US law requires wine with Total Sulfites over 10 parts per million (ppm) to have warning CONTAINS SULFITES. US maximum sulfite limit is 350 ppm. Most wines average 80-120 ppm, with some up to 350 ppm. US organic standards allow 100 ppm in red, white and sparkling. French organic standards allow 90 ppm in red, 100 ppm in white and sparkling wines.
