What does "CO" primarily stand for in the context of gas safety?

In the context of gas safety, "CO" primarily stands for carbon monoxide. This colorless, odorless gas is a significant concern when dealing with gas appliances and indoor air safety. Carbon monoxide is produced during the incomplete combustion of fossil fuels, including natural gas, propane, and oil. It poses serious health risks as it can lead to poisoning, often occurring in poorly ventilated spaces where gas appliances are used.

Understanding the risks associated with carbon monoxide is essential for gas safety inspections and interior gas piping. Proper ventilation, regular maintenance of appliances, and installation of carbon monoxide detectors are critical to prevent accumulation of this dangerous gas. By recognizing "CO" as carbon monoxide, individuals can better appreciate the importance of safety measures related to gas usage in homes and buildings.