Related by context. Frequent words. (Click for all words.) 72 disinfection byproducts 68 carbon tetrachloride 67 fluorides 66 harmful contaminants 66 fracturing fluids 64 furan 64 chlorinated solvents 64 inorganic arsenic 63 Hydrogen sulfide 63 suspected carcinogen 63 chloramine 62 carcinogenic chemicals 62 trihalomethanes 62 dissolved solids 62 methylene chloride 62 PCBs polychlorinated biphenyls 62 tetrachlorethylene 62 total dissolved solids 61 contaminants 61 acrolein 61 arsenic 61 benzene toluene 60 toxic solvents 60 Nitrates 60 bromate 60 chlorides 60 toxicants 60 endotoxins 59 peroxides 59 potassium permanganate 59 organophosphate pesticides 59 chloramines 59 Sulfate 59 trichlorethylene TCE 59 calcium sulfate 59 benzo pyrene 59 methyl mercury 59 nitrates 59 bile acids 59 salicylates 58 elemental sulfur 58 Diesel exhaust 58 diazinon 58 corrosives 58 dieldrin 58 toxins 58 chlordane 58 #,# dioxane 58 trichlorethylene 58 potent neurotoxin 58 arsenic concentrations 57 hydrofluoric acid 57 naturally occurring radioactive 57 mineral salts 57 sulphates 57 solvents 57 Acrylamide 57 perchlorethylene 57 nitrate 57 coliforms 57 hydrogen sulfide 57 bile acid 57 endocrine disruptor 57 toxicant 57 maximum contaminant 57 Hydrochloric acid 57 phosphine 57 Sulfur dioxide 57 halogenated 57 sewage effluent 57 bioaccumulation 57 fracking fluid 57 contaminant 57 sulphate 57 Triclosan 56 hexavalent chromium 56 elemental mercury 56 chromium 56 oxalate 56 nitrosamines 56 Nitrogen oxides 56 iron manganese 56 ethylbenzene 56 chemical vapors 56 reproductive toxicity 56 polychlorinated biphenyls PCBs 56 catechin 56 chemicals 56 MtBE 56 sodium nitrate 56 endocrine disrupting chemicals 56 serum calcium 56 terpenes 56 organic acids 56 pollutants 56 sulfite 56 chlorine 56 nicotinic acid 56 toxic substances 56 furans 56 fatty substances