38. Then the kohen shall go out of the bais to the entrance of the bais, and quarantine the bais seven days;
39. And the kohen shall come again the yom hashevi'i, and shall inspect; and, hinei, if the nega be spread in the walls of the bais,
40. Then the kohen shall command that they tear down the stones in which the nega is, and they shall throw them into a makom tamei outside the town;
41. And he shall cause the bais to be scraped within around, and they shall pour out the afar (dust) that they scrape off outside the town into a makom tamei;