Chronicles II 29:24

24 And the priests slew them, and offered their blood as a propitiation on the altar; and they made atonement for all Israel: for the king said, The whole-burnt-offering, and the sin-offering for all Israel.

Chronicles II 29:24 In-Context

22 And they slew the calves, and the priests received the blood, and poured it on the altar: and they slew the rams, and poured the blood upon the altar: also they slew the lambs, and poured the blood round the altar.
23 And they brought the goats for a sin-offering before the king and the congregation; and laid their hands upon them.
24 And the priests slew them, and offered their blood as a propitiation on the altar; and they made atonement for all Israel: for the king said, The whole-burnt-offering, and the sin-offering for all Israel.
25 And he stationed the Levites in the house of the Lord with cymbals, and lutes, and harps, according to the commandment of king David, and of Gad the king's seer, and Nathan the prophet: for by the commandment of the Lord the order in the hand of the prophets.
26 And the Levites stood with the instruments of David, and the priests with the trumpets.

The Brenton translation of the Septuagint is in the public domain.