Yoma4: 3
שְׁחָטוֹ, וְקִבֵּל בְּמִזְרָק אֶת דָּמוֹ וּנְתָנוֹ לְמִי שֶׁהוּא מְמָרֵס בּוֹ עַל הָרוֹבֵד הָרְבִיעִי שֶׁבַּהֵיכָל, כְּדֵי שֶׁלֹּא יִקְרֹשׁ. נָטַל מַחְתָּה וְעָלָה לְרֹאשׁ הַמִּזְבֵּחַ, וּפִנָּה גֶחָלִים אֵילֵךְ וְאֵילֵךְ, וְחוֹתֶה מִן הַמְעֻכָּלוֹת הַפְּנִימִיּוֹת, וְיָרַד, וְהִנִּיחָהּ עַל הָרוֹבֶד הָרְבִיעִי שֶׁבָּעֲזָרָה.
He slaughtered it, received its blood in a basin and gave it to someone who would stir it on the fourth row [of pavement stones] from the Temple, so that it should not coagulate.  He took a shovel and went up to the top of the Altar, cleared away the coals to one side and the other, scooped up from the burned innermost [coals], descended, and put it down on the fourth row in the Courtyard.