What is the focus of Stage I vapor recovery?

• A. Capturing vapors during vehicle refueling
• B. Capturing vapors released during fuel delivery to tanks
• C. Monitoring emissions from gas stations
• D. Recycling vapors into usable fuel

Answer: (B)

Stage I vapor recovery focuses specifically on capturing vapors released during fuel delivery to underground storage tanks. This is an essential part of preventing hydrocarbon emissions that can occur when fuel is transferred from delivery vehicles into storage tanks at service stations. During this process, as fuel is pumped into the tanks, air that is displaced must be vented, and Stage I systems are designed to capture these displaced vapors before they escape into the atmosphere.

The technology involved typically includes the use of specialized equipment such as vapor recovery hoses and fittings that connect the delivery truck to the storage tank. These systems are designed to minimize environmental impact and comply with regulatory standards aimed at reducing air pollution.

This focus on the capture of vapors during the fuel delivery process is essential for protecting air quality and promoting safe fuel handling practices. Other options may refer to different aspects of vapor recovery or emissions management, but they do not represent the primary goal of Stage I vapor recovery, which is distinctly about handling vapors during the delivery phase.