The National Ground Water Association announced the passing of Suthan Suthersan, Ph.D., PE. Suthersan had a 35 year professional career that included being the chief technical officer and executive vice president of Arcadis North America as well as the authoring the popular “Advances in Remediation Solutions” column in the NGWA Groundwater Monitoring & Remediation.  Suthersan passed away on February 20 in Yardley, Pennsylvania. He was 60 years old.