Numbers 19:9
“And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.”
Then the priest shall wash his clothes, and he shall bathe his flesh in water, and afterward he shall come into the camp, and the priest shall be unclean until the even.
And he that burneth her shall wash his clothes in water, and bathe his flesh in water, and shall be unclean until the even.
And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.
And he that gathereth the ashes of the heifer shall wash his clothes, and be unclean until the even: and it shall be unto the children of Israel, and unto the stranger that sojourneth among them, for a statute for ever.
He that toucheth the dead body of any man shall be unclean seven days.
Why This Verse Was Tagged
This verse was identified through meaning similarity — its content is mathematically close to known verses in this theme, even without sharing the same vocabulary.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him.”
“For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh:”
“For such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens;”
“But the man that shall be unclean, and shall not purify himself, that soul shall be cut off from among the congregation, because he hath defiled the sanctuary of the Lord: the water of separation hath not been sprinkled upon him; he is unclean.”
“In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem for sin and for uncleanness.”