1 Chronicles 23:28

For their place was by the side of the sons of Aaron for the service of the house of Jehovah, over the courts, and over the chambers, and over the purifying of all holy things, and for the work of the service of the house of God;

Nehemiah 13:9

And I commanded, and they purified the chambers; and thither brought I again the vessels of the house of God, the oblation and the frankincense.

Numbers 3:6-9

Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him;

1 Kings 6:5

And against the wall of the house he built floors round about, against the walls of the house, round about the temple and the oracle; and he made side-chambers round about.

1 Chronicles 9:28-29

And part of them had the charge of the instruments of service, for by number they brought them in and by number they brought them out.

1 Chronicles 18:17

and Benaiah the son of Jehoiada was over the Cherethites and the Pelethites; and the sons of David were the first at the king's hand.

1 Chronicles 23:4

Of these, twenty-four thousand were to preside over the work of the house of Jehovah; and six thousand were officers and judges;

1 Chronicles 28:13

and for the courses of the priests and the Levites, and for all the work of the service of the house of Jehovah, and for all the instruments of service in the house of Jehovah:

2 Chronicles 29:5

and he said to them, Hear me, ye Levites: hallow yourselves now, and hallow the house of Jehovah the God of your fathers, and carry forth the filthiness out of the sanctuary.

2 Chronicles 29:18-19

And they went in to king Hezekiah, and said, We have cleansed all the house of Jehovah, and the altar of burnt-offering with all its vessels, and the table of the bread to be set in rows, and all its vessels;

2 Chronicles 31:11

And Hezekiah commanded to prepare chambers in the house of Jehovah; and they prepared them,

2 Chronicles 35:3-6

And he said to the Levites, that taught all Israel, and who were holy to Jehovah, Put the holy ark in the house that Solomon the son of David, king of Israel, built; ye have not to carry it upon your shoulders. Serve now Jehovah your God, and his people Israel;

2 Chronicles 35:11-14

And they slaughtered the passover, and the priests sprinkled the blood from their hand, and the Levites flayed them.

Ezra 8:29

Watch and keep them until ye weigh them before the chiefs of the priests and the Levites, and the chiefs of the fathers of Israel, at Jerusalem, in the chambers of the house of Jehovah.

Nehemiah 11:24

And Pethahiah the son of Meshezabeel, of the children of Zerah the son of Judah, was at the king's hand in all matters concerning the people.

Nehemiah 13:4-5

And before this, Eliashib the priest, who had the oversight of the chambers of the house of our God, a kinsman of Tobijah,

Jeremiah 35:4

and I brought them into the house of Jehovah, into the chamber of the sons of Hanan the son of Igdaliah, the man of God, which was by the chamber of the princes, which was above the chamber of Maaseiah the son of Shallum, the keeper of the threshold.

Ezekiel 41:6-11

And the side-chambers were three, chamber over chamber, and thirty in order; and they entered into the wall which the house had for the side-chambers round about, that they might have hold; but they had not hold in the wall of the house.

Ezekiel 41:26

and closed windows and palm-trees on the one side and on the other side, on the sides of the porch and the side chambers of the house and the portals.

Ezekiel 42:3

over against the twenty cubits that pertained to the inner court, and over against the pavement that pertained to the outer court; there was gallery against gallery in the third story;

Ezekiel 42:13

And he said unto me, The north cells and the south cells, which are before the separate place, they are holy cells, where the priests that come near unto Jehovah shall eat the most holy things; there shall they lay the most holy things, both the oblation and the sin-offering and the trespass-offering: for the place is holy.

Treasury of Scripture Knowledge

Summary

Because their office was to wait on the sons of Aaron for the service of the house of the LORD, in the courts, and in the chambers, and in the purifying of all holy things, and the work of the service of the house of God;

Office was to wait, etc

General references

Bible References

Office was to wait, etc

1 Chronicles 18:17
and Benaiah the son of Jehoiada was over the Cherethites and the Pelethites; and the sons of David were the first at the king's hand.

For the service

1 Chronicles 23:4
Of these, twenty-four thousand were to preside over the work of the house of Jehovah; and six thousand were officers and judges;
1 Chronicles 28:13
and for the courses of the priests and the Levites, and for all the work of the service of the house of Jehovah, and for all the instruments of service in the house of Jehovah:
Numbers 3:6
Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him;
1 Kings 6:5
And against the wall of the house he built floors round about, against the walls of the house, round about the temple and the oracle; and he made side-chambers round about.
2 Chronicles 31:11
And Hezekiah commanded to prepare chambers in the house of Jehovah; and they prepared them,
Ezra 8:29
Watch and keep them until ye weigh them before the chiefs of the priests and the Levites, and the chiefs of the fathers of Israel, at Jerusalem, in the chambers of the house of Jehovah.
Nehemiah 13:4
And before this, Eliashib the priest, who had the oversight of the chambers of the house of our God, a kinsman of Tobijah,
Jeremiah 35:4
and I brought them into the house of Jehovah, into the chamber of the sons of Hanan the son of Igdaliah, the man of God, which was by the chamber of the princes, which was above the chamber of Maaseiah the son of Shallum, the keeper of the threshold.
Ezekiel 41:6
And the side-chambers were three, chamber over chamber, and thirty in order; and they entered into the wall which the house had for the side-chambers round about, that they might have hold; but they had not hold in the wall of the house.
Ezekiel 42:3
over against the twenty cubits that pertained to the inner court, and over against the pavement that pertained to the outer court; there was gallery against gallery in the third story;

Purifying

1 Chronicles 9:28
And part of them had the charge of the instruments of service, for by number they brought them in and by number they brought them out.
2 Chronicles 29:5
and he said to them, Hear me, ye Levites: hallow yourselves now, and hallow the house of Jehovah the God of your fathers, and carry forth the filthiness out of the sanctuary.
2 Chronicles 35:3
And he said to the Levites, that taught all Israel, and who were holy to Jehovah, Put the holy ark in the house that Solomon the son of David, king of Israel, built; ye have not to carry it upon your shoulders. Serve now Jehovah your God, and his people Israel;

General references

Ezekiel 40:7
And each chamber was one reed long and one reed broad; and between the chambers were five cubits; and the threshold of the gate, beside the porch of the gate within, was one reed.
Ezekiel 44:14
And I will make them keepers of the charge of the house, for all the service thereof, and for all that shall be done therein.