Primary Uses or Exposures: Cobalt is a naturally occurring metallic element that is present in the environment combined with other elements. Major uses of cobalt include the production of alloys, manufacture of salts, and as a colorant. Cobalt also has a role in green energy (e.g., rechargeable batteries for electric vehicles and consumer electronics). Exposure occurs in occupational settings and from failed surgical implants. The general public can also be exposed to low levels of cobalt through food, drinking contaminated water, and living near industrial sites.
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