How to Safely Dispose of E Cigarettes: Information for Individuals US EPA Teen vaping linked with toxic lead exposure, study finds CNN Metals found in disposable e cigarette vapor could pose health risks American Chemical Society 150 million vapes end up in the landfill each year in the United States., Their plastic cases will persist in our environment for hundreds of years and many contain lead and mercury that can leach Disposable Vapes and Heavy Metal Headaches Grow Strong KC