Mark R. Adamski, PG is a Technical Specialist with BP America in Houston. Texas where he supports projects both in the US and globally. He has worked for BP America since 1993. In his position, he directs both BP and American Petroleum Institute (API) research in the occurrence and behaviour of LNAPL in the subsurface. He has conducted site assessments, analyzed, and modeled LNAPL distribution and recovery at BP sites worldwide. As a result of this experience, he has presented at conferences, seminars, and workshops internationally since 2000. He has been involved with the development of landmark regulatory LNAPL guidance documents developed by the State of Texas, ITRC, and the US EPA. His primary areas of current LNAPL study are site characterization techniques, residual saturation, plume migration, and recovery techniques. Mark has worked in modeling fluid migration in porous media throughout his career with BP. Mark has been an ITRC LNAPL team member since 2007. He earned a bachelor’s degree in Geological Engineering from the University of Arizona in Tucson, Arizona in 1987 and a master’s degree in Hydrogeology from Texas A&M University College Station, Texas in 1993. Mark is a registered professional geologist in Texas.