Dispensing refers to which of the following actions?

Dispensing is primarily defined as the action of pouring or transferring any material that releases vapors into the atmosphere. This process is critical in laboratory settings, especially when dealing with flammable gases and chemicals. During dispensing, care must be taken to minimize the release of harmful vapors and to ensure that appropriate safety protocols are followed to prevent potential hazards such as ignitions or health risks to personnel.

When materials are dispensed, it typically involves handling volatile substances that could pose risks if not managed properly. This includes ensuring proper ventilation, using appropriate personal protective equipment, and implementing strategies to contain any vapors that may be generated during the transfer. Understanding the nature of the material being dispensed is essential for maintaining safety in laboratory operations, which differentiates it from other actions like sealing containers or storing materials, which do not involve the active transfer of substances.