ðə jˌʊɹɹəpˈiən jˈuːniən ɹˌɛkəmˈɛndz ðæt mˌɪɾɪɡˈeɪʃən ʃˌʊd biː tˈeɪkən stˈɑːɹɾɪŋ fɹʌm kˌɑːnsəntɹˈeɪʃənz ʌv fˈoːɹhˈʌndɹɪd bˌiːkjˈuː slˈæʃ ˈɛm θɹˈiː fɔːɹ ˈoʊld hˈaʊzᵻz, ænd tˈuːhˈʌndɹɪd bˌiːkjˈuː slˈæʃ ˈɛm θɹˈiː fɔːɹ nˈuː wˌʌnz.
The European Union recommends that mitigation should be taken starting from concentrations of 400 Bq/m3 for old houses, and 200 Bq/m3 for new ones.