title: Decrease of radionuclides in Columbia river biota following closure of Hanford reactors.
mesh_terms: D000818:Animals; D002683:Chironomidae / Q000032:analysis; D003037:Cobalt Radioisotopes / Q000032:analysis*; D005399:Fishes; D005507:Food Contamination, Radioactive / Q000032:analysis*; D006376:Helminths / Q000032:analysis; D007313:Insecta / Q000032:analysis; D007814:Larva / Q000032:analysis; D009688:Nuclear Reactors; D010933:Plankton / Q000032:analysis; D011850:Radioactive Waste; D014861:Washington; D014878:Water Pollution, Radioactive; D015037:Zinc Radioisotopes / Q000032:analysis*
chemical_list: D003037:Cobalt Radioisotopes; D011850:Radioactive Waste; D015037:Zinc Radioisotopes