Deuteronomy 23:10 References

10 "aIf there is among you any man who is unclean because of a nocturnal emission, then he must go outside the camp; he may not reenter the camp.

a Leviticus 15:16

Leviticus 15

16 'aNow if a man has a seminal emission, he shall bathe all his body in water and be unclean until evening.