Numbers 19:9 References

9 'Now a man who is clean shall gather up the ashes of the heifer and deposit them outside the camp in a clean place, and the congregation of the sons of Israel shall keep it as awater to remove impurity; it is purification from sin.

a Numbers 8:7, Numbers 31:23

Numbers 8

7 "Thus you shall do to them, for their cleansing: sprinkle purifying awater on them, and let them buse a razor over their whole body and cwash their clothes, and they will be clean.

Numbers 31

23 everything that can stand the fire, you shall pass through the fire, and it shall be clean, but it shall be purified with awater for impurity. But whatever cannot stand the fire you shall pass through the water.