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Lecture 17 duration 1 hour 45 minutes Lecture 17 Lecture 17	Lecture 17 arsenic water sediments iron conditions reduction sodium sediment experiment process layer concentration experiments aquifer question oxidation oxygen oxides concentrations groundwater From Jasquelin Pena 0 likes 46 plays 0

duration 1 hour 45 minutes

Lecture 17

From Jasquelin Pena 0 likes 46 plays 0