… petroleum hydrocarbons, BTEX, phenols, cyanide, and heavy metals – causes local soil contamination and large scale groundwater contamination in the transfer zones … areas are located in the environs of the site, which exhibits high levels of soil contamination and extensive groundwater contamination from petroleum … their own water supply facilities, some of which are still in operation. Extensive soil and groundwater pollution, as well as local contamination, have been detected, …