Reference for Menachot 191:19

והאיכא קנים קנים שקועי משקע להו

Rabbi was asked, How do you know it? And he replied, Behold it is written, And he said unto me, This is the place where the priests shall boil the guilt-offering and the sin-offering, where they shall bake the meal-offering; that they bring them not forth in the outer court.<span class="x" onmousemove="('comment',' Ezek. XLVI, 20.');">²²</span>

Jastrow