2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
Chapter 30
17for many are in the assembly who have not sanctified themselves, and the Levites are over the slaughtering of the passover-offerings for every one not clean, to sanctify him to Jehovah:
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.