Small quantities of lithium may be disposed of by reaction with cool water, but the heavier alkali metals should be dissolved in the less reactive isopropanol.
smˈɔːl kwˈɔntᵻɾiz ʌv lˈɪθiəm mˈeɪ biː dɪspˈoʊzd ʌv baɪ ɹɪˈækʃən wɪð kˈuːl wˈɔːɾɚ, bˌʌt ðə hˈɛviɚɹ ˈælkəlˌaɪ mˈɛɾəlz ʃˌʊd biː dɪsˈɑːlvd ɪnðə lˈɛs ɹɪˈæktɪv ˌaɪsəpɹˈoʊpɐnˌɑːl.