Related by context. Frequent words. (Click for all words.) 68 arsenic mercury 65 suspected carcinogen 65 mercury cadmium 64 mercury arsenic 64 polybrominated diphenyl ethers 64 cadmium mercury 63 Hydrogen sulfide 63 PCBs polychlorinated biphenyls 62 Dioxins 62 furans 60 carcinogenic chemicals 60 arsenic cadmium 60 toxicants 59 polychlorinated biphenyls PCBs 59 toxic substances 59 dioxins 59 potent neurotoxin 59 toxins 59 Toxic chemicals 59 harmful toxins 59 deplete oxygen 58 THMs 58 methyl mercury 58 respiratory irritant 58 endocrine disrupting chemicals 58 polycyclic aromatic hydrocarbons 57 toxic chemicals 57 corrosives 57 potentially carcinogenic 57 carbon tetrachloride 57 contaminants 57 pollutants 57 odorless colorless gas 56 harmful contaminants 56 endocrine disruptor 56 toxic byproducts 56 toxic 56 Contaminants 56 hydrogen chloride 56 lead mercury cadmium 55 animal dander 55 trigger allergic reactions 55 mold fungi 55 iron manganese 55 Thoroughly cooking 55 peroxides 55 methylene chloride 55 bioaccumulation 55 furan 55 endocrine disrupters 55 benzene toluene 55 benzo pyrene 55 carcinogens 55 contaminant 55 toxic pollutants 55 endotoxins 55 harmful substances 55 harmful chemicals 54 Nitrogen oxides 54 Pollutants 54 Diesel exhaust 54 endocrine disruptors 54 chlordane 54 DBPs 54 polychlorinated biphenyls 53 bioaccumulate 53 toxicant 53 poisonous chemicals 53 Hydrochloric acid 53 tetrachlorethylene 53 nitrous oxides 53 Burning fossil fuels 53 nerve toxin 53 PCBs 53 acrolein 53 chemicals 53 airborne toxins 52 chlorinated solvents 52 lindane 52 Sulfur dioxide 52 hazardous substances 52 sulfur dioxide nitrogen oxides 52 potent toxin 52 Prolonged exposure 52 Particulates 52 methylmercury 52 solvents 52 sulfur hexafluoride 52 disinfection byproducts 52 perfluorooctanoic acid 52 mercury 52 hormone disrupting 52 carcinogenic substances 52 polycyclic aromatic hydrocarbons PAHs 52 Acrylamide 52 red sludge 51 sludges 51 pollutant 51 reproductive toxicity 51 incomplete combustion 51 dioxin