 0.03
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.H22 - Others Others Freshwater fish 9 species ppm 0.01 0.17 0.08
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.H23 - Others Others Fish 123 species ppm < 0.01 2.1896 0.166930123
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.H23 - Others Others Fish 29 species ppm 0.022 0.714 0.241365544
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.H23 - Others Others Shellfish 22 species ppm < 0.01 0.2105 0.030863379
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.H23 - Others Others Freshwater fish 10 species ppm 0 0.2959 0.099328333
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.H24 - Others Others Fish 120 species ppm < 0.01 1.3031 0.163297783
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.H24 - Others Others Fish 28 species ppm 0.0154 0.5684 0.221491156
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.H24 - Others Others Shellfish 19 species ppm < 0.01 0.104 0.025095
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.H24 - Others Others Freshwater fish 14 species ppm < 0.01 0.1957 0.087445742
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.H25 - Others Others Fish 110 species ppm < 0.01 1.3125 0.164357753
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.H25 - Others Others Fish 25 species ppm 0.081 0.687 0.224091961
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.H25 - Others Others Shellfish 17 species ppm < 0.01 0.1758 0.031923485
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.H25 - Others Others Freshwater fish 10 species ppm < 0.01 0.1794 0.105566667