They also turned up 39 devices similar to Juuls — including refillable, non-refillable, and disposable vapes. Again, all the pre-filled pods for those vapes came in kid-friendly flavors, contained more vape juice than Juul pods, and advertised equivalent or higher levels of nicotine, as well...
Assuming a consumer vapes 3.4 ml of a refill fluid38 containing diacetyl at 0.32 mg/ml (highest concentration found in our study) and the transfer rate of diacetyl to the aerosol is 100%, the consumer would be exposed to 1.088 mg of diacetyl/day (equivalent to 85.83 ppb/8...