John Mahony, Ph.D.

Dr. John Mahony, currently Research Professor in the Civil and Environmental Engineering Department at Manhattan College in Riverdale, New York, has joined the firm as a Senior Associate. (Jan ’10) Dr. Mahony will be continuing his teaching and research activities at the college on a part-time basis.

Prior to being named Research Professor Dr. Mahony was Professor of Chemistry, Professor of Environmental Engineering and Professor of Civil and Environmental Engineering. During his 42-year tenure at the College, he has published over 40 papers in the various areas reflected in these academic titles. His teaching responsibilities have included courses in Analytical, Physical, Environmental, Nuclear and Radiochemistry, as well as the applications of chemical principles and techniques to Civil Engineering practice.

His research has involved collaboration with members of the Civil Engineering Department at Manhattan College, nuclear and radiochemists at State University at Stony Brook, NY, and environmental engineers and scientists at the New University of Lisbon and Direccao Geral do Ambiente, Lisbon, Portugal. He has also been a part-time senior consultant to electroplating companies.

Dr. Mahony is a specialist in the study of toxic impacts of metals on water and sediment quality, with expertise in the development of sediment quality criteria for arsenic and toxic heavy metals. He is among the scientists and engineers that developed the AVS-SEM method for assessing water and sediment quality criteria for toxic heavy metals. He has developed methods of economically reducing discharge levels of plating metals. Much of his research has involved collaborating with toxicologists in verifying the importance of natural sulfide chemistry in reducing heavy metal and arsenic toxicity. He has utilized radioactive tracers and other analytical techniques in both environmental and engineering applications, especially in a number of studies on the stability of concrete and salt intrusion. His work in Portugal included a three-year study on the remediation of acid mine drainage at an abandoned copper mine.