Macroscopic Metals The Real Cost Do Vapes Set Off Metal Detectors? Why They Trigger Alarms and What to Expect What's in vapes? Toxins, heavy metals, maybe radioactive polonium 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 Composition of electronic cigarette aerosol Wikipedia Disposable vapes contain 'more toxic metals than 19 cigarette packs'