In the United States, more than $4 billion pounds of medical waste is produced annually. Medical waste consists of solids, liquids, sharps, and laboratory waste that are infectious or dangerous. The healthcare industry produces more waste than most industries in the United States. Since medical waste can pose a serious hazard to the general public, it is heavily regulated. The Medical Waste Tracking Act requires health care companies to comprehensively document all of its biohazard and chemical waste disposal practices.