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(Click for frequent words.) 69 pollutant 66 toxic pollutants 65 persistent bio accumulative 65 bioaccumulative 65 pollutants 64 PCBs dioxins 64 toxic dioxins 63 mercury potent neurotoxin 63 potent neurotoxin 63 Hydrogen sulfide 63 toxic chemicals 62 toxaphene 62 polyaromatic hydrocarbons 62 toxins 62 reproductive toxicants 62 Diesel exhaust 62 PAHs polycyclic aromatic hydrocarbons 62 harmful contaminants 61 Methylmercury 61 harmful toxins 61 toxic substances 61 carcinogens mutagens 61 arsenic cadmium chromium 61 Sulfur dioxide 61 tetrachloroethene 61 carcinogenic chemicals 61 furans 61 crystalline silica 60 carcinogenic compounds 60 carcinogens 60 ozone particulate matter 60 arsenic selenium 60 suspected carcinogen 60 PCBs polychlorinated biphenyls 60 Nitrogen oxide 60 deca BDE 60 mercury dioxins 60 ozone particulates 60 trichloroethane 60 potent carcinogen 60 mercury emitted 59 contaminants 59 trihalomethanes THMs 59 contaminant 59 mercury arsenic 59 Volatile Organic Compounds VOC 59 bio accumulative 59 Particulates 59 dichloroethene 59 dioxins furans 59 harmful chemicals 59 arsenic mercury 59 Carbon dioxide CO2 59 chromium VI 59 Chromium VI 59 #,# butadiene 58 Sulphur dioxide 58 toxic 58 benzo pyrene 58 arsenic chromium 58 carcinogenic byproducts 58 perfluorinated compounds 58 Volatile Organic Compounds VOCs 58 particulate matter nitrogen oxides 58 carcinogenic dioxins 58 airborne particulates 58 neurotoxin 58 respiratory irritant 58 organochlorines 58 Endocrine disruptors 58 particulates 58 airborne particulate matter 58 nitrogen oxides carbon monoxide 58 toxicants 58 sulfur trioxide 58 carbon tetrachloride 58 microcystins 58 Nitrogen oxides 58 pollutants emitted 58 biphenyls 58 polycyclic aromatic hydrocarbon 58 fine particulates 58 sulfur gases 58 harmful vapors 57 heptachlor 57 methyl chloroform 57 benzene carcinogen 57 pentachlorophenol 57 amphibole asbestos 57 carcinogen 57 cancer causer 57 carbon disulfide 57 harmful pollutants 57 polychlorinated biphenyls PCBs 57 Elemental mercury 57 fine particulate pollution 57 polybrominated 57 tributyl tin 57 cadmium arsenic 57 Volatile Organic Compounds 57 trichloroethene TCE 57 nitrous oxides 57 Particulate matter 57 hydrocarbons carbon monoxide 57 methyl chloride 57 diesel particulate matter 57 neuro toxin 57 metal degreasing 57 carbon monoxide particulate matter 57 diesel particulates 57 polychlorinated biphenyl PCB 57 Carbon monoxide CO 57 Polybrominated 57 mercury chromium 57 methyl mercury 57 dioxin PCBs 57 polynuclear aromatic hydrocarbons 57 toxics 56 THMs 56 hormone disrupter 56 groundwater contaminant 56 Particle pollution 56 carcinogenic 56 Hexavalent chromium 56 harmful gasses 56 bioaccumulation 56 Nitrogen Oxide 56 particulate soot 56 sulfur dioxide SO2 56 cyanide arsenic 56 endocrine disrupting chemical 56 Dioxane 56 contrast chlorine disinfection 56 solvent vapors 56 PVC phthalates 56 formaldehyde benzene 56 thirdhand smoke 56 perfluorinated chemicals 56 dioxins PCBs 56 Fecal coliform 56 oxidized mercury 56 persistent bioaccumulative 56 polychlorinated biphenyl 56 Volatile organic compounds 56 hazardous solvents 56 hazardous substances 56 mercury chromium cadmium 56 beryllium dust 56 inorganic mercury 56 carbon monoxide nitrogen dioxide 56 Tailpipe emissions 56 DDT PCBs 56 elemental mercury 56 powerful neurotoxin 56 potent greenhouse gas 55 Sodium cyanide 55 hydrocarbon vapors 55 potentially carcinogenic 55 mimics estrogen 55 benzopyrene 55 carcinogenic substance 55 nitrogen oxides NOx 55 mercury sulfur dioxide 55 emit sulfur dioxide 55 sulphates 55 smog forming gases 55 air toxics 55 PBDE 55 mercury pollution 55 flammable corrosive 55 harmful byproducts 55 soot smog 55 TCE PCE 55 airborne pollutant 55 sulfur dioxide pollutant 55 Greenhouse gasses 55 Dioxins 55 Acrolein 55 gaseous pollutants 55 sulfur dioxide pollution 55 BTEX 55 mercury 55 incomplete combustion 55 plutonium americium 55 endocrine disrupting chemicals EDCs 55 Sulfur Dioxide 55 toxin 55 trihalomethane 55 particulate pollutants 55 chlorinated solvents 55 Hydrochloric 55 particulate matter soot 55 benzene toluene 55 trichloroethene 55 polychlorinated PCBs 55 degreasing solvent 55 reproductive toxins 55 carbon monoxide hydrocarbons 55 carcinogen benzene 55 Chlordane 55 pthalates 55 tremolite asbestos 55 oxidizing agent 55 Polychlorinated biphenyls 55 volatile organic compounds 55 estrogenic compounds 55 arsenic manganese 55 sulfur oxides nitrogen oxides 55 pollution 55 Nitrogen dioxide 55 cadmium chromium 55 perfluorocarbons PFCs 55 halogenated 55 arsenic benzene 55 endocrine disrupting chemicals 55 colorless odorless tasteless 55 acrolein 55 Hydrogen Sulfide 55 chlorine byproducts 55 Nitrogen Oxides 55 air pollution 54 sulfur dioxide nitrogen dioxide 54 polycyclic aromatic hydrocarbons PAHs 54 synthetic musks 54 Methyl mercury 54 Chrysotile asbestos 54 particulate pollution 54 disinfection byproducts 54 nitrous oxide N2O 54 smog forming 54 dioxins 54 sulfur dioxide nitrogen oxide 54 mercury vapors 54 chlorinated compounds 54 mercury cadmium 54 DDT dieldrin 54 smog forming compounds 54 chromium cadmium 54 probable carcinogens 54 bioaccumulates 54 sulfuric acid mist 54 TBBPA 54 biphenyl 54 aquatic toxicity 54 endocrine disrupter 54 hydrogen sulphide H2S 54 furan 54 dioxides 54 sulfur oxide 54 sulfur dioxide SO2 nitrogen 54 hormone disruptor 54 Inert ingredients 54 endocrine disruptor 54 naturally occurring radioactive 54 arsenic cadmium mercury 54 particulate matter 54 toxicant 54 fibrous mineral 54 Acrylamide 54 sulfur dioxides 54 lung irritant 54 invisible odorless tasteless 54 carcinogenic polycyclic aromatic hydrocarbons 54 sulfur hexafluoride SF6 54 hex chrome 54 Polychlorinated biphenyls PCBs 54 Sulfate 54 algal toxins 54 smog forming pollutants 54 harmful substances 54 flame retardants PBDEs 54 pyrene 54 #,#,# trichloroethane 54 polycyclic aromatic hydrocarbons 54 radioactive 54 HAAs 54 Carcinogen 54 Hydrogen Sulphide 54 polybrominated diphenyl ethers PBDEs 54 nitrogenous compounds 54 Athabasca watershed 54 carbon monoxide nitrogen oxides 54 sulfuryl fluoride 54 toxic residues 54 hexavalent chromium polybrominated biphenyls 54 Toxics Release Inventory TRI 54 benzene arsenic 54 aromatic hydrocarbons 54 flammable vapors 53 organochlorine 53 Inorganic arsenic 53 chlorinated hydrocarbons 53 diesel particulate 53 nitrates phosphates 53 diesel exhaust 53 poisonous gasses 53 carcinogenic PCBs 53 polybrominated diphenyl ether PBDE 53 organic pollutants POPs 53 Brominated 53 Tetrachloroethylene 53 toxic polychlorinated biphenyls 53 PDBEs 53 polychlorinated 53 perfluorooctanoic acid PFOA 53 airborne pollutants 53 PAHs 53 tetrachloroethene PCE 53 arsenic 53 Fine particulates 53 pathogenic micro organisms 53 VOCs Volatile Organic Compounds 53 noxious pollutants 53 ozone depleting substance 53 hazardous 53 oxide hydrofluorocarbons perfluorocarbons 53 Microcystis 53 Hazardous substances 53 Polycyclic aromatic hydrocarbons 53 biphenyls PCBs 53 phosphine 53 fine particulate 53 Fine particulate matter 53 carcinogenic toxins 53 airborne toxins 53 nitrogen oxide NOx emissions 53 toxic vapors 53 potent carcinogens 53 perfluorocarbons 53 hydrofluorocarbons HFCs perfluorocarbons PFCs 53 cadmium hexavalent chromium 53 lead mercury cadmium 53 hazardous chemicals 53 inhalation hazard 53 perfluorooctane sulfonate PFOS 53 pollutant ozone 53 inorganic salts 53 #,# DCB 53 formaldehyde carcinogen 53 organophosphate exposure 53 VOCs 53 Particulate pollution 53 hormone disrupting 53 greenhouse gases GHGs 53 PBDE flame retardants 53 CFCs chlorofluorocarbons 53 magnesium carbonate 53 hydrogen chloride 53 particulate matter PM#.# 53 Carbon Dioxide CO2 53 Pollutant 53 particulate matter PM 53 TCE trichlorethylene 53 microcystin 53 hydrogen sulfide ammonia 53 SO2 53 crystalline silica dust 53 Acetaldehyde 53 PCBs pesticides 53 odorless colorless gas 53 cadmium Cd 53 toxic wastes 53 smog forming pollution 53 atmospheric deposition 53 cadmium mercury 53 Hydrochloric acid 53 Methyl bromide 53 benzene ethylbenzene 53 phosphorus pollution 53 mercury PCBs 53 carcinogenic substances 53 PVC plastics 53 Deca BDE 53 Fine particle pollution 52 combustion byproducts 52 Trichloroethylene 52 PVC shower curtains 52 Sulfates 52 spontaneously ignite 52 toxic methylmercury 52 cyanides 52 oxidising 52 tropospheric ozone 52 Particulate 52 outgas 52 Nitrogen Oxide NOx 52 microscopic soot particles 52 hazardous vapors 52 sulfur dioxide mercury 52 emit pollutants 52 Carcinogenic 52 PAH compounds 52 TTHMs 52 2 butoxyethanol 52 Polluted runoff 52 poisonous chemicals 52 ultrafine particles 52 harmful 52 chlorine atoms 52 carbon dioxide sulfur dioxide 52 chemical perfluorooctanoic acid PFOA 52 hydrogen chloride HCl 52 benzene 52 soot pollution 52 Nitrogen NOx 52 toxic byproducts 52 Hexavalent Chromium 52 #,# dichlorobenzene 52 toxic flame retardants 52 Carbon tetrachloride 52 combustion gases 52 triclocarban 52 greenhouse gases GHG 52 hormone disrupters 52 phenanthrene 52 DBPs 52 radium naturally occurring 52 nitric oxides 52 cadmium mercury hexavalent 52 PFCAs 52 potent toxin 52 mercury selenium 52 PFOAs 52 Nitric acid 52 drywall emits 52 dental amalgam fillings 52 sulfur dioxide 52 Benzo pyrene 52 Vinyl chloride 52 trichloramine 52 Nitrogen Dioxide 52 tetrachlorethylene 52 haloacetic acids 52 chlorinated pesticides 52 VOC Volatile Organic Compounds 52 nitrogen dioxides 52 silica dust 52 pesticide chlorpyrifos 52 Air Pollutants 52 addictive nicotine 52 airborne asbestos fibers 52 Carcinogens 52 monoxide 52 chlorinated solvent 52 barium cadmium 52 PCBs dioxin 52 smokestack emissions 52 oxidizing salt 52 stratospheric ozone depletion 52 Hydrogen sulphide 52 diphenyl ethers 52 Ultrafine particles 52 phthalate esters 52 ozone depleting gases 52 #,# dichloroethane 52 hydrofluoric acid 52 poly aromatic hydrocarbons 52 harmful radiations 52 particulate matter emissions 52 particulate matter emitted 52 decaBDE 52 tetrachlorethylene PCE 52 sulfur oxide SOx 52 nitrogen oxides NOx emissions 52 reproductive toxicity 52 National Pollutant Release 52 DEHA 52 nitrogen oxide NOX 52 arsenic boron 52 impurities contaminants 52 nitrogen NOx 52 smog forming nitrogen oxide 52 VOCs volatile 52 nondetectable 52 hydraulic fracturing fluids 52 Brominated flame retardants 52 trivalent chromium 52 arsenic antimony 52 PCBs 52 Particulate Matter PM 52 carcinogenic benzene 51 harmful particulates 51 oxidizers 51 toxic waste 51 Ionizing radiation 51 Polychlorinated Biphenyls 51 nitrate nitrogen 51 photochemical smog 51 Ozone Depleting 51 endrin 51 chlorinated hydrocarbon 51 sulfur dioxide SOx 51 manganese zinc 51 aromatic amines 51 elemental sulfur 51 respiratory irritants 51 toxic gasses 51 polycyclic aromatic hydrocarbons PAH 51 Trichloroethylene TCE 51 Sodium hydroxide 51 oxide sulfur hexafluoride 51 sulfur dioxide SO2 emissions 51 carcinogenic fibers 51 polybrominated diphenyl ether 51 fine particulate matter 51 respirable 51 benzene toluene xylene 51 Ozone depleting 51 ozone pollutant 51 Carbonyl 51 Nitrosamines 51 xylenes 51 Triclosan 51 dieldrin 51 Pollutants 51 flame retardant chemicals 51 toxic hydrogen sulfide 51 sulfur hexafluoride 51 hexachlorobenzene 51 estrogenic chemicals 51 greenhouse gas nitrous oxide 51 acid PFOA 51 Ozone disinfection produces 51 Methylene Chloride 51 organophosphate insecticide 51 endocrine disrupting 51 oxidizing substance 51 containing soot dioxins 51 ozone O3 51 mercury barium 51 endotoxins 51 dioxide 51 hexavalent chrome 51 fluorocarbons 51 smog soot 51 methylene chloride 51 toxic hydrogen sulphide 51 automobile tailpipes 51 respiratory tract irritation 51 dental amalgam 51 organophosphorus pesticides 51 carbon monoxide sulfur dioxide 51 trichlorethylene TCE 51 Contaminant 51 Inventory NPRI 51 methylmercury 51 insecticide endosulfan 51 nitrosamines 51 para dichlorobenzene 51 PCBs DDT 51 indoor radon 51 Carbofuran 51 sulfur dioxide particulate matter 51 AB# mandates 51 superoxides 51 hexavalent chromium 51 neurotoxic 51 trichlorethylene 51 particles emitted 51 toxic pesticides 51 exceedences 51 algal toxin 51 barium chromium 51 carcinogen NNK 51 soot particles 51 inorganic arsenic 51 particulate 51 flammable solvents 51 deplete ozone 51 Perchlorate 51 hazardous waste 51 ecotoxicological 51 tributyltin 51 artificial sweetener saccharin 51 soluble salts 51 secondhand smoke SHS 51 cadmium barium 51 BTEX chemicals 51 Asbestos fibers 51 sulfur dioxide carbon monoxide 51 polybrominated diphenyl ethers 50 odorless colorless tasteless 50 haloacetic acid 50 alpha emitter 50 fine particle pollution 50 arsenic contaminated 50 organotins 50 benzene formaldehyde 50 mercury arsenic cadmium 50 microscopic soot 50 nitrogen trifluoride 50 #,# Dioxane 50 Sewage sludge 50 particulate emission 50 toxic pesticide endosulfan 50 Tobacco Smoke 50 gypsum byproduct 50 diesel particulate emissions 50 Volatile Organic Compound VOC 50 particulate matter sulfur dioxide 50 polybrominated biphenyls 50 contaminating groundwater 50 hydroxyl radicals 50 perfluorooctane sulfonate 50 radioactive nuclides 50 Greenhouse gases 50 friable asbestos 50 azinphos methyl 50 Pollution 50 respirable particles 50 NOX emissions 50 mercury contamination 50 mirex 50 fluorotelomers 50 reactive oxygen molecules 50 carcinogen hexavalent chromium 50 leachates 50 hexane 50 nitrogen oxide emission 50 Stormwater runoff 50 hormone disruptors 50 calcium sulfate component 50 ethoxylates 50 sulfer 50 Sulfur compounds 50 Sulphur Dioxide 50 harmful residues 50 Dieldrin 50 Acid Rain Program 50 nitrous oxides NOx 50 Hydrogen Sulfide H2S 50 respirable suspended particulates 50 ethyl acrylate 50 particulate matter PM# 50 Elevated concentrations 50 lead cadmium arsenic 50 PPCPs 50 BDEs 50 nitrogen oxide pollution 50 bioaerosol 50 sulfuric compounds 50 radiological contaminants 50 polycarbonate plastic bottles 50 ammonia hydrogen sulfide 50 Improper disposal 50 chemical malachite green 50 diethyl 50 nitrogen dioxide carbon monoxide 50 tobacco specific nitrosamines 50 dissolved oxygen DO 50 pollutant discharge 50 hydrogen sulfide 50 Persistent Organic Pollutants POPs 50 nitrogen oxide 50 Particulate Matter 50 HBCD 50 SVHCs 50 nitrogen oxide sulfur dioxide 50 Toxic Release Inventory 50 Burning fossil fuels 50 nonylphenol 50 polychlorinated biphenyls 50 Breathing ozone 50 Sulfur Dioxide SO2 50 americium 50 endocrine disruptors 50 polluted 50 chlordane 50 chemical ammonium perfluorooctanoate 50 phosphine gas 50 brominated flame retardant 50 PM#s 50 nitrogen oxides sulfur oxides 50 antimony arsenic 50 Mercaptan 50 colorless odorless radioactive 50 dissolved solids 50 Air Contaminant 50 colorless odorless poisonous 50 CFCs HCFCs 50 SOx NOx 50 pollutant particles 50 soot particulates 50 asthma chronic bronchitis 50 hydroxyl radical 50 carcinogenic pollutants 50 hydrogen cyanide HCN 50 PM# particles 50 fragrances dyes 50 magnesium silicate 50 sulfur dioxide emission 50 perfluorochemicals 50 fecal chloroform 50 solvents 50 PBDEs polybrominated diphenyl ethers 50 ethyl mesilate 50 tremolite 50 chlorine bleaches 50 Methane CH4 50 fluorinated chemicals 50 organophosphate pesticide 50 toxicity 50 naturally occurring arsenic 50 asbestosis lung cancer 50 colorless flammable 50 organochlorine pesticides 50 lindane 50 poisonous hydrogen sulphide 50 SO2 emissions 50 corrosive gases 50 bioaccumulate 50 toxic solvents 50 methane CH4 50 phthalates chemicals 50 naturally occurring radium 50 unburned hydrocarbons carbon monoxide 50 Radon naturally occurring 49 ozone nitrogen dioxide 49 emits greenhouse gases 49 halogenated flame retardants 49 carbondioxide 49 perchlorethylene 49 chromium mercury 49 industrial solvent trichlorethylene 49 microbiological organisms 49 inorganic contaminants 49 amalgam dental fillings 49 endocrine disrupting compounds 49 human carcinogen 49 NOx nitrogen oxide 49 chlorine bleaching 49 toluene benzene 49 microscopic airborne particles 49 condensable 49 Flame retardants 49 carcinogenic chemical 49 BPA Bisphenol 49 desulfurization gypsum 49 oceanic pollutants 49 allergens irritants 49 chemicals 49 Toxic chemicals 49 arsenic antimony mercury 49 methyl naphthalene 49 SOx emissions 49 hydrochlorofluorocarbon 49 dichlorobenzene 49 radionuclide 49 allyl alcohol 49 Contaminants 49 Carbon Monoxide CO 49 DecaBDE 49 Particulate emissions 49 pollutes groundwater 49 ultra violet radiation 49 vinyl chloride 49 Hydrogen cyanide 49 iron sulfide 49 noxious gasses 49 hexachlorobenzene HCB 49 nonhazardous waste 49 magnesium hydroxide 49 carcinogenic fumes 49 produce briny wastewater 49 flux residues 49 coal tar sealant 49 petroleum distillates 49 organochlorine pesticide 49 respirable crystalline silica 49 octa BDE 49 chemical bromate 49 ROHS directive 49 PM#.# 49 Cadmium 49 brominated flame retardants 49 cyclohexane 49 salty dissolved solids 49 sulfur dioxide nitrous oxide 49 arsenic radium 49 deplete oxygen 49 Excess nitrogen 49 tailpipe gases 49 polycyclic aromatic compounds 49 corrosives 49 sensitizers 49 toxic methyl mercury 49 arsenic beryllium 49 VOCs volatile organic compounds 49 cow belches 49 Halogenated 49 cadmium poisoning 49 PFOS 49 gases 49 Maximum Contaminant Levels 49 Nitrogen Oxides NOx 49 sooty particles 49 VOC emissions 49 solvents pesticides 49 phthalates DEHP 49 Chlorinated 49 radioactive thorium 49 sulfur oxides SOx 49 NO2 49 VOC emission 49 Ultraviolet radiation 49 chromium 49 tailpipe pollutants 49 Estrogenic 49 anaerobic decomposition 49 respiratory illnesses birth defects 49 gaseous emissions 49 benzene toluene ethylbenzene 49 thermal decomposition 49 carcinogen dioxin 49 nitrification 49 sulfolane 49 particulate contaminants 49 radionuclides 49 hydrofluorocarbons HFCs 49 nitrite nitrate 49 PBTs 49 radioactive contaminants 49 Trihalomethanes 49 Bromate 49 particulate opacity mercury 49 foul smelling odor 49 pesticide lindane 49 nuclides 49 Chloramines 49 groundwater contaminants 49 degreasing agent 49 Polychlorinated 49 domoic acid naturally occurring 49 chloride concentrations 49 carbon dioxide nitrogen oxide 49 coal tar sealants 49 lung cancer mesothelioma 49 radioactive depleted uranium 49 SO2 emission 49 neodymium Nd 49 chemical perfluorooctanoic acid 49 chlorinated flame retardants 49 brominated flame 49 dimethyl sulfide 49 sulfide nanoparticles 49 odorless tasteless 49 methyl tert butyl ether 49 chlorate 49 atmospheric pollutants 48 noxious chemicals 48 slurry ponds 48 dioxin TCDD 48 Groundwater contamination 48 carbon dioxide CO ² 48 dioxane 48 hazardous substances pollutants 48 phosphorous 48 electromagnetic fields EMFs 48 SF6 48 polyvinyl chlorides 48 mold dust mites 48 petroleum hydrocarbons 48 estrogen mimicking 48 pollutes streams 48 bioaerosols 48 dichloroethane 48 dichloroethylene 48 tar nicotine 48 DDT pesticide banned 48 PBDE chemicals 48 trace amounts 48 Toxins 48 microbial degradation 48 Global Warming Potential GWP 48 eutrophic 48 engineered nanomaterials 48 putrid odors 48 nontarget species 48 Dear EarthTalk Are 48 asbestos fibers 48 Domestically TexCom disposes 48 Stachybotrys chartarum 48 diphenyl ether 48 dioxin 48 trihalomethane levels 48 heat trapping pollutants 48 sulfur dioxide nitrogen 48 antimony trioxide 48 benzenes 48 phosphates nitrates 48 iron manganese 48 glycol ethers 48 fluorides 48 PBDEs 48 Oxidative stress occurs 48 hazardous wastes 48 perfluorooctanoate PFOA 48 contaminate shellfish 48 Microscopic particles 48 bacterial decomposition 48 contaminated sediments 48 mercury Hg 48 Ethylene oxide 48 benzyl alcohol 48 marine biotoxin 48 phosphorus 48 aquatic organisms 48 chromium polybrominated biphenyl PBB 48 BPA bisphenol 48 Phthalate 48 piperonyl butoxide 48 mercury toxicity 48 radioactive material 48 uncontrolled hazardous waste 48 attracting vermin 48 Fine particulate 48 pollutions 48 air pollutants emitted 48 nitrogen oxides 48 arsenic cadmium 48 biomagnification 48 Cigarette smoke 48 carbamate insecticides 48 nitrous oxide emission 48 Shiranui Sea 48 DuPont DeLisle plant 48 PM#.# particles 48 Dioxin 48 tributyltin TBT 48 naturally occurring asbestos 48 exceedance 48 fluorinated gases 48 Superfund cleanup sites 48 reactive molecules 48 global warming gasses 48 methane 48 excrete methane 48 reactive nitrogen 48 aggravates asthma 48 corrosive flammable 48 Mercury Hg 48 halogenated compounds 48 NPRI 48 hydrogen sulfide H2S 48 disinfection byproducts DBPs 48 perfluorochemicals PFCs 48 anthropogenic carbon dioxide 48 elemental chlorine 48 ozone nitrogen oxides 48 phthalates 48 Effluents 48 rotten egg smelling 48 greenhouse gas HFC 48 pavement sealants 48 ozone precursors 48 nonpoint source 48 carbon dioxide 48 peroxides 48 dental amalgams 48 gases vapors 48 carbon dioxide equivalent CO2e 48 Radioactive substances 48 toxic solvent perchlorethylene 48 hazardous waste disposal 48 pentoxide 48 incinerator ash 48 phosphorus nutrient 48 PCBs mercury 48 raffinate 48 greenhouse gases 48 tailpipe exhaust 48 Perfluorinated chemicals 48 brevetoxin 48 colorless crystalline 48 peroxynitrite 48 Bruce Lanphear 48 sulfate 48 electromagnetic radiation EMR 48 reproductive toxicant 48 deca BDEs 48 radioactively contaminated 48 nitrogen oxides particulate matter 48 purines 48 sulfate aerosol 48 Hydrogen Cyanide 48 polybrominated diphenyl ethers PBDE 48 particulate emissions 48 naturally occurring bacterium 48 mercury emissions 48 ozone smog 48 Domoic acid neurotoxin 48 LLRW 48 nitrogen oxides emitted 48 atrazine herbicide 48 contaminate aquifers 48 vinyl chloride monomer 48 polluting groundwater 48 algal species 48 naturally occurring mineral