Seven days shall they purge the altar and purify it; and they shall consecrate themselves.
Leviticus 8:34 As he has done this day, so the LORD has commanded to do, to make an atonement for you.
consecrate themselves [heb] fill their hands
Exodus 29:24 And you shall put all in the hands of Aaron, and in the hands of his sons; and shall wave them for a wave offering before the LORD.
Exodus 32:29 For Moses had said, Consecrate yourselves today to the LORD, even every man on his son, and on his brother...