Reference for Leviticus 15:27

וְכָל־הַנּוֹגֵ֥עַ בָּ֖ם יִטְמָ֑א וְכִבֶּ֧ס בְּגָדָ֛יו וְרָחַ֥ץ בַּמַּ֖יִם וְטָמֵ֥א עַד־הָעָֽרֶב׃

And whosoever toucheth those things shall be unclean, and shall wash his clothes, and bathe himself in water, and be unclean until the even.

BDB