Trent Tresch sweeping the floor, SAM at B2 Power washer, SAM at B2

Sump pump, SAM at B2 Trent Tresch power washing the floor, SAM at B2

John Adams sweeping the floor, SAM at B2 Cameron Smith cleaning the TM floor, SAM at B2

Trent Tresch, Cameron Smith, Kai Staats, and Deputy Director of Biosphere 2 John Adams work to return the welded stainless steel floor of the Test Module to a clean, inhabitable state, February 23-25, 2021.