to a limb of an offering, which is all connected together so that it forms a single unit, and one can say that if fire took hold of part of it, all of it is considered the food of the altar, and therefore it is returned to the altar if it came down; but with regard to a handful, which consists of separate pieces, perhaps only the part that the fire took hold of is returned to the altar, but as for the rest you might say that it does not ascend again. Therefore, Ulla teaches us that the same halakha applies to the handful as to a limb, i.e., if it descended from the altar after fire already took hold of any part of it, it ascends once again in its entirety to the altar.
אמר רב אחאי: הלכך, האי קומץ פיגול, דפלגיה מחית אארעא ופלגיה אסקיה אמערכה, ומשלה בו האור – מסיקנא ליה לכוליה לכתחלה.
Rav Aḥai says: Since the handful is considered one unit, therefore, in the case of this handful of piggul, half of which lies on the ground and half of which was brought up to the wood arrangement on the altar and the fire took hold of it, one brings all of it up to the altar ab initio.
אמר רבי יצחק אמר רבי יוחנן: הפיגול והנותר והטמא שהעלן לגבי מזבח – פקע איסור מהן. אמר רב חסדא: מרי דיכי; מזבח – מקוה טהרה?! אמר רבי זירא: שמשלה בהן האור.
R' Yitzḥak says that R' Yoḥanan says: With regard to piggul, notar, i.e., offerings that remain after the time allotted for their consumption, and ritually impure flesh, where one brought them up to the altar, their prohibition has left them. Rav Ḥisda said in astonishment: Teacher of this halakha, is the altar a bath of ritual purification that can render an impure item pure? R' Zeira says: This is referring to a case where the fire took hold of them, and therefore the item belongs to the altar and the prohibition lapses.