Related by context. Frequent words. (Click for all words.) 58 tritium 56 Vermont Yankee 55 Nuclear Regulatory Commission 52 Vermont Yankee nuclear 50 groundwater contamination 50 NRC 48 Davis Besse 48 Entergy Nuclear 48 coal ash 48 reactors 48 leaks 47 contamination 47 nuclear reactors 46 Fukushima Daiichi 46 Diablo Canyon 46 Oyster Creek 45 refueling outage 44 radiation leaks 44 E. coli contamination 44 Fukushima plant 44 Fukushima Daiichi nuclear 44 reactor 43 relicensing 43 Fukushima nuclear 43 nuclear 43 groundwater 43 leak 43 Exelon 43 Fukushima Dai ichi 43 fracking 42 nuke plant 42 unplanned outages 42 Entergy 42 bacterial contamination 42 radioactive contamination 42 mercury pollution 42 Jaczko 42 contaminated groundwater 42 e coli 42 contaminants 41 reactor cores 41 Exelon Corp. 41 mercury emissions 41 sewage spills 41 salmonella contamination 41 wastewater discharge 41 spent fuel rods 41 Nuclear Plant 40 radioactivity 40 TEPCO 40 regulators 40 radioactive 40 radioactive materials 40 Fukushima Daiichi plant 40 Safe Drinking Water 40 perchlorate 40 nuclear reactor 40 radioactive material 40 foul odors 39 Browns Ferry 39 mercury contamination 39 Calvert Cliffs 39 radioactive substances 39 radionuclides 39 misstatements 39 cooling towers 39 Neil Sheehan 39 coal fired 39 discharges 39 strontium 38 Disease Registry 38 CNSC 38 FirstEnergy Corp. 38 polychlorinated biphenyls 38 hydrofracking 38 Hillandale Farms 38 radioactive iodine 38 coal gasification plant 38 partial meltdown 38 IEPA 38 DHEC 38 toxic pollutants 38 fecal coliform 38 salmonella outbreak 38 fuel rods 38 Tepco 38 trichlorethylene 38 contaminated 38 DEP 37 E. coli 37 E. coli bacteria 37 listeria 37 radioactive waste 37 toxic chemicals 37 EPA 37 TVA 37 cryptosporidium 37 sewage overflows 37 Environmental Protection Agency 37 fecal bacteria 37 Superfund sites