Michael Rafferty , P.E., is a Principal Engineer with S.S. Papadopulos &Associates, Inc.(SSP&A), in San Francisco, California. Mike has worked for SSP&A as a consultant since 1987, and has extensive experience in the design, construction, and operation of groundwater treatment, soil treatment, and oil and chemical process facilities. Mike worked for Aerojet, Bechtel and Geomatrix consultants prior to joining SSP&A. He has been responsible for the design of process systems (including equipment, piping and instrumentation); construction, startup, and operation of treatment plants; project material control; and various construction-related activities. He has managed site characterization and remediation programs in compliance with federal, state, and local regulatory guidelines for a wide variety of sites where the soil or groundwater were affected by metals, chlorinated organic compounds, petroleum hydrocarbons as well as non-aqueous phase liquids (NAPLs). Mike has been directly responsible for all phases of these projects, including soil and groundwater investigations; conceptual remedial design studies; development of design drawings and specifications; bid document preparation and evaluation; construction management; and field supervision and inspection. He has been an expert witness and has provided technical input for mediation, arbitration and litigation of environmental and construction claim cases. Mike joined the ITRC RPO team in 2005, and in 2006 was awarded an Industry Recognition award for his contribution to the team. He earned a bachelor's degree in chemical engineering from Cornell University in Ithaca, New York in 1979 and a master's degree in civil engineering from the University of California, Berkeley in 1987. Mike is a licensed professional engineer in California and seven other states.