Leviticus 11:36-37

11:36 However, a spring or a cistern which collects water will be clean, but one who touches their carcass will be unclean. 11:37 Now, if such a carcass falls on any sowing seed which is to be sown, it is clean,

Leviticus 13:17

13:17 The priest will then examine it, and if the infection has turned white, the priest is to pronounce the person with the infection clean – he is clean.

Leviticus 13:41

13:41 If his head is bare on the forehead so that he is balding in front, he is clean.