Leviticus 15:4-6

Revised Standard Version

⁴ Every bed on which he who has the discharge lies shall be unclean; and everything on which he sits shall be unclean. ⁵ And any one who touches his bed shall wash his clothes, and bathe himself in water, and be unclean until the evening. ⁶ And whoever sits on anything on which he who has the discharge has sat shall wash his clothes, and bathe himself in water, and be unclean until the evening.