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.
Direct chemoreceptors are also found in the carotid body, a structure located at the branch of the carotid artery. These nerves detect levels of oxygen and carbon dioxide in the blood to determine when someone needs to breathe.