Related by context. All words. (Click for frequent words.) 69 lethal methyl isocyanate 68 poisonous methyl isocyanate 66 methyl isocyanate MIC 64 methyl isocyanate gas 62 Union Carbide pesticide 59 defunct Union Carbide 58 deadly methyl isocyanate 57 Union Carbide factory 56 Union Carbide Bhopal 56 aluminum phosphide 56 acrid smelling 55 toxic methyl isocyanate 55 inhaling poisonous 54 inhaled toxic fumes 54 inhaling poisonous gas 54 inhaling toxic 53 hexachlorobenzene 53 cyanide arsenic 53 India Ltd UCIL 52 inhaling chlorine 52 liquefied chlorine 52 inhaling noxious 52 organophosphorus 52 Seveso Italy 52 ethyl benzene 52 cyanide laced 52 poisonous vapors 51 Effluents 51 inhaling toxic fumes 51 carcinogenic benzene 51 manganese smelter 51 Boac River 51 e.coli bacteria 50 benzene arsenic 50 toxic effluents 50 ammoniac 50 WR Grace vermiculite 50 ethyl acrylate 50 Toxic fumes 50 emits noxious 50 sulfuric acids 50 poisioning 50 inhaling carbon monoxide 50 Songhuajiang River 50 Foul smelling 50 heptyl 50 hexachlorobenzene HCB 50 acids solvents 49 Belekeri port 49 ammonium chloride 49 Sulfuric 49 Sodium cyanide 49 releasing toxic fumes 49 infant formula contaminated 49 putrid smelling 49 tarlike 49 zinc sulphate 49 fumes emanating 49 Zyklon B gas 49 discharging untreated 49 Kodungaiyur 49 brewed liquor 49 Fumitoxin 49 highly inflammable 48 finely powdered 48 organophosphorous 48 arsenic benzene 48 Majur Gam 48 diethyl glycol 48 chromic acid 48 sodium coolant 48 organophosphate pesticide 48 Ricin derived 48 oleum 48 methyl isocyanate 48 lethal poison ricin 48 aluminum dross 48 monoxide 48 chlorinated hydrocarbon 48 sodium borate 48 Muriatic acid 48 chlorination tablets 48 formaldehyde resin 48 effluents discharged 48 biphenyls PCBs 48 cyanides 48 Vinyl chloride 48 carbon disulphide 48 chemical slops 48 inflammable chemicals 48 inhaling asbestos 47 Calcium carbide 47 DDT PCBs 47 resorcinol 47 Prussic acid 47 Cow dung 47 safrole 47 raffinate 47 Ethylene oxide 47 ant poison 47 bio degradable waste 47 faeces urine 47 accidentally ingesting 47 molten slag 47 leather tannery 47 fume inhalation 47 inhaling silica 47 Looters stole 47 TCE trichlorethylene 47 dumpyard 47 radioactive thorium 47 amonia 47 Sodium Hydroxide 47 Tokaimura 47 toxified 47 carcinogenic substance 47 inhaled fumes 47 Toxic chemicals 47 inhaling noxious fumes 47 methyl hydrate 47 ammonium nitrogen 47 toxic fumes emanating 46 carcinogenic dioxins 46 herbicide paraquat 46 radioactive cobalt 46 polycyclic aromatic hydrocarbon 46 firedamp 46 VX sarin 46 Prudehoe fields included 46 tritiated 46 methyl chloride 46 CFCs chlorofluorocarbons 46 solvent trichlorethylene 46 discharging effluents 46 pungent smelling 46 teething mixture 46 sodium hydrochloride 46 rotten egg smelling 46 hydrofluoric acids 46 catechu 46 Sanlu powdered milk 46 Delhi Mayapuri 46 clostridium perfringens 46 degreasing agent 46 chemical #,# butanediol 46 phosphine gas 46 milk powder laced 46 #,#,# trichloroethane 46 hydrogen cyanide HCN 46 Khamisiyah 46 contaminating waterways 46 Tylenol capsules 46 Jadugoda 46 methaqualone powder 46 Hydrogen cyanide 46 enriched uranium hexafluoride 46 cowdung 46 fungicidal properties 46 tremolite asbestos 46 Seeping 46 PAHs polycyclic aromatic hydrocarbons 46 methylamine 46 allyl alcohol 46 mercury chromium 46 benzopyrene 46 Daharki 46 Yanbu Saudi Arabia 46 aromatic hydrocarbon 46 Panamanian cough syrup 46 Vinyl Chloride 46 carcinogenic chemicals 46 vapourised 46 toxic hydrogen sulphide 45 chemcial 45 powdered milk laced 45 toxic gasses 45 poisonous 45 drywall emits 45 biphenyls 45 consumed spurious liquor 45 Exhaust fumes 45 sulfuric acid nitric acid 45 sulpher 45 methyl chloroform 45 Noyyal river 45 Sulphur dioxide 45 acetic 45 Chairman Keshub Mahindra 45 toxic hydrogen sulfide 45 Ingested 45 inflammable material 45 hydrocyanic acid 45 hydrocarbon vapors 45 Alar scare 45 Minamata Bay 45 Shiranui Sea 45 inflammable substances 45 organo phosphate 45 oily sludge 45 polynuclear aromatic hydrocarbons 45 paradichlorobenzene 45 toxins leaching 45 PCBs polychlorinated biphenyls 45 crystalline silica dust 45 gamma irradiator 45 vinyl acetate monomer 45 PCBs pesticides 45 belched clouds 45 nuclides 45 mirex 45 sulfur fumes 45 diglycol 45 untreated effluents 45 tainted cough syrup 45 Raspadskaya coalmine 45 methylene chloride 45 chemically contaminated 45 asbestos contaminated vermiculite 45 butyric acid stink 45 benzene nitrobenzene 45 Plachimada village 45 Fukushima nuke 45 Earthly microbes 45 unlabeled containers 45 anthrax botulinum 45 rubbish heaps 45 respired 45 toxic nitrobenzene 45 putrid odors 45 unleashed sarin 45 sulfurated hydrogen 45 radiactive 45 pentachlorophenol 45 residue treater 45 unlined pits 45 methamidophos 44 ethyl ether 44 Muthurajawela 44 nauseating odors 44 Ankleshwar 44 caustic sodas 44 Uphaar Cinema 44 spewed toxic fumes 44 injested 44 Gerdec 44 decaying detritus 44 caustic sludge 44 Taloja 44 leaching toxins 44 unburied bodies 44 sulfuric gases 44 methyl parathion 44 rancid stench 44 sodium bisulfate 44 RDX ammonium nitrate 44 carbonic 44 benzene toluene xylene 44 vibrio bacteria 44 amphibole asbestos 44 specialty organics dioxins 44 Jiyyeh power 44 Tokaimura northeast 44 Carbonaceous 44 Phosphine 44 selenium poisoning 44 Inflammable 44 smokeless gunpowder 44 refugee encampment 44 dichlorobenzene 44 ethylene glycol antifreeze 44 chlorine ammonia 44 nitric 44 mercuric chloride 44 hydrochloric acid spilled 44 noxious gasses 44 calcium sulphate 44 attracting vermin 44 biological toxin 44 volatilized 44 cupric 44 Bhopal 44 radioactively contaminated 44 trichloroethene TCE 44 botulin 44 tributyltin TBT 44 trichloride 44 noxious vapors 44 feaces 44 pesticides herbicides fertilizers 44 Pesticide residues 44 arsenic laced 44 trichloroethane 44 paracetamol syrup 44 inhaling vapors 44 decaying algae 44 stinking corpses 44 desulfurization gypsum 44 toluene diisocyanate 44 n butyl 44 sodium thiosulphate 44 Zyklon B. 44 Shinrikyo 44 foul smelling algae 44 overpressurized 44 Sabarmati riverbed 44 mercuric 44 Mutilated bodies 44 Methomyl 44 boron trifluoride 44 bird excrement 44 cyclosarin 44 dioxins furans 44 absorbs CO2 44 tetrachloroethene PCE 44 baled straw 44 Nitric acid 44 insecticide malathion 44 arsine 44 Mallapur 44 Spurious liquor 44 sized backpack sprayers 43 emit toxic fumes 43 urine faeces 43 Carbofuran 43 acrid aroma 43 rockash 43 trimethyl chloro 43 Chelmno 43 anhydrite 43 hazardous solvents 43 depleted uranium shells 43 trinitrotoluene TNT 43 nitric acids 43 parathion 43 Seveso 43 Metachem 43 Polythene bags 43 toxic pesticide endosulfan 43 colorless flammable liquid 43 fumes emitted 43 Zyklon B 43 unmineable 43 plastics detergents 43 colorless flammable 43 cyanide spillage 43 hatchery raceways 43 Poisonous 43 radioactive radium 43 hydrogen sulphide H2S 43 nano thermite 43 Bangka Belitung islands 43 Phosphide 43 Mihama Nuclear Power 43 weedicide 43 polyaromatic hydrocarbons 43 addictives 43 ammonia nitrate 43 sulfuric 43 nitrogen oxides carbon monoxide 43 Techa River 43 sarin mustard 43 PCBs dioxin 43 poisonous chemicals 43 highly toxic heptyl 43 methyl ethyl ketone 43 inflammables 43 tainted dumplings 43 weevil infestation 43 dioxin laced 43 Sanlu infant formula 43 Decomposing bodies 43 Kothari Sugars 43 gases vapors 43 CCHF virus 43 maggot ridden 43 Sumatra island displacing 43 smelled faintly 43 flamable 43 Agrifos 43 rabbit droppings 43 Chlordane 43 mildly radioactive 43 toxaphene 43 dunder 43 chairman Keshub Mahindra 43 Dadumajra 43 Harles und Jentzsch 43 vegetable peels 43 Madad Khan 43 Vilappilsala 43 vapourized 43 depleted uranium DU munitions 43 began leaking hydrochloric 43 sulfuric acid caustic soda 43 biohazardous waste 43 plutonium oxide 43 jute sacks 43 nitrates phosphates 43 amyl nitrite 43 decomposed corpses 43 formaldehyde benzene 43 aflotoxin 43 Polychlorinated biphenyls PCBs 43 chemical diethylene glycol 43 acrid stench 43 Sigou 43 poisonous gasses 43 barium arsenic 43 element boron 43 clogging waterways 43 sodas chewing gum 43 iron sulphate 43 terpenoids 43 inorganic salts 43 carcinogenic chemical 43 noxious chemicals 43 critic Alexander Litvinenko 43 pentachlorophenol PCP 43 volatilize 43 industrial solvent trichlorethylene 43 benzenes 43 degreasing solvent 43 potassium salts 43 Patancheru 43 organochlorine pesticide 43 hydrochloric acid leaked 43 benzene formaldehyde 42 aerosol spray cans 42 Radioactive contamination 42 Tianyang Food Plant 42 Sulphur Dioxide 42 Polychlorinated biphenyls 42 Sulfuric acid 42 PCBs dioxins 42 cyclohexane 42 pesticide carbofuran 42 Asbestos fibers 42 Tittabawassee River floodplain 42 poisonous cyanide 42 Palos Verdes Shelf 42 poisonous chlorine 42 poisonous fumes 42 decaying corpses 42 Sodium fluoride 42 toxic 42 bottles suntan lotion 42 Deonar dumping ground 42 scraps grass clippings 42 Al Qa Qaa 42 Cosco Busan spilled 42 chloromethane 42 sarin nerve gas 42 smog forming compounds 42 deloused 42 Belekeri 42 lorries transporting 42 foul smelling odor 42 potassium carbonate 42 mercury dioxins 42 colorless crystalline 42 polychlorinated biphenyl PCB 42 BPA Bisphenol 42 poisoned 42 sarin nerve 42 radioactive nuclei 42 arsenic contaminated 42 Highly radioactive 42 Chhattisgarh Durg district 42 pesticides solvents 42 cluster bombs depleted uranium 42 Pithampur 42 Wah garrison city 42 creosote soaked 42 foul smelling sludge 42 chlorate 42 Potassium hydroxide 42 contaminates groundwater 42 inhaling charcoal 42 isotope polonium 42 saxitoxin 42 hazardous vapors 42 garbage heaps 42 soils sediments 42 Severed limbs 42 strychnine arsenic 42 VJ Distributors 42 Henri Becquerel 42 carcinogenic byproducts 42 shrapnels 42 sodium hydrosulfite 42 HBCD 42 coal tars 42 asbestos insulation 42 radioactive depleted uranium 42 contracted asbestosis 42 carcinogens benzene 42 methanol poisoning 42 Japanese cult Aum 42 caustic liquid 42 anthrax botulinum toxin 42 chemical malachite green 42 Sarin nerve 42 toxic residues 42 South Pyongan province 42 radionuclide contamination 42 UF6 uranium hexafluoride 42 combustion byproducts 42 Nimalawa 42 microscopic spores 42 inhale fumes 42 rare Irrawaddy dolphins 42 perch whitefish 42 carcinogenic polycyclic aromatic hydrocarbons 42 produced synthetically 42 dichloroethane 42 coli O# H7 42 Corrosive 42 perchloric acid 42 Firefighters hosed 42 tasteless odorless 42 carelessly disposed 42 leach toxins 42 strontium cesium 42 plutonium americium 42 toxic dioxins 42 Mercaptan 42 malba 42 pesticides insecticides 42 organotins 42 phosphine 42 radioactive isotope Polonium 42 DDT dieldrin 42 herbicide residues 42 tailing piles 42 Cobra venom 42 Zijinshan Gold 42 Radioactive waste 42 Carbon monoxide CO 42 Bhilai steel 42 Hermann Goering fatally 42 ricin poison 42 TCE PCE 42 swallowing cyanide 42 chlorinated compounds 42 Diethyl 42 PCB polychlorinated biphenyls 42 khat leafy 42 carbon monoxide sulfur dioxide 42 syringe needles 42 chapati flour 42 contain oxalic acid 42 flammable corrosive 42 DDVP 42 cellophane wrapped bundles 42 sarin VX 42 explosive ammonium nitrate 41 dichloroethene 41 VX nerve 41 tetrachlorethylene PCE 41 Ozone depleting 41 depleted uranium DU 41 Foetuses 41 bio fertilizers 41 spew pollutants 41 urea nitrate 41 liquified 41 Rotting garbage 41 Argomulyo village 41 tailing pond 41 Rotting corpses 41 contaminate wheat gluten 41 dioxin concentrations 41 Chromium VI 41 Phosgene 41 Jiyyeh 41 rat poisons 41 Jaitapur Maharashtra 41 methomyl 41 Aldicarb 41 neem leaves 41 nonradioactive 41 lewisite 41 carbon monoxide colorless odorless 41 inhaling airborne particles 41 India Limited UCIL 41 Hydrochloric 41 bacterium Clostridium 41 acrid fumes 41 air pollutants emitted 41 saltpetre 41 contain tetrodotoxin 41 unlawfully discharging 41 stench emanated 41 organophosphorus pesticides 41 Khewra 41 Potassium nitrate 41 fibrous mineral 41 cancer causer 41 sulphurous smell hung 41 radioactively 41 leach toxic chemicals 41 nitrogen dioxide carbon monoxide 41 Spillage 41 triffids 41 worm infested 41 dispersible 41 odorless carbon monoxide 41 nitric acid hidden 41 household detergents 41 Urali Devachi 41 dyes preservatives 41 Ozone Depleting 41 aquaculture ponds 41 granulated slag 41 Kaiga Nuclear Power 41 Squalene 41 tiffin bomb 41 Ludwigshafen Germany BASF 41 oily wastes 41 Taixing Glycerine Factory 41 halogenated compounds 41 Agent Orange defoliant sprayed 41 al Qa Qaa 41 arsenical 41 Sitapura industrial area 41 biohazardous 41 harmful radiations 41 beryllium dust 41 ethoxylates 41 unlined ponds 41 cesium strontium 41 emit carbon monoxide 41 Kaiga atomic power 41 benzene ethylbenzene 41 toxic algal bloom 41 tributyl tin 41 Nicaraguan banana workers 41 RDX explosives 41 arsenic cadmium mercury 41 milk powder contaminated 41 carcinogenic toxins 41 Montara wellhead 41 butter flavorings 41 saltwater lagoons pools 41 pungent stench 41 heptachlor 41 antibiotic chloramphenicol 41 Hookworms 41 Mithi Virdi 41 hydrofluoric 41 Belhaf 41 Dioxane 41 Polychlorinated Biphenyls 41 Amlekhgunj 41 noxious smell 41 foul smelling odors 41 antibiotic tetracycline 41 organo 41 Chisso Corp. 41 deformed babies 41 fishkill 41 oxidises 41 Koyna Dam 41 Kaiga nuclear 41 potent carcinogens 41 Gelatine sticks 41 chemically neutralized 41 Bharat Aluminium Company 41 Tsuruga Fukui Prefecture 41 sprayed herbicide 41 paints solvents pesticides 41 chlorobenzene 41 arsenic selenium 41 Ammonium Nitrate 41 Polychlorinated Biphenyls PCBs 41 nitrous oxide N2O 41 sulfur dioxide particulates 41 HN# [002] 41 radioactive Polonium 41 hallucinogenic substances 41 phosphoric acids 41 #ft chimney 41 dioxin TCDD 41 Stefan Sylvestre 41 Sahnoun Daifallah 41 corrodes metal 41 leftover ordnance 41 sap sucking 41 Radioactive Iodine 41 chemical 41 flammable solvents 41 Chew Bars 41 Improperly disposed 41 Suva wharves 41 My Pikin teething 41 sodium sulfite 41 methyl ethyl 41 spewed radioactive 41 bacteria Clostridium botulinum 41 pine sap 41 chemically laced 41 potassium iodate 41 spore forming bacterium 41 caustic wastewater 41 Depleted Uranium DU 41 LAM coke 41 unmistakable stench 41 decaying vegetation 41 Carbon monoxide fumes 41 flatulent cows 41 Hydraulic fluid 41 Thi Vai River 41 al Muhaimin mosque 41 coli bacteria 41 Ajkai 41 Jaduguda 41 chlorine bromine 41 Odhav localities 41 glycol ether 41 cosmonauts aboard 41 trinitrotoluene 41 secreting glands 41 bromine compounds 41 Tetrodotoxin 41 Microscopic particles 40 phytoplankton zooplankton 40 sulfur mustard 40 sulfur gases 40 diethylene glycol imported 40 fetid stench 40 Pungent 40 ships MSC Chitra 40 chlorine bleaching 40 Contaminated soil 40 roundworm eggs 40 tabun 40 Tabun 40 vaporised 40 calcium hydroxide 40 Contaminated groundwater 40 consuming prasad 40 DuPont DeLisle plant 40 margarita cocktails 40 flood overturned Erdelyi 40 Inorganic arsenic 40 polychlorinated biphenyl 40 Spelter W.Va. 40 putrescent 40 cattle dung 40 pesticide malathion 40 flame retarding 40 coli salmonella 40 evaporation pond 40 osmium tetroxide 40 coral skeletons 40 Dimethyl 40 Mayon slopes 40 zebra mussel larvae 40 parasites fungi 40 Hexavalent chromium 40 Nemagon 40 Sodium hydroxide 40 sulfurous gases 40 belching fumes 40 Improperly stored 40 skimmings 40 disseminated sulfide 40 depleted uranium munitions 40 Hydrogen sulfide 40 believe toxic phosphine 40 carbon disulfide 40 Valuables worth 40 Explosive laden 40 maggot infestations 40 engineers AIChE SmartBrief 40 fruit peels 40 synthetic stimulant 40 Tricastin nuclear 40 stain resistant carpets 40 Serum phosphorus 40 leaked tritium 40 ingesting poisonous 40 khapra beetle 40 gasified 40 Lake Nyos 40 perchlorethylene PCE 40 Acetaldehyde 40 organochlorine 40 oxidized cholesterol 40 scatter radioactive 40 ecologically unsound 40 Jhagadia 40 waterborne parasites 40 sulfated chondroitin sulfate 40 chrysanthemum flowers 40 explosed 40 Volcanic gases 40 stomach pains vomiting 40 Kuru Karama 40 Balaz Ruz 40 perchlorethylene toxic 40 Water hyacinth 40 Vikane 40 mutiliated 40 arsenic cyanide 40 putrefied 40 explosive HMX 40 sulfur trioxide 40 bootleg vodka 40 solvent vapors 40 undissolved 40 Hamgyong province 40 paint thinners solvents 40 alpha emitter 40 pigeons crows 40 soiled nappies 40 Hydrogen Sulphide 40 volcano spewed ash 40 endrin 40 Nitrite 40 teething syrup 40 burning peat bogs 40 Radiation leaks 40 Uphaar theater 40 claymore bombs 40 Unmanned drone 40 Ethylene Glycol 40 Limonene 40 pesticides flame retardants 40 polluting groundwater 40 Polybrominated diphenyl ethers 40 Illegally dumped 40 solvents cleaners 40 charcoal filters 40 Airplanes sprayed 40 unapproved genetically modified 40 Indonesia volcano erupts 40 Jilin Petrochemical 40 odorless liquid 40 Charred bodies 40 Sumbawa Island under 40 sodium fluoroacetate 40 unexploded cluster bomb 40 acaricide 40 countrymade 40 Gopalpur port 40 Methyl mercury 40 Nicaraguan banana plantations 40 sullage 40 saltpeter 40 Flies buzzed 40 rodent urine 40 Protesters hurled rocks 40 bactericide 40 unfired rockets 40 monoterpenes 40 pesticides herbicides fungicides 40 methyl mercaptan 40 toxic wastes 40 botulism toxins 40 chlorofluorocarbons CFC 40 millimeter artillery shells 40 chartarum 40 toluene benzene 40 listeria monocytogenes bacteria 40 Lindane 40 incendiary munition 40 Hydrogen Sulfide 40 Tesoro Anacortes refinery 40 unbearable stench 40 solanine 40 Katunayake airbase 40 inflammable materials 40 Lukman Abdul Qader 40 botanical insecticide 40 Thi Vai 40 imazapyr 40 Shell Muskeg River 40 coal briquettes 40 outgas 40 radioactive isotopes chemotherapeutics cytokines 40 combustible gases 40 mold dust mites 40 Jiyeh 40 Danversport neighborhood 40 induces vomiting 40 harmful vapors 40 human excreta 40 dehydration exhaustion 40 charcoal stove 40 degassed 40 Nitrogen trifluoride 40 hazardous waste incineration 40 radioactive nuclides 40 Perchlorates 40 reproductive toxicants 40 pour molten 40 Dichloro Diphenyl Trichloroethane DDT 40 contaminates drinking 40 Supt Krimmer 40 industrial degreaser 40 Zinc Smelting Co. 40 Jhagadia Gujarat 40 Caustic Soda 40 Wah cantonment 40 arsenic cadmium chromium 40 benzene carcinogen 40 leptospirosis bacterial disease 40 acrid black 40 tarlike substance 40 Chlorpyrifos 39 pesticide methamidophos 39 inhaling spores 39 polychlorinated 39 incinerated 39 kt yr 39 mimics estrogen 39 Mihama nuclear 39 ferric chloride 39 infected fowl 39 aerosolised 39 fragrances dyes 39 chemically indistinguishable 39 antivehicle mines 39 PFCAs 39 bauxite residue 39 chairman Srikumar Banerjee 39 #.#mln ton [001] 39 Buqayq 39 foamy bubbles 39 clog landfills 39 sludges 39 dehydration hyperthermia 39 suspected carcinogen 39 nuclear submarine Nerpa 39 emit fumes 39 causing convulsions paralysis 39 nickel carbonyl 39 Chlorinated 39 leaking tritium 39 VOCs Volatile Organic Compounds 39 solvents pesticides 39 Brahmapuram 39 Sijeruk 39 butyl acetate 39 Radioactive material 39 jellied gasoline 39 Ultrafine particles 39 aromatic amine 39 Rat poison 39 bleach ammonia 39 diethylene glycol chemical 39 fume belching 39 magnesium silicate 39 oxidising agent 39 sulfur gasses 39 uncontrolled bowel movements 39 pesticides chlorpyrifos 39 rendered Lake Tenkiller 39 sodium nitrate 39 Blast injures 39 Narora 39 diisocyanate MDI 39 rodent poisons 39 Formalin 39 zinc orthophosphate 39 herbicide Spike #DF 39 Ulyanovskaya 39 nitrogen oxides sulfur oxides 39 negligently discharging 39 benzene xylene 39 Mealy bugs 39 emits sulfur 39 Nazi extermination camps 39 asbestos laced vermiculite 39 claymore mine weighing 39 barium sulphate 39 irritate lungs 39 miscreants hurled 39 cadmium barium 39 Jiyeh power 39 Buyat 39 GDCL 39 unexploded ordinances 39 zinc chloride 39 swampy wasteland 39 artificial sweetener saccharin 39 Pat Farnelli 39 Uphaar cinema 39 odors emanating 39 produce briny wastewater 39 Mathura refinery 39 Ronald Maddison 39 Hindenburg airship 39 clenbuterol tainted 39 Qunli mine 39 sulfuryl fluoride 39 bioorganic 39 ingesting rat poison