Numbers 5:17

The priest will then take holy water in a piece of pottery and put some dust from the floor of the tent into the water.

Exodus 30:18

Make a copper basin with a bronze stand for washing. Put it between the tent of meeting and the altar, and fill it with water.

Numbers 19:2-9

This is a requirement of the law Jehovah has commanded: 'Tell the Israelites to bring you a red cow that is perfect, with no defects. Also, it must never have worn a yoke.

Job 2:12

They saw him from a distance and did not even recognize him. They cried out loud and wept. Each of them tore his clothes in grief. They threw dust on their heads.

Jeremiah 17:13

You will put to shame all that forsake you, O Jehovah, the hope of Israel. Those who turn away on earth will be written down, for they have forsaken Jehovah, the fountain of living water.

Lamentations 3:29

Let him put his mouth in the dust for perhaps there exists hope.

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 a requirement of the law Jehovah has commanded: 'Tell the Israelites to bring you a red cow that is perfect, with no defects. Also, it must never have worn a yoke.
Exodus 30:18
Make a copper basin with a bronze stand for washing. Put it between the tent of meeting and the altar, and fill it with water.

Of the dust

Job 2:12
They saw him from a distance and did not even recognize him. They cried out loud and wept. Each of them tore his clothes in grief. They threw dust on their heads.
Jeremiah 17:13
You will put to shame all that forsake you, O Jehovah, the hope of Israel. Those who turn away on earth will be written down, for they have forsaken Jehovah, the fountain of living water.
Lamentations 3:29
Let him put his mouth in the dust for perhaps there exists hope.