Verses 1-10: The Red Heifer Ordinance. God commands the Israelites to bring a red heifer without blemish, which is to be sacrificed outside the camp. The priest sprinkles its blood, burns the entire animal with cedar wood, hyssop, and scarlet, and the ashes are gathered for purification purposes.
Verses 11-16: Laws of Uncleanness from Contact with Death. These verses describe the uncleanness incurred by touching a dead body or entering a tent where someone has died, including the duration of uncleanness and the defilement of vessels.
Verses 17-22: The Purification Ritual Using Ashes. Instructions are given for mixing the ashes with water and sprinkling it on the unclean on the third and seventh days, with emphasis on the necessity of this purification to avoid being cut off from Israel. The chapter concludes with statutes about the handling of the water of separation and the spread of uncleanness.