The astronauts were rubbed down with a sodium hypochlorite solution and Columbia wiped with Povidone-iodine to remove any lunar dust that might be present.
ðɪ ˈæstɹənˌɔːts wɜː ɹˈʌbd dˌaʊn wɪð ɐ sˈoʊdiəm hˌaɪpoʊklˈoːɹaɪt səlˈuːʃən ænd kəlˈʌmbiə wˈaɪpt wɪð pˈɑːvɪdˌoʊnˈaɪədˌiːn tə ɹᵻmˈuːv ˌɛni lˈuːnɚ dˈʌst ðæt mˌaɪt biː pɹˈɛzənt.