Exodus 24:8

Exodus 24:6 NIV
Moses took half of the blood and put it in bowls, and the other half he splashed against the altar.

Ezekiel 36:25 NIV
I will sprinkle clean water on you, and you will be clean; I will cleanse you from all your impurities and from all your idols.

Hebrews 10:4-5 NIV
It is impossible for the blood of bulls and goats to take away sins. Therefore, when Christ came into the world, he said: “Sacrifice and offering you did not desire, but a body you prepared for me;