Cedar used in Purifications
Source: Nav
Leviticus 14:4, 6, 49–52
the priest shall order that two live clean birds, cedar wood, scarlet yarn, and hyssop be brought for the one to be cleansed. / And he is to take the live bird together with the cedar wood, scarlet yarn, and hyssop, and dip them into the blood of the bird that was slaughtered over the fresh water. / He is to take two birds, cedar wood, scarlet yarn, and hyssop to purify the house;
Numbers 19:6
The priest is to take cedar wood, hyssop, and scarlet wool and throw them onto the burning heifer.