Translations:ENDS Respiratory System/64/en

Threshold Limit Values (TLVs), were conducted under “worst case” assumptions about both chemical content of aerosol and liquids as well as behavior of vapers. There was no evidence of potential for exposures of e-cigarette users to contaminants that are associated with risk to health at a level that would warrant attention if it were an involuntary workplace exposures. Exposures of bystanders are likely to be orders of magnitude less, and thus pose no apparent concern.