Chuck Winfield is the President of Quantum Technical Services LLC, a Nalco Champion company that specializes in process diagnostics using radioisotopes and infrared thermography, radiation safety, and helium leak testing (Email: cbwinfield@nalco.com). He has more than 29 years of experience in process troubleshooting utilizing sealed and unsealed radioisotopes and previously owned Tru-Tec Services, which was a key developer of modern gamma-scanning technology. He has an associate’s degree in nuclear technology from Texas State Technical College.