Leviticus 14:5-6

14:5 The priest will then command that one bird be slaughtered into a clay vessel over fresh water. 14:6 Then he is to take the live bird along with the piece of cedar wood, the scrap of crimson fabric, and the twigs of hyssop, and he is to dip them and the live bird in the blood of the bird slaughtered over the fresh water,

Leviticus 14:50-52

14:50 and he is to slaughter one bird into a clay vessel over fresh water. 14:51 He must then take the piece of cedar wood, the twigs of hyssop, the scrap of crimson fabric, and the live bird, and dip them in the blood of the slaughtered bird and in the fresh water, and sprinkle the house seven times. 14:52 So he is to decontaminate the house with the blood of the bird, the fresh water, the live bird, the piece of cedar wood, the twigs of hyssop, and the scrap of crimson fabric,

Leviticus 15:13

Purity Regulations for Male Bodily Discharges

15:13 “‘When the man with the discharge becomes clean from his discharge he is to count off for himself seven days for his purification, and he must wash his clothes, bathe in fresh water, and be clean.