日本は1500ベクレル未満/1L
https://www.nikkei.com/article/DGXZQOUA12CXI0S1A410C2000000/
韓国は71万3000ベクレル/1L
https://news.yahoo.co.jp/articles/d76bf1f4d11566a53dcc4bf926f197ce4d2dacb4