Question 749
{"accessible":false,"alternatives":[{"id":3798,"text":"5 mSv"},{"id":3799,"text":"10 mSv"},{"id":3800,"text":"15 mSv"},{"id":3801,"text":"20 mSv"},{"id":3802,"text":"25 mSv"},{"id":3803,"text":"30 mSv"}],"archived":false,"correctAlternativeId":3801,"explanation":"\u003cp\u003eDose limits\u0026nbsp;are recommended by the The International Commission on Radiological Protection (ICRP) with an effective dose of 20 mSv a year, averaged over defined periods of 5 years with no single year \u0026gt; 50 mSv.\u0026nbsp;\u003c/p\u003e\u003cp\u003eAdapted from\u0026nbsp;\u003ca href=\"https://en.wikibooks.org/wiki/Basic_Physics_of_Digital_Radiography\"\u003eBasic Physics of Digital Radiography\u003c/a\u003e\u0026nbsp;by\u0026nbsp;Kieran Maher,\u0026nbsp;with author's permission (License:\u0026nbsp;\u003ca href=\"https://creativecommons.org/licenses/by-sa/3.0/\"\u003eCreative Commons\u0026nbsp;BY-SA 3.0\u003c/a\u003e).\u003c/p\u003e","id":749,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1505","nextQuestionPath":"/articles/dose-limits/questions/748","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the average annual effective dose limit\u0026nbsp;for occupationally exposed personnel?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/749"}],"attemptsPercentages":[{"alternativeId":"3798","percentage":12},{"alternativeId":"3801","percentage":79},{"alternativeId":"3802","percentage":2},{"alternativeId":"3800","percentage":2},{"alternativeId":"3799","percentage":6},{"alternativeId":"3803","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"dose-limits"}