Numbers 5:17

And the priest will take holy water in a pot and put in it dust from the floor of the House;

Exodus 30:18

You are to make a brass washing-vessel, with a brass base; and put it between the Tent of meeting and the altar, with water in it;

Numbers 19:2-9

This is the rule of the law which the Lord has made, saying, Give orders to the children of Israel to give you a red cow without any mark on her, and on which the yoke has never been put:

Job 2:12

And lifting up their eyes when they were still far off, it did not seem that the man they saw was Job because of the change in him. And they gave way to bitter weeping, with signs of grief, and put dust on their heads.

Jeremiah 17:13

O Lord, the hope of Israel, all who give you up will be put to shame; those who go away from you will be cut off from the earth, because they have given up the Lord, the fountain of living waters.

Lamentations 3:29

Let him put his mouth in the dust, if by chance there may be hope.

John 8:6

They said this, testing him, so that they might have something against him. But Jesus, with his head bent down, made letters on the floor with his finger.

John 8:8

And again, with bent head, he made letters on the floor.

Treasury of Scripture Knowledge

Summary

And the priest shall take holy water in an earthen vessel; and of the dust that is in the floor of the tabernacle the priest shall take, and put it into the water:

Bible References

Holy water

Numbers 19:2
This is the rule of the law which the Lord has made, saying, Give orders to the children of Israel to give you a red cow without any mark on her, and on which the yoke has never been put:
Exodus 30:18
You are to make a brass washing-vessel, with a brass base; and put it between the Tent of meeting and the altar, with water in it;

Of the dust

Job 2:12
And lifting up their eyes when they were still far off, it did not seem that the man they saw was Job because of the change in him. And they gave way to bitter weeping, with signs of grief, and put dust on their heads.
Jeremiah 17:13
O Lord, the hope of Israel, all who give you up will be put to shame; those who go away from you will be cut off from the earth, because they have given up the Lord, the fountain of living waters.
Lamentations 3:29
Let him put his mouth in the dust, if by chance there may be hope.
John 8:6
They said this, testing him, so that they might have something against him. But Jesus, with his head bent down, made letters on the floor with his finger.

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