sˈɪns nˈaɪntiːnhˈʌndɹɪd sˈɛvənti, ðɪ ˌɑːkjʊpˈeɪʃənəl sˈeɪfti ænd hˈɛlθ ɐdmˌɪnɪstɹˈeɪʃən ɐpɹˈuːvz dˈʌst mˈæsks, kˈɔːld ˈeɪ "fˈɪltɚɹɪŋ fˈeɪspiːs" ɪn nɪˈɑːʃ dʒˈɑːɹɡən.
Since 1970, the Occupational Safety and Health Administration approves dust masks, called a "filtering facepiece" in NIOSH jargon.