Three E-Cig Formats (IMAGE) R&D at British American Tobacco Caption This image shows formaldehyde exposure from e-cigarette formats well below WHO air quality standard. Credit British American Tobacco Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.