Treasury of Scripture Knowledge

Summary

Then I commanded, and they cleansed the chambers: and thither brought I again the vessels of the house of God, with the meat offering and the frankincense.

Bible References

They cleansed

Nehemiah 12:45
And they kept the watch of their God, and were responsible for making things clean, and so did the music-makers and the door-keepers, as it was ordered by David and Solomon his son.
2 Chronicles 29:5
And said to them, Give ear to me, O Levites: now make yourselves holy, and make holy the house of the Lord, the God of your fathers, and take away everything unclean from the holy place.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain