Reference for Yoma 121:4

הכהנים כמשמען עם הקהל אלו ישראל יכפר אלו הלוים הושוו כולן לכפרה אחת שכולן מתכפרין בשעיר המשתלח בשאר עבירות דברי ר' יהודה

LIKEWISE IN MATTERS OF THE SANCTUARY AND THE GOLDEN ALTAR: Our Rabbis taught: And he shall make atonement for the most holy place,<span class="x" onmousemove="('comment',' Lev. XVI, 33.');">⁴</span> i.e., the Holy of Holies [for] The tent of meeting, i.e., the Sanctuary;<span class="x" onmousemove="('comment',' These sprinklings atone for any impurity that occurred in the Holy of Holies or the Sanctuary, if any person should have entered there unwittingly in a state of impurity. V. Shebu. 7b.');">⁵</span>

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