The laggart priests and Levites, who from want of zeal for the Yahweh-worship, or from actual inclination to idolatry, had neglected to purify themselves (2 Chronicles 30:3 and marginal reference), were now shamed by the general ardor, and sanctified themselves for the Paschal festival.
And brought in the burnt offerings - Received them, i. e. from the offerers at the doors of the inner court, and took them up to the brass altar in front of the porch. No part of the burnt offerings was ever taken inside the temple building.