{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T17:04:38Z","timestamp":1754154278839,"version":"3.41.2"},"reference-count":41,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T00:00:00Z","timestamp":1753315200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Public Health"],"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>This work aims to assess the impact of three nuclear power plants (NPPs) in Zhejiang Province on the levels of <jats:sup>90<\/jats:sup>Sr in surrounding seafood, and to evaluate the associated health risks, providing a scientific basis for operational monitoring and contributing essential baseline data for nuclear emergency preparedness.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>From 2021 to 2023, the specific activities of <jats:sup>90<\/jats:sup>Sr in five types of seafood (fish, shrimp, mussels, crabs, and algae) were monitored in the three NPPs, compared with Zhoushan City, which has no NPP, and the annual effective dose (AED) was estimated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results show that the mean specific activities of <jats:sup>90<\/jats:sup>Sr in fish, shrimp, mussels, crabs, and algae around the NPPs were found to range from 0.09 to 0.76\u202fBq\/kg, 0.03\u20130.30\u202fBq\/kg, 0.01\u20130.22\u202fBq\/kg, 0.11\u20131.04\u202fBq\/kg, and 0.02\u20130.95\u202fBq\/kg, respectively. According to the <jats:italic>Kruskal-Wallis<\/jats:italic> test, there was no statistically significant difference between the <jats:sup>90<\/jats:sup>Sr specific activities in seafood from the three NPPs and Zhoushan. The AED due to <jats:sup>90<\/jats:sup>Sr intake from seafood for residents living around the three NPPs and Zhoushan are much lower than the recommended threshold of 1.0\u202fmSv\/y.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The comprehensive monitoring results demonstrated that the <jats:sup>90<\/jats:sup>Sr levels were at background levels and remained stable, consistently well below the limits of the relevant food safety standards, and the dose burden on the population was slight, indicating that the operation of the NPPs in Zhejiang Province did not have a significantly impact on the local seafood.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fpubh.2025.1635278","type":"journal-article","created":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T04:10:38Z","timestamp":1753330238000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluating 90Sr contamination in seafood and human exposure risks near Zhejiang nuclear power plants, China"],"prefix":"10.3389","volume":"13","author":[{"given":"Lei","family":"Zhou","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rui","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hua","family":"Zou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hong","family":"Ren","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunfei","family":"Yu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhongjun","family":"Lai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yiyao","family":"Cao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2025,7,24]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"1637","DOI":"10.1021\/acs.est.0c05710","article-title":"Collation of strontium concentration ratios from water to aquatic biota species in freshwater and marine environments and factors affecting the ratios","volume":"55","author":"Tagami","year":"2021","journal-title":"Environ Sci Technol"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"10356","DOI":"10.1021\/es301997c","article-title":"Radiostrontium in the Western North Pacific: characteristics, behavior, and the Fukushima impact","volume":"46","author":"Povinec","year":"2012","journal-title":"Environ Sci Technol"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"5868","DOI":"10.1021\/acs.est.8b06769","article-title":"Activity of 90Sr in fallout particles collected in the difficult-to-return zone around the Fukushima Daiichi nuclear power plant","volume":"53","author":"Zhang","year":"2019","journal-title":"Environ Sci Technol"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"339","DOI":"10.1016\/j.talanta.2017.09.041","article-title":"Rapid method for determination of 90Sr in seawater by liquid scintillation counting with an extractive scintillator","volume":"178","author":"Uesugi","year":"2018","journal-title":"Talanta"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"64","DOI":"10.1016\/j.jenvrad.2016.04.022","article-title":"Evaluation of factors influencing accumulation of stable Sr and Cs in lake and coastal fish","volume":"160","author":"Konovalenko","year":"2016","journal-title":"J Environ Radioact"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"6863","DOI":"10.3390\/ijerph10126863","article-title":"Radioactivity of drinking-water in the vicinity of nuclear power plants in China based on a large-scale monitoring study","volume":"10","author":"Miao","year":"2013","journal-title":"Int J Environ Res Public Health"},{"key":"ref7","doi-asserted-by":"publisher","first-page":"2875","DOI":"10.1021\/es5057648","article-title":"Analysis of Japanese radionuclide monitoring data of food before and after the Fukushima nuclear accident","volume":"49","author":"Merz","year":"2015","journal-title":"Environ Sci Technol"},{"key":"ref8","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1088\/0952-4746\/21\/1\/609","article-title":"UNSCEAR report 2000: sources and effects of ionizing radiation. 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