Numbers 19:5

19:5 Then the heifer must be burned in his sight – its skin, its flesh, its blood, and its offal is to be burned.

Numbers 19:8

19:8 The one who burns it must wash his clothes in water and bathe himself in water. He will be ceremonially unclean until evening.

Numbers 31:10

31:10 They burned all their towns where they lived and all their encampments.

Numbers 16:39

16:39 So Eleazar the priest took the bronze censers presented by those who had been burned up, and they were hammered out as a covering for the altar.