ɪn ɐn ˈɔɪl pɹˈɑːsɛsɪŋ plˈænt ðɪ ˈɛɹiə ʌvðə plˈænt wˌɛɹ pɹˈoʊpeɪn ɪz pɹˈɑːsɛst ɪz ˈɔfən wˈʌn ʌvðə mˈoːɹ kəntˈæmᵻnˌeɪɾᵻd ˈɛɹiəz ʌvðə plˈænt æz ɹˈeɪdɑːn hɐz ɐ sˈɪmɪlɚ bˈɔɪlɪŋ pˈɔɪnt tə pɹˈoʊpeɪn.
In an oil processing plant the area of the plant where propane is processed is often one of the more contaminated areas of the plant as radon has a similar boiling point to propane.