How does the disposable vape ban work, and how harmful is vaping? Vaping: High lead and nickel found in illegal vapes How to Safely Dispose of E Cigarettes: Information for Individuals US EPA With more vapes getting thrown away every year, it's become a growing environmental problem. Vapes contain heavy metals, nicotine, and other chemicals, which leach toxic pollutants into the soil and waterways when Disposable vapes are more toxic than cigarettes, contain lead: Study