Numbers 19:9

A man who is clean will collect the ashes from the cow and put them in a clean place outside the camp. They will be kept by the congregation of Israel and used in the water that takes away uncleanness. The cow is an offering for sin.

Numbers 19:13

Those who touch a corpse and do not purify themselves remain unclean. This is because the water for purification has not been thrown over them. They defile Jehovah's tent, and they will no longer be considered God's people.

Hebrews 9:13

The blood of goats and bulls, and the ashes from the burning of a young cow, sprinkled on the unclean made them outwardly clean.

Numbers 19:20-21

If the person who becomes unclean does not have his sin taken away, that person must be excluded from the assembly. He has made the holy place of Jehovah unclean. The water to take away uncleanness was not sprinkled on him. He is unclean.

Leviticus 15:20

Everything she lies on or sits on during her period will be unclean.

Numbers 6:12

Once again he will dedicate himself to Jehovah as a Nazirite for the same length of time as before. He must bring a one-year-old male lamb as an offering for guilt. The first time period will not count. He has to start over from when he became unclean.

Numbers 8:7

This is what you must do to make them clean: Sprinkle them with water to take away their sins. Make them shave their whole bodies and wash their clothes. Then they will be clean.

Numbers 9:13

If you are clean and not on a trip and yet do not bother to celebrate the Passover, you must be excluded from the people. You did not bring your offering to Jehovah at the right time. You must suffer the consequences for your sin.

Numbers 19:18

A person who is clean will take a sprig of hyssop, dip it in the water, and sprinkle the tent, all the furnishings, and all the people who were in the tent with the dead body. He must also sprinkle any person who has touched a human bone or a grave and any person who has touched someone who has been killed or who has died naturally.

Numbers 31:23-24

everything that can stand the fire, you shall pass through the fire, and it will be clean. It must be purified with water for impurity. Anything that cannot stand the fire you shall pass through the water.

Zechariah 13:1

A fountain for sin and for uncleanness will be opened for the house of David.

2 Corinthians 5:21

He made the one who knew no sin to be sin on our behalf. That way we might become the righteousness of God in him.

2 Corinthians 7:1

Having these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness with deep reverence for God.

Hebrews 7:26

Such a high priest as this was suitable for us. He is holy, harmless, undefiled, separated from sinners, and 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
A person who is clean will take a sprig of hyssop, dip it in the water, and sprinkle the tent, all the furnishings, and all the people who were in the tent with the dead body. He must also sprinkle any person who has touched a human bone or a grave and any person who has touched someone who has been killed or who has died naturally.
Numbers 9:13
If you are clean and not on a trip and yet do not bother to celebrate the Passover, you must be excluded from the people. You did not bring your offering to Jehovah at the right time. You must suffer the consequences for your sin.
2 Corinthians 5:21
He made the one who knew no sin to be sin on our behalf. That way we might become the righteousness of God in him.
Hebrews 7:26
Such a high priest as this was suitable for us. He is holy, harmless, undefiled, separated from sinners, and higher than the heavens.
Hebrews 9:13
The blood of goats and bulls, and the ashes from the burning of a young cow, sprinkled on the unclean made them outwardly clean.

Lay them up

Numbers 19:17
Do this for people who become unclean from touching a dead body. Put some of the ashes from the red cow that was burned as an offering for sin into a container. Then pour fresh water on them.

A water of separation

Leviticus 15:20
Everything she lies on or sits on during her period will be unclean.
Zechariah 13:1
A fountain for sin and for uncleanness will be opened for the house of David.
2 Corinthians 7:1
Having these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness with deep reverence for God.

General references

Leviticus 22:6
Any priest who becomes unclean remains unclean until evening. Even then he may not eat any of the sacred offerings until he has taken a bath.
Numbers 19:18
A person who is clean will take a sprig of hyssop, dip it in the water, and sprinkle the tent, all the furnishings, and all the people who were in the tent with the dead body. He must also sprinkle any person who has touched a human bone or a grave and any person who has touched someone who has been killed or who has died naturally.