Related by context. Frequent words. (Click for all words.) 52 toxic wastes 49 dredged material 48 toxic waste 47 fly ash 45 hazardous wastes 45 dredge spoils 45 transuranic waste 44 evaporation ponds 43 Haina 43 hazardous waste 43 Nicaraguan 43 Municipal Solid Waste 42 effluents 42 sanitary landfill 42 radioactive wastes 42 petroleum coke 42 dumpsite 42 tailings 42 mine tailings 42 harmful contaminants 41 Baninter 41 toxic pollutants 41 Leonel Fernandez 41 Panamanian 41 radioactive substances 41 tailings impoundment 41 Dominican Republic 41 Probo Koala 41 terrorist Luis Posada 41 Waste Isolation Pilot 40 mill tailings 40 coal ash 40 contaminated soil 40 toxic chemicals 40 contaminated sediments 39 dumpsites 39 radioactive material 39 Manzanillo 39 effluent 39 Mayaguez 39 contaminating groundwater 39 untreated sewage 39 sediment 39 leachate 39 Nicaragua 39 Puerto Plata 38 untreated wastewater 38 Cartagena 38 tar ponds 38 toxic substances 38 residues 38 radioactive contaminants 38 elemental mercury 38 Dominican 38 guano 38 GPCB 38 contaminated 38 RCRA 38 radioactive materials 38 MARAD 38 effluent discharge 38 Santo Domingo 38 Alberta tar sands 38 San Cristóbal 38 red sludge 38 Chiriqui 38 bio solids 38 incineration 38 contaminants 38 industrial effluents 37 hazardous chemicals 37 contaminating 37 President Ricardo Martinelli 37 toxic byproducts 37 Puerto 37 wastewater discharges 37 sludge 37 dumping 37 toxic sludge 37 toxic 37 IACHR 37 Songhua 37 suspected carcinogen 37 USEPA 37 San Cristobal 37 tailings disposal 37 slops 37 noxious odors 37 polluted groundwater 37 cubic yards 37 Effluent 37 Supreme Tribunal 37 livestock manure 37 toxins 37 noxious chemicals 36 Ecuadorean 36 Posada Carriles 36 dredge 36 toxic gases 36 Sediment 36 Basel Convention