Related by context. Frequent words. (Click for all words.) 72 chlordane 70 dieldrin 69 carbon tetrachloride 67 polychlorinated biphenyls PCBs 65 suspected carcinogen 64 chlorinated solvents 63 furans 62 Contaminants 61 trichlorethylene TCE 61 Hydrogen sulfide 61 contaminants 61 contaminant 60 diazinon 60 Dioxins 60 carcinogenic chemicals 60 disinfection byproducts 60 dioxins 60 PCBs 59 methyl mercury 59 vinyl chloride 59 endocrine disruptor 59 pollutant 59 lindane 59 aflatoxins 59 acute toxicity 59 Aspergillus 58 PBDE 58 chlorpyrifos 58 methylene chloride 58 PFOS 58 tetrachlorethylene 58 polybrominated diphenyl ethers 58 Residues 57 trichlorethylene 57 pollutants 57 Dioxin 57 volatile organic compounds 57 polycyclic aromatic hydrocarbons PAHs 57 coliforms 57 endocrine disruptors 57 Pollutants 57 #,# dioxane 56 harmful contaminants 56 mycotoxin 56 pesticides 56 Nitrates 56 arsenic 56 toxic pesticides 56 potentially carcinogenic 56 petroleum hydrocarbons 56 polycyclic aromatic hydrocarbons 55 Atrazine 55 O# H7 55 endotoxins 55 Nitrate 55 perchlorethylene 55 toxins 55 organophosphates 55 nutrient loading 55 polychlorinated biphenyls 55 PCB contamination 55 naturally occurring bacteria 55 groundwater contamination 55 toxin 55 dioxin 55 pyrethroids 55 toxicity 55 toxicants 55 Malathion 54 Aflatoxin 54 VOCs 54 flame retardant chemicals 54 chlorides 54 toxic chemicals 54 herbicides pesticides 54 atrazine 54 chemical residues 54 fumigants 54 residues 54 Toxic chemicals 54 mercury arsenic 54 hormone disrupting 54 contaminated soils 54 acrolein 54 Cyanobacteria 54 livestock manure 54 malathion 53 Sulfur dioxide 53 Leaching 53 Pesticides 53 fecal coliform bacteria 53 carcinogenic substances 53 nitrate 53 mycotoxins 53 oxalic acid 53 pesticide 53 nitrous oxides 53 toxic pollutants 53 contaminating groundwater 53 fecal coliform 53 PAHs