Related by context. Frequent words. (Click for all words.) 69 PCBs polychlorinated biphenyls 67 polychlorinated biphenyls PCBs 67 furans 66 polybrominated diphenyl ethers 66 mercury arsenic 65 endocrine disrupting chemicals 64 contaminants 64 carbon tetrachloride 64 Dioxins 64 Toxic chemicals 63 Contaminants 63 polycyclic aromatic hydrocarbons PAHs 63 suspected carcinogen 63 carcinogenic chemicals 63 dioxins 62 toxic chemicals 62 pollutants 62 arsenic mercury 62 methyl mercury 62 toxins 62 Hydrogen sulfide 62 chlordane 61 potent neurotoxin 61 endocrine disruptors 61 dieldrin 61 flame retardant chemicals 61 toxicants 60 polycyclic aromatic hydrocarbons 60 Pollutants 59 endocrine disrupters 59 toxic substances 59 harmful contaminants 59 PAHs 59 contaminant 59 deplete oxygen 59 PCBs 58 chlorinated solvents 58 harmful chemicals 58 endocrine disruption 58 carcinogens 58 PBDE 58 hormone disrupting 58 toxic pollutants 57 cadmium mercury 57 lead mercury cadmium 57 trichlorethylene TCE 57 PFOS 57 chemicals 57 toxic byproducts 57 carcinogenic substances 57 endocrine disruptor 57 corrosives 56 neurotoxins 56 Algae blooms 56 polychlorinated biphenyls 56 methylene chloride 56 aquatic organisms 56 sludges 56 pollutant 56 acrolein 56 potentially carcinogenic 56 organophosphate pesticides 56 Nitrates 56 harmful toxins 55 Dioxin 55 Saturated fats 55 arsenic 55 inorganic arsenic 55 Acrylamide 55 volatile organic compounds 55 carcinogen 55 naturally occurring bacteria 55 solvents 55 Sulfate 54 Sediments 54 dioxin 54 Residues 54 sulphates 54 disinfection byproducts 54 endotoxins 54 tetrachlorethylene 54 nitrous oxides 54 iron manganese 54 flame retardants 54 toxics 54 Sulfur dioxide 54 poisonous chemicals 54 methylmercury 53 toxicity 53 organic solvents 53 Dust mites 53 neurotoxin 53 lindane 53 PBDEs 53 animal dander 53 toxin 53 toxic algae blooms 53 toxic 53 Allergens 53 microscopic algae 53 furan