Do you need to be a certified welder to weld ammonia pipe in Michigan?

In Michigan, there is no specific state certification required solely for welding ammonia pipes. However, welders must adhere to relevant industry standards and codes, such as those set by the American Society of Mechanical Engineers (ASME) or the American Welding Society (AWS). It's also crucial for welders to have the appropriate qualifications and training for the specific type of welding being performed, especially in high-pressure applications. Employers may require certifications to ensure safety and compliance with regulations.