And ye shall wash your clothes on the seventh day, and ye shall be clean, and afterward ye shall come into the camp.
Numbers 19:19
And the clean person shall sprinkle upon the unclean on the third day, and on the seventh day: and on the seventh day he shall purify himself, and wash his clothes, and bathe himself in water, and shall be clean at even.
Leviticus 11:25
And whosoever beareth ought of the carcase of them shall wash his clothes, and be unclean until the even.
Leviticus 14:9
But it shall be on the seventh day, that he shall shave all his hair off his head and his beard and his eyebrows, even all his hair he shall shave off: and he shall wash his clothes, also he shall wash his flesh in water, and he shall be clean.
Leviticus 15:13
And when he that hath an issue is cleansed of his issue; then he shall number to himself seven days for his cleansing, and wash his clothes, and bathe his flesh in running water, and shall be clean.