Charles Ellicott Commentary Nehemiah 13:30

"Thus cleansed I them from all foreigners, and appointed charges for the priests and for the Levites, every one in his work;" — Nehemiah 13:30 (ASV)

This is a brief recapitulation of the special Work of Nehemiah after his return.

Thus cleansed I them. —After the acts of discipline described above, there was doubtless some formal service of expiation.