Vayikra 13:56-58

Orthodox Jewish Bible

⁵⁶ And if the kohen examine, and, hinei, the nega be somewhat faded after the washing of it, then he shall tear it out of the garment, or out of the leather, or out of the warp, or out of the woof;

⁵⁷ And if it appear still in the garment, either in the warp, or in the woof, or in any thing of leather, it is a spreading nega; thou shalt burn that wherein the nega is with eish.

⁵⁸ And the garment, either warp, or woof, or whatsoever thing of leather it be, which thou shalt wash, if the nega be departed from them, then it shall be washed the second time, and shall be tahor.