Numbers 19:21

This will be a long lasting law for them. He who sprinkles the water to take away uncleanness must wash his clothes. He who touches this water will be unclean until evening.

Leviticus 11:25

When you carry any part of their dead bodies you must wash your clothes. You will be unclean until evening.

Leviticus 11:40

Those who eat any of its dead body must wash their clothes. They will be unclean until evening. Those who carry its dead body away will wash their clothes and will be unclean until evening.

Leviticus 16:26-28

The man who released the goat to Azazel must wash his clothes and his body. Then he may return to the camp.

Hebrews 7:19

The Law could not make anything perfect. A better hope has been provided through which we can draw near to God.

Hebrews 9:10

since they have to do only with food, drink, and various purification ceremonies. These are all outward rules, which apply only until the time comes to change them for something better.

Hebrews 9:13-14

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

Hebrews 10:4

It is not possible for the blood of bulls and of goats to take away sins.

Treasury of Scripture Knowledge

Summary

And it shall be a perpetual statute unto them, that he that sprinkleth the water of separation shall wash his clothes; and he that toucheth the water of separation shall be unclean until even.

Bible References

General references

Leviticus 11:25
When you carry any part of their dead bodies you must wash your clothes. You will be unclean until evening.
Leviticus 16:26
The man who released the goat to Azazel must wash his clothes and his body. Then he may return to the camp.
Hebrews 7:19
The Law could not make anything perfect. A better hope has been provided through which we can draw near to God.
Hebrews 9:10
since they have to do only with food, drink, and various purification ceremonies. These are all outward rules, which apply only until the time comes to change them for something better.
Hebrews 10:4
It is not possible for the blood of bulls and of goats to take away sins.