Deuteronomy 2:15

2:15 Indeed, it was the very hand of the Lord that eliminated them from within the camp until they were all gone.

Deuteronomy 23:9

Purity in Personal Hygiene

23:9 When you go out as an army against your enemies, guard yourselves against anything impure.

Deuteronomy 23:11

23:11 When evening arrives he must wash himself with water and then at sunset he may reenter the camp.

Deuteronomy 29:11

29:11 your infants, your wives, and the foreigners living in your encampment, those who chop wood and those who carry water –