ＰＦＡＳ、水道水の実態調査　１万超対象、目標値見直しへ―政府

　発がん性が疑われる有機フッ素化合物「ＰＦＡＳ」が浄水場などで検出されたことを受け、政府が全国の水道事業者に水質調査を要請していたことが２４日、分かった。小規模事業者を含めた実態調査は初めて。調査対象は約１万２０００事業者で、９月末までに報告を求める。
　国が定める含有濃度の暫定目標値は、水道水１リットル当たり５０ナノグラム（ナノは１０億分の１）。政府は調査結果を踏まえ、目標値や水道法上の位置付けの見直しを検討する。（2024/06/24-14:24）

The Japanese government has asked water providers across the country to check for PFAS, chemical compounds suspected to be carcinogenic, people familiar with the matter said Monday.
   Some 12,000 water providers were given until the end of September to report on potential water contamination with PFAS, or per- and polyfluoroalkyl substances. The request was made by the environment and infrastructure ministries on May 29.
   The government has a provisional target of keeping levels of PFAS in tap water at 50 nanograms or lower per liter. Tests for PFAS are conducted by water providers on a voluntary basis under the water supply law.
   The nationwide survey comes after a concentration of PFAS equivalent to 28 times the national standard was detected at a water purification plant in Kibichuo, Okayama Prefecture, in October last year.
   Based on the results of the survey, the government plans to consider reviewing the target and how PFAS are treated in the water supply law.