וְכָל־הַנֹּגֵ֔עַ בְּכָל־כְּלִ֖י אֲשֶׁר־תֵּשֵׁ֣ב עָלָ֑יו יְכַבֵּ֧ס בְּגָדָ֛יו וְרָחַ֥ץ בַּמַּ֖יִם וְטָמֵ֥א עַד־הָעָֽרֶב׃
And whosoever toucheth any thing that she sitteth upon shall wash his clothes, and bathe himself in water, and be unclean until the even.
Find Mishnaic references to Leviticus 15:22: , passages from the 63 tractates of the Mishnah.