wˌɪtʃ ɹˈaʊt ʌv ɛkspˈoʊʒɚɹ ɪz mˈoʊst lˈaɪkli dᵻpˈɛndz ɔnðə tˈaɪp ʌv sˈʌbstənsᵻz pɹˈɛzənt, ðə pɹɑːksˈɪmᵻɾi ʌv ɪnhˈæbɪɾᵻd ˈɛɹiəz ænd wˈɛðɚɹ ʌnˈɔːθɚɹˌaɪzd pˌɜːsənˈɛl tɹˈɛspəs ɔnðə ɹˈeɪndʒ.
Which route of exposure is most likely depends on the type of substances present, the proximity of inhabited areas and whether unauthorized personnel trespass on the range.