What is the procedure manual used by Con Edison called?

The procedure manual used by Con Edison is referenced as the "Yellow Book." This manual serves as an important resource for guidelines, procedures, and safety standards related to gas piping systems. It is designed to ensure that both technicians and inspectors have a clear understanding of the protocols necessary for safe operation and maintenance of gas services. Given its specific color designation, the Yellow Book is easily identifiable among other manuals that may serve different functions or be used by different organizations. This distinction helps professionals within Con Edison and other stakeholders quickly access the right information when it comes to gas safety procedures.