Related by context. Frequent words. (Click for all words.) 60 pesticides 59 pesticide 58 chemicals 58 larvicides 57 atrazine 57 Atrazine 56 carbaryl 56 fumigants 55 diazinon 55 toxicants 55 agrichemicals 54 lindane 54 pyrethroid 54 Malathion 54 herbicides 53 insecticide 53 suspected carcinogen 53 herbicides pesticides 53 toxic chemicals 53 toxic pesticides 53 dieldrin 53 rodenticides 53 genetically engineered GE 53 weedkillers 53 harmful contaminants 52 organophosphate 52 pyrethroids 52 chlordane 52 Rotenone 52 noxious chemicals 52 disinfection byproducts 52 herbicide glyphosate 52 insecticides 51 endocrine disrupting chemicals 51 Herbicides 51 Disinfectants 51 malathion 51 sewage discharges 51 organophosphate pesticides 51 carbofuran 51 contaminants 51 herbicide 51 biosolid 50 PCBs polychlorinated biphenyls 50 pesticides fertilizers 50 toxic substances 50 sewage effluent 50 Toxic chemicals 50 Nitrates 50 paraquat 50 retardants 50 harmful pathogens 50 aquatic weeds 50 spraying pesticides 50 livestock manure 50 toxins 50 insecticidal 50 Ivermectin 50 genetically modified canola 50 naturally occurring bacteria 49 weed killers 49 hazardous chemicals 49 Residues 49 chloramine 49 flame retardant chemicals 49 pest infestations 49 trigger allergic reactions 49 rodenticide 49 chemical sprays 49 chlorpyrifos 49 nonpoint source pollution 49 carcinogenic chemicals 49 aflatoxins 49 microbial contamination 49 E coli bacteria 49 endocrine disrupters 49 chemical 49 Pesticides 48 substances 48 Pesticide 48 microbial pathogens 48 potassium permanganate 48 larvacide 48 Invasive plants 48 corrosives 48 poisonous chemicals 48 contaminant 48 Bti 48 weed killer 48 stinkbugs 48 malachite green 48 alkaloids 48 Phragmites 48 pesticides herbicides 48 engineered nanoparticles 48 pesticide applicators 48 potentially harmful 47 noxious substances 47 genetically modified organisms GMOs 47 pollutants 47 oestrogens