Testing Amur River water for benzol and other harmful substances. Khabarovsk territory.06.12.2005#121279
Nizhnekamsk Petrochemical Company in the Tatar Autonomous Soviet Socialist Republic.04.05.1973#6595085
Estonian SSR. The Kohtla-Järve shale oil extraction plant, currently Viru Keemia Grupp (VKG) concern.10.06.1964#5948073