If an individual detects the smell of gas, it is essential to prioritize safety as a first step. One should immediately leave the area where the gas odor is present and ensure that others do the same. It is crucial not to operate any electrical switches, light matches, or create any flames, as these actions may trigger an explosion. After vacating the premises, the individual should move to a safe location away from the building and contact the appropriate authorities. It is advisable to call local emergency services or the gas company to report the incident. It is also helpful to familiarize oneself with the emergency contact numbers provided by UGI Central Penn Gas Company, which can often be found on their official website. Remember, safety is the utmost concern when dealing with potential gas leaks.