Reference for Yevamot 199:13
הניחא לר' אלעזר אלא לרבנן מאי איכא למימר דעביד לה כר' אלעזר ברבי שמעון דתניא ר' אלעזר בר' שמעון אומר הקומץ קרב לעצמו והשירים מתפזרין על בית הדשן ואפילו רבנן לא פליגי עליה דרבי אלעזר ברבי שמעון אלא במנחת חוטא של כהנים דבת הקרבה היא אבל הכא אפי' רבנן מודו:
— One proceeds in accordance with a ruling of R. Eleazar son of R. Simeon. For it was taught: R. Eleazar son of R. Simeon said: The handful is offered up separately and the remnants are scattered over the enclosure of the sacrificial ashes.<span class="x" onmousemove="('comment',' [H] Sot. 23a, Men. 74a. A place near the altar, where a certain portion of the ashes of the altar was deposited. ');"><sup>35</sup></span> And even the Rabbis differ from R. Eleazar only in respect of a priestly sinner's meal-offering which is suitable for offering up;<span class="x" onmousemove="('comment',' In its entirety, as is the case with a priest's voluntary meal-offering. ');"><sup>36</sup></span> but here,<span class="x" onmousemove="('comment',' Where there is the possibility that it is not the offering of a priest at all. ');"><sup>37</sup></span>