Related by context. Frequent words. (Click for all words.) 70 PCBs polychlorinated biphenyls 69 carbon tetrachloride 69 Trichloroethylene 69 Hexavalent chromium 68 chlorinated solvents 67 benzene toluene 66 suspected carcinogen 65 Volatile organic compounds 65 trichlorethylene TCE 65 aromatic hydrocarbons 64 tetrachlorethylene 64 carbon disulfide 63 trichlorethylene 63 Sulfate 63 organochlorines 63 Kuan Yin Taiwan 62 polychlorinated biphenyls PCBs 62 glycol ethers 62 Hydrogen sulfide 62 Xylene 62 methylene chloride 62 Ammonium 61 phosphine 61 peroxides 60 elemental sulfur 60 respiratory irritant 60 Nitrogen oxides 60 ammonia nitrogen 60 iron manganese 60 Fluorine 60 Chlorpyrifos 60 Leachate 60 dimethyl 60 organochlorine pesticides 60 antimony trioxide 60 chlordane 59 bacterium Clostridium botulinum 59 Contaminated soil 59 benzo pyrene 59 disinfection byproducts 59 hydroxide 59 tremolite 59 Enterococcus 59 perfluorochemicals 59 polybrominated diphenyl ethers 59 Contaminant 59 Methylmercury 58 ammonium chloride 58 Methyl 58 Dioxins 58 TFN NEWS BRIEFING Pharmaceuticals 58 pyrethrins 58 THMs 58 #,# butadiene 58 Edge Moor 58 Hydrochloric acid 58 dieldrin 58 Leaching 58 arsenic mercury 58 nanoparticulate 58 sludges 58 aluminum chloride 58 Residues 58 ethylbenzene 58 corrosives 58 solvents 58 Toluene 58 ethyl acetate 58 endocrine disrupting 58 degreasers 58 mold fungi 57 triclocarban 57 Nitrate 57 BTEX 57 Amines 57 perchlorethylene 57 vinyl chloride 57 Sulfur dioxide 57 Diesel exhaust 57 contaminants 57 wastewater effluent 57 toxic pollutant 57 Paraquat 57 naturally occurring mineral 57 diazinon 57 nitrogen NOx 57 mercury arsenic 57 contaminant 57 Sulfuric acid 57 carcinogenic chemicals 56 Nitrates 56 oxidizing agent 56 harmful contaminants 56 Toxic chemicals 56 Elevated levels 56 hydrogen chloride 56 fluorocarbons 56 Glycol 56 Flame Retardants 56 Coliform 56 DBPs