Alex MacDonald Alex MacDonald is a senior engineer in the technical support section of the Cleanup Unit at the Central Valley Regional Water Quality Control Board in Rancho Cordova, California. He has worked at the Water Quality Control Board since 1984. He primarily works on cleanup of the Aerojet site in Rancho Cordova, California and other nearby sites such as McClellan Air Force Base. Alex has also worked on cleanup at underground and above ground storage tanks sites; permitting and inspection of landfill and waste disposal to land sites; regulating application of biosolids sites; regulating NPDES sites that include wastewater treatment plants, power plants, industrial facilities, and groundwater treatment facilities; and permitting and inspecting dredging projects. Alex was a member of the ITRC Perchlorate team. Alex earned a bachelor's degree in Civil/Environmental Engineering from Stanford University in Palo Alto , California in 1977 and a master's degree in Civil/Environmental Engineering from Sacramento State University in Sacramento, California in 1987.