Our local beach town recently banned vaping. Their hypocrisy for the reason stated escapes them. "Many people say the emission from an e-cigarette is just harmless water vapor, but Commissioner Stan Mills tells WGMD News that’s not true – that there are aerosols like nicotine, which can have an adverse affect on pregnancy, toxic heavy metals and other chemicals that are known carcinogens and ultra-fine particles that can cause respiratory distress and illness."
This from a tourist trap that has 300,000 cars, delivery trucks, and busses each weekend idling and creeping down the blocks to the beach.
Idiots.
Rehoboth Adds E-cigarettes to Smoking Ban | 92.7 WGMD The Talk of Delmarva
Peering through the mist: What does the chemistry of contaminants in electronic cigarettes tell us about health risks?
http://publichealth.drexel.edu/~/media/files/publichealth/ms08.pdf
The above study of several thousand vapers over 5 years lists the spectroscopic analysis of vapor and compares it to cigarette smoke, along with the EPA limits for the chemicals detected. Airborne chemicals from vaping are far below EPA allowed levels and are just about equal to particulates found in ordinary city air. If you look at the tables you see that the column marked "Estimated concentration in personal breathing zone" is one to several orders of magnitude lower than the most stringent TLV (Threshold Limit Value) set by the EPA for workplace exposure.
The tables start on page 16 in the PDF file linked above.
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