Numbers 31:20
Furthermore, you are to purify every garment that is, everything made of leather, goat's hair, or containing wood."
Genesis 35:2
Jacob announced to his household and to everyone with him, "Throw away the foreign gods that you've kept among you, purify yourselves, and change your clothes.
Exodus 19:10
The LORD told Moses, "Go to the people and consecrate them today and tomorrow. They must wash their clothes,
Numbers 19:14-16
"This is the procedure to follow when a man dies in his tent: Everyone who enters the tent and everyone in it is to remain unclean for seven days.
Numbers 19:22
Furthermore, anything that the unclean person touches is to be considered unclean and the person who touches him is to be considered unclean until the evening."