Related by context. Frequent words. (Click for all words.) 69 tailings 64 mine tailings 61 contaminated soils 60 Tailings 59 contaminated soil 59 leach pads 58 dewatering 57 contaminated sediments 56 heap leach 55 leach pad 55 hydrometallurgical 54 oxide ore 54 fly ash 54 leaching 54 contaminated groundwater 53 cyanidation 53 metallurgical 53 dewatered 53 sulphide ore 53 sulfide 52 sediment 52 radioactive wastes 52 SGS Lakefield 52 heap leach operation 51 mined ore 51 metallurgical testwork 51 groundwater 50 silt 50 gravels 50 oxide 50 dredged material 50 metallurgical testing 50 testwork 50 stopes 50 tailings dam 50 bioleaching 50 flowsheet 49 flowback 49 ore 49 gravel 49 heap leaching 48 sludge 48 Superfund sites 48 Superfund cleanup 48 hazardous waste 48 Sediment 48 Uranium Mine 48 alluvium 48 sulfide mineralization 47 wellfield 47 adits 47 leach 47 dredge spoils 47 flotation mill 47 contaminated sediment 47 stream sediment 47 sediments 47 uranium 47 Superfund Site 47 drainages 47 remediation 47 groundwater contamination 47 underground workings 47 coal slurry 47 soils 47 radionuclides 47 radioactive waste 47 brines 47 Superfund site 47 bio solids 47 chlorides 47 geotechnical drilling 47 geologic mapping 47 uranium mines 46 Waste Isolation Pilot 46 Uravan 46 tailings pond 46 radioactive material 46 sumps 46 SGS Lakefield Research 46 hydrofluoric acid 46 leachate 46 bulk sampling 46 Jerritt Canyon 46 backfilling 46 streambeds 46 grade ores 46 toxic wastes 46 slurry 46 landfill 46 column leach 45 mill throughput 45 coal ash 45 Denison Mines 45 arsenic 45 dissolved solids 45 Sanitary Landfill 45 Kennecott 45 ore mined 45 Stratoni 45 Uranerz