An individual awaiting sunset for purification - "Tevul Yom"
Please be aware that the term "Tevul Yom" refers to a person who is currently impure, and will become pure at sunset.Purification
Time when a Tevul Yom is allowed to eat terumah: Berachot 2a-b, Pesachim 35aCommunication of impurityConduct while one is a Tevul Yom
At what point a Tevul Yom may begin to eat Temple Offerings in Purity: Pesachim 35a; Keritot 10a
Achieving purification even without bringing his offerings of purification: Berachot 2a-b