Numbers 19:9

And a man who is clean shall gather up the ashes of the heifer, and lay them up outside the camp in a clean place. And it shall be kept for the congregation of the sons of Israel for a water for impurity. It is a sin-offering.

Numbers 19:13

Whoever touches a dead person, the body of a man who has died, and does not purify himself, defiles the tabernacle of LORD. And that soul shall be cut off from Israel, because the water for impurity was not sprinkled upon him. He s

Hebrews 9:13

For if the blood of bulls and goats, and the ashes of a heifer, sprinkling those who were defiled, sanctifies for the purification of the flesh,

Numbers 19:20-21

But the man who shall be unclean, and shall not purify himself, that soul shall be cut off from the midst of the assembly, because he has defiled the sanctuary of LORD. The water for impurity has not been sprinkled upon him; he is

Leviticus 15:20

And everything that she lays upon in her impurity shall be unclean. Also everything that she sits upon shall be unclean.

Numbers 6:12

And he shall separate to LORD the days of his separation, and shall bring a he-lamb a year old for a trespass-offering. But the former days shall be void, because his separation was defiled.

Numbers 8:7

And thus thou shall do to them to cleanse them: sprinkle the water of expiation upon them, and let them cause a razor to pass over all their flesh, and let them wash their clothes, and cleanse themselves.

Numbers 9:13

But the man who is clean, and is not on a journey, and forbears to keep the Passover, that soul shall be cut off from his people, because he did not offer the oblation of LORD in its appointed season; that man shall bear his sin.

Numbers 19:18

And a clean man shall take hyssop, and dip it in the water, and sprinkle it upon the tent, and upon all the vessels, and upon the souls who were there, and upon him who touched the bone, or the slain, or the dead, or the grave.

Numbers 31:23-24

everything which may go into fire--ye shall make to go through the fire, and it shall be clean. Nevertheless it shall be purified with the water for impurity. And all that may not go into fire ye shall make to go through the water.

Zechariah 13:1

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

2 Corinthians 5:21

For the man who knew no sin was made sin on our behalf, so that we might become the righteousness of God in him.

2 Corinthians 7:1

Having therefore these promises, beloved, let us cleanse ourselves from every filthiness of flesh and spirit, perfecting holiness in fear of God.

Hebrews 7:26

For such a high priest is fitting for us, devout, innocent, undefiled, separated from sinners, and having become 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 shall take hyssop, and dip it in the water, and sprinkle it upon the tent, and upon all the vessels, and upon the souls who were there, and upon him who touched the bone, or the slain, or the dead, or the grave.
Numbers 9:13
But the man who is clean, and is not on a journey, and forbears to keep the Passover, that soul shall be cut off from his people, because he did not offer the oblation of LORD in its appointed season; that man shall bear his sin.
2 Corinthians 5:21
For the man who knew no sin was made sin on our behalf, so that we might become the righteousness of God in him.
Hebrews 7:26
For such a high priest is fitting for us, devout, innocent, undefiled, separated from sinners, and having become higher than the heavens.
Hebrews 9:13
For if the blood of bulls and goats, and the ashes of a heifer, sprinkling those who were defiled, sanctifies for the purification of the flesh,

Lay them up

Numbers 19:17
And for the unclean they shall take of the ashes of the burning of the sin-offering, and running water shall be put with that in a vessel.

A water of separation

Leviticus 15:20
And everything that she lays upon in her impurity shall be unclean. Also everything that she sits upon shall be unclean.
Zechariah 13:1
In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for sin and for uncleanness.
2 Corinthians 7:1
Having therefore these promises, beloved, let us cleanse ourselves from every filthiness of flesh and spirit, perfecting holiness in fear of God.

General references

Leviticus 22:6
the soul that touches any such shall be unclean until the evening. And shall not eat of the holy things unless he bathe his flesh in water.
Numbers 19:18
And a clean man shall take hyssop, and dip it in the water, and sprinkle it upon the tent, and upon all the vessels, and upon the souls who were there, and upon him who touched the bone, or the slain, or the dead, or the grave.