Related by context. Frequent words. (Click for all words.) 60 PCBs polychlorinated biphenyls 57 mercury arsenic 56 polybrominated diphenyl ethers 56 polychlorinated biphenyls PCBs 56 cadmium mercury 55 suspected carcinogen 55 chlordane 55 endocrine disrupting chemicals 55 bioaccumulation 55 dioxins 53 furans 53 endocrine disruption 53 arsenic mercury 52 reproductive toxicity 51 bisphenol A. 51 potent neurotoxin 51 benzo pyrene 51 dieldrin 51 endocrine disruptor 51 lindane 50 toxicants 50 hormone disrupting 50 Toxic chemicals 50 PCBs 50 endocrine disruptors 50 toxicity 50 Contaminants 50 arsenic cadmium 50 carbon tetrachloride 50 toxic chemicals 49 polycyclic aromatic hydrocarbons PAHs 49 PFOS 49 acute toxicity 49 toxic pollutants 49 contaminants 49 toxins 49 Iron deficiency 49 Dioxins 49 PBDE 49 endocrine disrupters 49 PBDEs 48 lead mercury cadmium 48 toxic substances 48 diazinon 47 salmon mackerel 47 carcinogenic chemicals 47 sulfur dioxide nitrogen oxides 47 toxic algae blooms 47 disinfection byproducts 47 Diesel exhaust 47 corrosives 47 Algae blooms 47 phthalates 47 methyl mercury 47 benzene toluene 47 Nitrogen oxides 47 Ingesting 47 polycarbonate bottles 47 birth defects 47 nitrous oxides 47 PBDE levels 47 furan 47 sulfur oxide 47 pollutants 47 chlorinated solvents 47 Pollutants 46 synthetic estrogen 46 methylmercury 46 tetrachlorethylene 46 acrolein 46 aquatic invertebrates 46 toxics 46 toxic solvents 46 organophosphate pesticides 46 contaminating groundwater 46 concentrations 46 arsenic 46 flame retardant chemicals 46 polychlorinated biphenyls 46 organophosphates 46 Triclosan 46 deplete oxygen 46 microbial pathogens 46 Dioxin 46 developmental abnormalities 46 Hydrogen sulfide 45 Persistent Organic Pollutants 45 fecal bacteria 45 methamidophos 45 harmful contaminants 45 reproductive disorders 45 sewage discharges 45 neurotoxic effects 45 Elevated levels 45 aflatoxins 45 Acidic 45 ethyl mercury 45 perchlorate contamination 45 chlorpyrifos 45 mercury contamination 45 contaminant