Tevul Yom 1:5-2:1
T’vul Yom 1:5
Regarding unshelled barley or spelt, as well as various plants that are unfit for human consumption but are occasionally used as spices – and Rabbi Yehuda adds black beans – these remain clean even if touched by an av hatuma, and it goes without saying that such is the case for a t’vul yom; this is the opinion of Rabbi Meir. The Sages, however, say that these things remain clean if touched by a t’vul yom but are rendered unclean by other sources of impurity. Regarding shelled barley or spelt, wheat – both shelled and unshelled – black cumin, sesame and pepper – and Rabbi Yehuda adds white beans – these are rendered unclean when touched by a t’vul yom and it goes without saying that such is the case for other forms of impurity.
T’vul Yom 2:1
The bodily fluids of a t’vul yom are like liquids that he has touched in that neither of them is rendered unclean. Regarding any other person who has been rendered unclean, whether it be with a minor or a major form of impurity, their bodily fluids are like liquids they touched, i.e., both are unclean with first-degree impurity, except for a liquid that’s an av hatuma (like a zav’s saliva).