Answer From The Annual Reading Schedule - Week 36 Notes For Numbers: For cleansing from sin (Numbers 19:9). What sin? This shows another example, similar to Leviticus 5, that indicates the likelihood that uncleanness, even if for seemingly innocent things like being inside a room with a dead body as many do when loved ones pass away, is still a sin. The uncleanness itself is a sin. For more information about uncleanness and the question of whether or not it is a sin to be unclean, see reading notes for Week 23. Also, remember that 1 Corinthians 6:19 teaches us that our body is also the Dwelling Place also – so maybe this is also related as well.