Numbers 16:7

16:7 put fire in them, and set incense on them before the Lord tomorrow, and the man whom the Lord chooses will be holy. You take too much upon yourselves, you sons of Levi!”

Numbers 16:17

16:17 And each of you take his censer, put incense in it, and then each of you present his censer before the Lord: 250 censers, along with you, and Aaron – each of you with his censer.”

Numbers 16:47

16:47 So Aaron did as Moses commanded and ran into the middle of the assembly, where the plague was just beginning among the people. So he placed incense on the coals and made atonement for the people.