Reference for Chullin 70:16

חולין שנעשו על טהרת קדש הרי הן כחולין

For it was taught: Common food kept in the cleanness proper to consecrated food is treated as common food.<span class="x" onmousemove="('comment',' And there does not exist with regard to it a third degree of uncleanness.');">⁷</span>

Jastrow