The California Department of Public Health has been carrying out air sampling in vape shops throughout the state, as part of its initiative to determine the health effects of second-hand vapor exposure.

Earlier today in his blog, Public Health Expert Dr. Michael Siegel pointed out that the results for this report were obtained from a relatively small and non-ventilated vape shop, where many of the employees and 13 customers were actively vaping while the sampling was taking place, hence what would be considered a situation presenting a high level of exposure to second-hand vapor. However, given all these unfavourable conditions, the results still reported no dangerous levels of exposure to any hazardous chemicals.

Read more about this article here: http://www.vapingpost.com/2017/05/03/air-sampling-confirms-secondhand-vapor-is-harmless/