1)
What division is the Pasuk referring to?
1.
Rashi: Drinking and not drinking wine before performing the Avodah divide between Avodah that is holy and Avodah that is profane - indicating that a Kohen who performs the Avodah after drinking wine desecrates the Avodah, thereby invalidating it. 1
2.
Kerisos, 13b: "u'Lehavdil bein ha'Kodesh u'Bein ha'Chol" refers to the Dinim of Damim ('D'mei Cheifetz Zeh alai'), Erchin, Charamim and Hekdeishos and "u'Vein ha'Tamei u'Vein ha'Tahor", to Tum'os and Taharos. 2