Related by context. Frequent words. (Click for all words.) 64 disinfection byproducts 61 carbon tetrachloride 60 dissolved solids 60 chlorides 60 Hydrogen sulfide 60 trihalomethanes 59 coliforms 58 acrolein 58 total dissolved solids 57 contaminants 57 harmful contaminants 56 Acrylamide 56 Nitrates 55 phosphine 55 maximum contaminant 55 chloramines 55 sulphates 55 #,# dioxane 55 Acidic 55 iron manganese 54 sulfite 54 chloramine 54 congeners 54 tetrachlorethylene 54 Sulfate 54 suspected carcinogen 54 chlorinated solvents 54 iron oxides 54 phenols 54 inorganic arsenic 54 contaminate groundwater 53 carbonic acid 53 nitrates 53 bromate 53 contaminant 53 oxalic acid 53 calcium magnesium 53 radionuclides 53 Neu5Gc 53 sludges 53 benzene 53 bile acid 53 alkalinity 53 corrosives 52 sulfate 52 sodium potassium 52 chlorine 52 PCBs polychlorinated biphenyls 52 Hydrochloric acid 52 H2S 52 Quercetin 52 organic compounds 52 Contaminants 52 chloride 52 fracking fluid 52 xylene 52 nitrosamines 52 polycyclic aromatic hydrocarbons PAHs 52 furan 52 mg l 52 arsenic 52 hexane 51 deplete oxygen 51 Perchlorate 51 methyl mercury 51 Benzene 51 acute toxicity 51 ethylbenzene 51 dieldrin 51 naturally occurring bacteria 51 naturally occurring substance 51 bioavailable 51 Sulfur dioxide 51 carcinogens 51 methylene chloride 51 tyramine 51 hydroxide 51 ethyl acetate 51 oxalate 51 Dioxins 51 brines 51 oestrogens 51 catechin 51 impurities 51 sulfides 51 phenylalanine 50 PAHs 50 flouride 50 gamma tocopherol 50 potent neurotoxin 50 fracking chemicals 50 fecal coliform bacteria 50 chlordane 50 docosahexaenoic acid 50 mineral salts 50 hydrogen sulphide 50 soluble 50 colorless liquid 50 turbidity 50 sulphate 50 chromium