Reference for Pesachim 41:2

אמר ר' יוסי בר' חנינא מחלוקת שנפלה לפחות ממאה סאה חולין טמאין

is where it falls into less than one hundred se'ahs of unclean hullin;<span class="x" onmousemove="('comment',' The terumah in the upper vat being a se'ah. If terumah falls into one hundred times as much hullin it is nullified and permitted to a lay Israelite; if less, it is not nullified.');">³</span> but if it falls into one hundred [se'ahs] unclean hullin, all agree that it must descend and be defiled, and he must not defile it with [his own] hands.<span class="x" onmousemove="('comment',' Since it will still be fit for a lay Israelite.');">⁴</span>

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