Deuteronomy 21:6

And all the old men of that city being near to him wounded, shall wash their hands over the heifer having her neck broken in the valley:

Psalm 26:6

I will wash my hands in cleanness, and I will surround thine altar, O Jehovah:

Psalm 73:13

Surely in vain I cleansed my heart, and I will wash my hands in cleanness.

Job 9:30

If I washed myself in snow-water, and cleansed my hands clean;

Psalm 19:12

Who will understand errors? acquit me from hidden things.

Psalm 51:2

Multiply to wash me from mine iniquity, and cleanse me from my sin.

Psalm 51:7

Thou wilt purify me with hyssop, and I shall be clean: thou wilt wash me and I shall be white above snow.

Psalm 51:14

Deliver me from bloods, O God the God of my salvation; my tongue shall rejoice in thy justice.

Jeremiah 2:22

For if thou shalt wash thyself with nitre, and thou shalt increase to thee cleansing, thine iniquity was graven before me, says the Lord Jehovah.

Matthew 27:24-25

And Pilate, seeing that it profits nothing, but there is rather an uproar, having taken water, he washed his hands before the crowd, saying, I am guiltless of the blood of this just one: ye shall see yourselves.

Hebrews 9:10

Only in food and drinks, and different immersions, and precepts of the flesh, being placed till the time of amendment.

Treasury of Scripture Knowledge

Summary

And all the elders of that city, that are next unto the slain man, shall wash their hands over the heifer that is beheaded in the valley:

Bible References

Wash their hands

Job 9:30
If I washed myself in snow-water, and cleansed my hands clean;
Psalm 19:12
Who will understand errors? acquit me from hidden things.
Psalm 26:6
I will wash my hands in cleanness, and I will surround thine altar, O Jehovah:
Psalm 51:2
Multiply to wash me from mine iniquity, and cleanse me from my sin.
Psalm 73:13
Surely in vain I cleansed my heart, and I will wash my hands in cleanness.
Jeremiah 2:22
For if thou shalt wash thyself with nitre, and thou shalt increase to thee cleansing, thine iniquity was graven before me, says the Lord Jehovah.
Matthew 27:24
And Pilate, seeing that it profits nothing, but there is rather an uproar, having taken water, he washed his hands before the crowd, saying, I am guiltless of the blood of this just one: ye shall see yourselves.
Hebrews 9:10
Only in food and drinks, and different immersions, and precepts of the flesh, being placed till the time of amendment.