Shared Services is based on four interrelated tiers: online self-service tools, the HRSC in Charleston, the nine HR Service Providers (based in bureaus throughout the Department) and the HR Bureau in Washington (corporate HR).
Diacetyl has been found in numerous different e-cigarette liquids. Popcorn lung is an irreversible condition and although the electronic cigarette industry is largely aware of this challenge, it cannot be verified whether or not every different manufacturer of e-cigarette liquid has taken the appropriate precautions to remove it from their products.
As you all know, I have a strong opinion against the use of diacetyl and acetyl propionyl in e-liquids. In the study we published last year, we made this clear and we analyzed the potential risk from the use of these compounds at high levels (basically, when used as ingredients, or are present as contaminants but at high levels).