Nehemiah 13:9
Then I commanded, and they cleansed the chambers. And there I brought again the vessels of the house of God, with the meal-offerings and the frankincense.
2 Chronicles 29:5
and said to them, Hear me, ye Levites. Now sanctify yourselves, and sanctify the house of LORD, the God of your fathers, and carry forth the filthiness out of the holy place.
2 Chronicles 29:15-19
And they gathered their brothers, and sanctified themselves, and went in, according to the commandment of the king by the words of LORD, to cleanse the house of LORD.
Nehemiah 12:45
And they kept the charge of their God, and the charge of the purification, and [also] the singers and the porters, according to the commandment of David, and of Solomon his son.