2 Chronicles 30:17

17 for there were many in the assembly who had not consecrated themselves, and so the Levites were in charge of slaughtering the Passover lambs for every
unclean: When something is clean, it is holy or acceptable to God. When it is unclean, it is unholy (such as an unclean spirit). The term can be used in a ritual sense to apply to moral standards for living.
unclean person to consecrate the lambs to the Lord. b
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