Numbers 5:17

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

Exodus 30:18

Thou shall also make a laver of brass, and the base of it of brass for washing. And thou shall put it between the tent of meeting and the altar, and thou shall put water in it.

Numbers 19:2-9

This is the statute of the law which LORD has commanded, saying, Speak to the sons of Israel, that they bring thee a red heifer without spot, in which is no blemish, [and] upon which a yoke never came.

Job 2:12

And when they lifted up their eyes afar off, and did not recognize him, they lifted up their voice, and wept. And each one tore his robe, and sprinkled dust upon their heads toward heaven.

Jeremiah 17:13

O LORD, the hope of Israel, all who forsake thee shall be put to shame. Those who depart from me shall be written in the earth, because they have forsaken LORD, the fountain of living waters.

Lamentations 3:29

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

John 8:6

But they said this, trying him, so that they might have an accusation against him. But Jesus having stooped down, wrote on the ground with his finger, not pretending.

John 8:8

And again having stooped down, he wrote on the ground.

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 statute of the law which LORD has commanded, saying, Speak to the sons of Israel, that they bring thee a red heifer without spot, in which is no blemish, [and] upon which a yoke never came.
Exodus 30:18
Thou shall also make a laver of brass, and the base of it of brass for washing. And thou shall put it between the tent of meeting and the altar, and thou shall put water in it.

Of the dust

Job 2:12
And when they lifted up their eyes afar off, and did not recognize him, they lifted up their voice, and wept. And each one tore his robe, and sprinkled dust upon their heads toward heaven.
Jeremiah 17:13
O LORD, the hope of Israel, all who forsake thee shall be put to shame. Those who depart from me shall be written in the earth, because they have forsaken LORD, the fountain of living waters.
Lamentations 3:29
Let him put his mouth in the dust, if so be there may be hope.
John 8:6
But they said this, trying him, so that they might have an accusation against him. But Jesus having stooped down, wrote on the ground with his finger, not pretending.