Numbers 31:19-24

19And encampH2583 ye without the campH4264 sevenH7651 daysH3117: whosoever hath killedH2026 any personH5315, and whosoever hath touchedH5060 any slainH2026, purifyH2398 yourselves on the thirdH7992 dayH3117 and on the seventhH7637 dayH3117, ye and your captivesH7628. 20And as to every garmentH899, and all that is made of skinH5785, and all workH4639 of goats’H5795 hair, and all things made of woodH6086, ye shall purifyH2398 yourselves.

21And EleazarH499 the priestH3548 saidH559 unto the menH376 of warH4421 that wentH935 to the battleH4421, This is the statuteH2708 of the lawH8451 which Jehovah hath commandedH6680 MosesH4872: 22howbeit the goldH2091, and the silverH3701, the brass, the ironH1270, the tinH913, and the leadH5777, 23everythingH3605 that may abide the fireH784, ye shall make to goH935 through the fireH784, and it shall be cleanH2891; neverthelessH389 it shall be purifiedH2891 with the waterH4325 for impurityH5079: and all that abideth not the fireH784 ye shall make to goH935 through the waterH4325. 24And ye shall washH3526 your clothesH899 on the seventhH7637 dayH3117, and ye shall be cleanH2891; and afterward ye shall comeH935 into the campH4264.