Numbers 19:9

And a clean man gathered up the ashes of the heifer, and put without the camp in a clean place, and it shall be to the assembly of the sons of Israel for a preservation for a water of uncleanness: it is sin.

Numbers 19:13

All touching upon the dead, upon the soul of man which shall die, and shall not be purified, defiled the dwelling of Jehovah; and that soul was cut off from Israel: for the water of uncleanness was not sprinkled upon him, he shall be unclean; his uncleanness yet upon him.

Hebrews 9:13

For if the blood of bulls and he-goats, and the ashes of a heifer besprinkling the polluted, consecrates to the purity of the flesh:

Numbers 19:20-21

And a man who shall be unclean and shall not be purified, and that soul was cut off from the midst of the gathering, for he defiled the holy place of Jehovah: the water of uncleanness was not sprinkled upon him; he is unclean.

Leviticus 15:20

And every thing which she shall lie upon it in her uncleanness, shall be unclean: and every thing which she shall sit upon it shall be unclean.

Numbers 6:12

And he consecrated to Jehovah the day of his consecration, and he brought a lamb, the son of a year, for trespass: and the former days shall fall because his consecration was defiled.

Numbers 8:7

And thus thou shalt do to them, to cleanse them: sprinkle upon them the water of sin, and they caused a razor to pass over upon all their flesh, and they washed their garments, and they were cleansed.

Numbers 9:13

And the man who is clean, and was not in the way, and failed to do the passover, that soul was cut off from its people; for he brought not the offering of Jehovah at his appointment, that man shall bear his sin.

Numbers 19:18

And a clean man took hyssop and dipped in water and sprinkled upon the tent, and upon all the vessels, and upon the souls which were there, and upon him touching upon a bone, or upon the wounded, or upon the the dead, or upon a grave:

Numbers 31:23-24

Every thing which shall come through fire ye shall make pass through fire, and it was cleansed: only with the water of uncleanness shall it be purified: and all which will not come through the fire ye shall make pass through the water.

Zechariah 13:1

In that day shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for putting away.

2 Corinthians 5:21

For him not knowing sin, he made sin for us; that we might be the justice of God in him.

2 Corinthians 7:1

Therefore having these declarations, dearly let us cleanse ourselves from all defilements of flesh and spirit, perfecting holiness in the fear of God.

Hebrews 7:26

For such a chief priest became us, holy, innocent, undefiled, separated from sinners, and being higher than the heavens;

Treasury of Scripture Knowledge

Summary

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.

Lay them up

General references

Bible References

Clean

Numbers 19:18
And a clean man took hyssop and dipped in water and sprinkled upon the tent, and upon all the vessels, and upon the souls which were there, and upon him touching upon a bone, or upon the wounded, or upon the the dead, or upon a grave:
Numbers 9:13
And the man who is clean, and was not in the way, and failed to do the passover, that soul was cut off from its people; for he brought not the offering of Jehovah at his appointment, that man shall bear his sin.
2 Corinthians 5:21
For him not knowing sin, he made sin for us; that we might be the justice of God in him.
Hebrews 7:26
For such a chief priest became us, holy, innocent, undefiled, separated from sinners, and being higher than the heavens;
Hebrews 9:13
For if the blood of bulls and he-goats, and the ashes of a heifer besprinkling the polluted, consecrates to the purity of the flesh:

Lay them up

Numbers 19:17
And they took for the unclean from the dust of the burning of sin, and living water was given upon it into a vessel:

A water of separation

Leviticus 15:20
And every thing which she shall lie upon it in her uncleanness, shall be unclean: and every thing which she shall sit upon it shall be unclean.
Zechariah 13:1
In that day shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for putting away.
2 Corinthians 7:1
Therefore having these declarations, dearly let us cleanse ourselves from all defilements of flesh and spirit, perfecting holiness in the fear of God.

General references

Leviticus 22:6
The soul which shall touch upon it, and it shall be unclean till the evening, and he shall not eat from the holies, except he washed his flesh in water.
Numbers 19:18
And a clean man took hyssop and dipped in water and sprinkled upon the tent, and upon all the vessels, and upon the souls which were there, and upon him touching upon a bone, or upon the wounded, or upon the the dead, or upon a grave: