Related by context. Frequent words. (Click for all words.) 65 Rotenone 62 rotenone 60 pyrethroids 58 Eurasian milfoil 57 malathion 57 chloramine 57 Malathion 56 hydrilla 55 Bti 55 chloramines 54 herbicides 54 milfoil 54 larvacide 53 copper sulfate 53 herbicide 52 chlordane 52 aquatic weeds 52 nutrient loading 52 toxicity 52 lindane 52 phragmites 52 naturally occurring bacteria 51 acute toxicity 51 Btk 51 atrazine 51 diazinon 51 fumigants 50 toxicants 50 Herbicides 50 pesticides 50 Atrazine 50 Bacillus thuringiensis 49 contaminant 49 polluted groundwater 49 methylene chloride 49 imidacloprid 49 organophosphates 48 diatomaceous earth 48 pesticide 48 biocide 48 deet 48 acrolein 48 lawn fertilizers 48 sprayings 48 contaminants 48 Eurasian watermilfoil 48 dischargers 48 suspected carcinogen 48 chlorides 47 coagulant 47 carbofuran 47 Controlled burns 47 minocycline 47 Nitrates 47 permethrin 47 foliar 47 dissolved solids 47 nontoxic 47 sulfate 47 insecticidal soap 47 neurotoxins 47 aquatic organisms 47 chlorinated solvents 47 chlorine 47 glyphosate 47 nitrogen 47 insecticide 47 phosphorus 47 toxin 47 insecticides 47 larvicide 47 itraconazole 47 endocrine disruptor 46 total dissolved solids 46 arsenic 46 Floridan Aquifer 46 biocontrol 46 nutrient runoff 46 larviciding 46 nitrogen phosphorus 46 aquatic vegetation 46 ragweed pollen 46 denitrification 46 radioiodine 46 wood preservative 46 contaminated sediments 46 tidal wetlands 46 chlorpyrifos 46 invasive weed 46 ivermectin 46 knotweed 46 chloride 46 freshwater mussels 46 Fungicides 46 sulphate 46 dissolved oxygen levels 46 active ingredient 46 naturally occurring substance 46 wastewater discharge 46 toxic algae 46 DMSO