וְנָתַן֩ בַּיּ֨וֹם הַה֤וּא מוֹפֵת֙ לֵאמֹ֔ר זֶ֣ה הַמּוֹפֵ֔ת אֲשֶׁ֖ר דִּבֶּ֣ר יְהוָ֑ה הִנֵּ֤ה הַמִּזְבֵּ֙חַ֙ נִקְרָ֔ע וְנִשְׁפַּ֖ךְ הַדֶּ֥שֶׁן אֲשֶׁר־עָלָֽיו׃
And he gave a sign the same day saying: ‘This is the sign which the LORD hath spoken: Behold, the altar shall be rent, and the ashes that are upon it shall be poured out.’
Leviticus
The kohein shall dress in his linen garment and he shall wear linen pants on his [body] skin; and he shall separate the ashes when the fire consumes the burnt-offering on the altar and place it next to the altar.
Leviticus
He shall [then] remove his garments and dress in other garments. He shall take out the ashes beyond the encampment, to a pure [undefiled] place.