[The distance] from the gutter on the ground to the lower ledge is three and a half feet, and the width [of the ledge] is 21 inches. There are seven feet from the small ledge to the large ledge, [whose] width is also 21 inches.

The ledge is 24 and a half feet long by 24 and a half feet wide, with four equal sides. The rim all around it is 10 and a half inches, and its gutter is 21 inches all around it. The altar's steps face east."

"You must take some of its blood and apply [it] to the four horns of the altar, the four corners of the ledge, and all around the rim. In this way you will purify the altar and make atonement for it.

The priest must take some of the blood from the sin offering and apply [it] to the temple doorposts, the four corners of the altar's ledge, and the doorposts of the gate to the inner court.