[Regarding] produce that fell into a channel of water, [and] someone whose hands were tamei stretched [out his hand] and took it, his hands are tahor, and the produce is tahor. But if he intended that his hands be rinsed, his hands are tahor, but the produce is included in [the law of] ”if [water] is placed.”

[Regarding] a pot that is full of water and it was placed in a mikveh and an av hatumah stretched out his hand [and inserted it] into [the pot], [the pot is] tamei. [If the person was tamei through] contact with [a source of] tumah, [the pot] is tahor. But [as for] all other liquids, [they are] tamei, because water does not purify other liquids.

[Regarding] one who fills an irrigation pipe, until three days [have elapsed], it is tamei. R’ Akiva says: If [the water in the pipe] dried up, it is tahor immediately. But if it did not dry, even until thirty days [have passed], it is tamei.

[Regarding] logs upon which a liquid fell and then rain fell on them, if [the volume of rainwater] exceeded [the volume of the liquid], it is tahor. [If] he took [the logs] outside so that rain should fall on them, [then] even though [the volume of rainwa-ter] exceeded [the volume of the liquid], it is tamei.  [If the logs] absorbed tamei liquids, [then] even though he took them outside so rain should fall on them, [the rainwater] is tahor. But he should kindle them only with tahor hands. R’ Shimon says: If [the logs] were moist and he kindled them, and the [volume of the] liquid they exuded was greater than the [volume of the] liquid they absorbed, [the liquid] is tahor.