Nehemiah 12:30

12:30 When the priests and Levites had purified themselves, they purified the people, the gates, and the wall.

Nehemiah 13:9

13:9 Then I gave instructions that the storerooms should be purified, and I brought back the equipment ¹  of the temple of God, along with the grain offering and the incense.

[13:9]  ¹ tn On the usage of this Hebrew word see HALOT 478-79 s.v. כְּלִי.