ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɪksti z jˈɔːɹk ɹᵻsˈɜːtʃ kˌɔːɹpɚɹˈeɪʃən, ɐn ˌɪndᵻpˈɛndənt kəmˈɜːʃəl tˈɛstɪŋ lˈæbɹətˌɔːɹi ʌv ɡlˈɛnbɹʊk, kənˈɛɾɪkət kəndˈʌktᵻd kəntɹˈoʊld tˈɛstɪŋ ˌɔn bˈɑːɹdɑːl.
In the early 1960s York Research Corporation, an independent commercial testing laboratory of Glenbrook, Connecticut conducted controlled testing on Bardahl.