Numbers 31:24
And wash ye your garments in the seventh day, and be purified, and afterwards ye shall come into the camp.
Leviticus 11:25
And every one lifting up from their carcass shall cleanse his garment; and be unclean till evening.
Leviticus 14:9
And it was in the seventh day, he shall shave all his hair off his head, and his beard, and the front of his eyes; and all his hair shall he shave off; and he washed his garments, and washed his flesh in water, and was clean.
Leviticus 15:13
And when he flowing shall be cleansed from his flowing, and he numbered to him seven days for his cleansing, and he washed his garments and washed his flesh in living water, and was clean.
Numbers 19:19
And he being clean sprinkled upon the unclean in the third day, and in the seventh day: and he was cleansed in the seventh day, and he washed his garments and bathed in water, and was clean in the evening.