His linen garment, i.e. his linen coat, of which see Exodus 28:39,40. The ashes are said to be consumed improperly, When the wood is consumed into ashes; as meal is said to be ground, Isaiah 47:2, when the corn is ground into meal; and the naked to be stripped of their clothing, Job 22:6, when by being stripped they are made naked.
Related Commentaries of Leviticus 6:10
Leviticus 6:10
10 And the priest shall put on his linen garment, and his linen breeches shall he put upon his flesh, and take up the ashes which the fire hath consumed with the burnt offering on the altar, and he shall put them beside the altar.