fˈæsᵻnˌeɪɾᵻd baɪ ðɛɹ wˈɜːk, mˈækəl bɪɡˈæn mˈɑːnɪɾɚɹɪŋ ðə wˈɔːɾɚz hɪmsˈɛlf ænd, ˈæftɚ ɹˈeɪzɪŋ dˈɑːlɚ fˈaɪv,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ɪn ɐmˈɛɹɪkə fɚðə bjˈʊɹɹoʊ, bɪkˌeɪm ðə tʃˈiːf sˈaɪəntɪst fɚðə pɹˈɑːdʒɛkt, ɐ pəzˈɪʃən hiː hˈɛld ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd sˈɛvənti tˈuː, wˌɛn ðə bjˈʊɹɹoʊ dɪsbˈændᵻd.
Fascinated by their work, Mackal began monitoring the waters himself and, after raising $5,000 in America for the Bureau, became the chief scientist for the project, a position he held until 1972, when the Bureau disbanded.