Numbers 31:19

“You are to remain outside the camp for seven days. All of you and your prisoners who have killed a person or touched the dead are to purify yourselves on the third day and the seventh day.

Numbers 5:2

“Command the Israelites to send away anyone from the camp who is afflicted with a skin disease, anyone who has a bodily discharge, or anyone who is defiled because of a corpse.

Numbers 19:11-22

“The person who touches any human corpse will be unclean for seven days.

1 Chronicles 22:8

but the word of the Lord came to me: ‘You have shed much blood and waged great wars. You are not to build a house for My name because you have shed so much blood on the ground before Me.

Treasury of Scripture Knowledge

Summary

And do ye abide without the camp seven days: whosoever hath killed any person, and whosoever hath touched any slain, purify both yourselves and your captives on the third day, and on the seventh day.

Bible References

Abide

Numbers 5:2
“Command the Israelites to send away anyone from the camp who is afflicted with a skin disease, anyone who has a bodily discharge, or anyone who is defiled because of a corpse.
Numbers 19:11
“The person who touches any human corpse will be unclean for seven days.
1 Chronicles 22:8
but the word of the Lord came to me: ‘You have shed much blood and waged great wars. You are not to build a house for My name because you have shed so much blood on the ground before Me.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.