Which of the following gases is commonly monitored under F-Gas regulations?

Hydrochlorofluorocarbons (HCFCs) are commonly monitored under F-Gas regulations due to their significant impact on the ozone layer and their contribution to greenhouse gas emissions. F-Gas regulations, particularly in the European Union, aim to reduce the use and emissions of certain fluorinated gases that can harm both the environment and human health. HCFCs fall under this category because, while they were developed as alternatives to substances that deplete the ozone layer, they are still potent greenhouse gases.

On the other hand, gases such as carbon dioxide, ammonia, and methane do not fall under the specific F-Gas regulations that focus on fluorinated gases. Carbon dioxide and methane are significant greenhouse gases, but their regulation is typically addressed under different frameworks, focusing on climate change mitigation rather than the specific monitoring of F-Gas emissions. Ammonia, although important in certain industrial applications, is also not classified under F-Gas regulations. Thus, the focus on HCFCs aligns with the goals of reducing harmful environmental impacts from fluorinated gases.