Cr(VI), or hexavalent chromium, is a toxic form of the element chromium. It is commonly found in industrial processes, such as metal plating, leather tanning, and the production of pigments. Due to its high solubility in water, Cr(VI) can easily contaminate soil and groundwater, posing significant health risks to humans and the environment. Exposure to Cr(VI) can lead to serious health issues, including respiratory problems, skin irritation, and an increased risk of cancer. Regulatory agencies, such as the Environmental Protection Agency (EPA), have established guidelines to limit exposure and manage the risks associated with this hazardous substance.