Targum zu Wajikra 10:16

And on this day three goats shall be offered; the goat for the beginning of the month, (or, new moon,) the goat of the people's sin offering, and the goat for the sin offering which Nachson bar Aminadab hath brought for the dedication of the altar. And Aharon and his sons went and burned those three. (But) Mosheh came and inquired for the goat of the people's sin offering; he sought it, but, behold, it had been burned, and he was angry with Elasar and Ithamar, the sons of Aharon who were left, and said,