Organizations, professionals, and workers will adhere to all relevant federal, state, provincial, municipal, and environmental regulations regarding how to package, transport, and dispose of medical waste. The regulations and guidelines may vary significantly depending on the jurisdiction. In cases where the various regulations and guidelines conflict, organizations, professionals, and workers will comply with the most stringent regulations, guidelines, or this Standard. Professionals will follow all special requirements when dealing with wastes that originate or may originate from a source that has highly transmissible infectious or contagious diseases. There are certain microorganisms identified as Biosafety Level 3 or 4 by the Centers for Disease Control and Prevention (CDC) that are beyond the scope of this Standard and require specific training, procedures, equipment, and disposal methods.