Leviticus 4:30

Overview - Leviticus 4
The sin offering of ignorance;
for the priest;
13 for the congregation;
22 for the ruler;
27 for any of the people;
Treasury of Scripture Knowledge

Leviticus 4:30  (King James Version)
And the priest shall take of the blood thereof with his finger, and put it upon the horns of the altar of burnt offering, and shall pour out all the blood thereof at the bottom of the altar.

upon the horns
Leviticus 4:25 Leviticus 4:34 ; Isaiah 42:21 ; Romans 8:3 Romans 8:4 ; 10:4 Hebrews 2:10

pour out
There may have been some place at the bottom of the altar to receive and carry off the blood.