[Regarding] mei chatas that became disqualified, one may not mix it into mortar, so he will not make it a stumbling block to others. R’ Yehudah says: It is nullified.  [Regarding] a cow that drank mei chatas, its flesh is tamei for a period of twen-ty-four hours. R’ Yehudah says: [The mei chatas] is nullified in [the cow’s] intestines.

[Regarding] mei chatas and chatas ashes, one may not transport them across a river and in a boat, nor may he float them on the surface of the water, nor may he stand on one side [of the river] and throw them to the [other] side. But he may cross [the river] with water up to his neck.  One who is tahor for chatas [purposes] may cross [the river] with an empty vessel that is tahor for chatas in his hands, and with unconsecrated water.

[Concerning] valid ashes that became mixed with ashes from a stove, we follow the majority [with regard] to conveying tu-mah, but we may not consecrate [mei chatas] with [the mixture]. R’ Eliezer says: We can consecrate [mei chatas] with all of [the mixture].

[Regarding] mei chatas that became disqualified, it renders tamei someone who is tahor for terumah through [contact with] his hands or his body. But [with respect to] someone who is tahor for chatas, [it renders him tamei] neither through [contact with] his hands nor through [contact with] his body.  [If the mei chatas] became tamei, it renders tamei one who is tahor for terumah through [contact with] his hands or his body. And [with respect to] someone who is tahor for chatas, [it renders him tamei] through [contact with] his hands, but not through [contact with] his body.