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(Click for frequent words.) 83 mercury emissions 67 pollution 64 mercury emitted 64 greenhouse gases 63 pollutants 63 air pollution 62 mercury contamination 61 emissions 61 mercury 61 greenhouse gas emissions 61 sulfur dioxide emissions 60 greenhouse gasses 60 carbon dioxide emissions 59 greenhouse emissions 59 nitrogen oxide emissions 59 air toxics 58 toxic pollutants 58 pollutant 58 SO2 emissions 57 greenhouse gas 57 smokestack emissions 57 sulfur dioxide pollution 57 EPA 56 carbon emissions 55 toxic pollutant 55 heat trapping gases 55 Environmental Protection Agency 55 smog soot 55 smog forming pollution 54 nutrient pollution 54 carbon dioxide 54 fine particle pollution 54 phosphorus pollution 54 tailpipe emissions 54 emission 54 toxic chemicals 54 soot pollution 54 particulate pollution 53 global warming gases 53 smokestack pollutants 53 sulfur dioxide 52 Pollution 52 pollutants emitted 52 emmissions 52 greenhouse gas emission 52 harmful pollutants 52 toxics 52 greenhouses gases 52 GHG emissions 52 emission reductions 51 GHGs 51 GhG emissions 51 particulate emissions 51 ozone pollution 51 nitrogen oxide NOx emissions 51 greenhouse gas GHG emissions 51 CO2 emissions 50 fine particulate pollution 50 smokestack scrubbers 50 sulfur dioxide pollutant 50 Emissions 50 nitrogen oxides 50 acid rain 50 coal fired 50 polluters 50 smog forming pollutants 50 fine particulates 50 pollutant emissions 50 nitrogen discharges 50 nitrogen oxide 49 global warming 49 mercury sulfur dioxide 49 SO2 49 emission reduction 49 CO -2 emissions 49 smog forming emissions 49 Carbon dioxide emissions 49 sulfur dioxide SO2 49 sulfur dioxide SO2 emissions 49 ozone particulates 49 carbon dioxide CO2 emissions 49 dischargers 49 carbon emission 49 NOx emissions 48 polluting 48 mercury polluter 48 particulate matter emissions 48 PCB contamination 48 carbon dioxide emission 48 greenhouse gases emitted 48 heat trapping emissions 48 heat trapping gases emitted 48 soot smog 48 heat trapping carbon dioxide 48 PFOA 48 PCBs 48 reduce carbon emissions 48 sulfur dioxide nitrogen oxide 48 particulate soot 48 noxious pollutants 47 Tailpipe emissions 47 microscopic soot 47 airborne particulates 47 Toxic Release Inventory 47 heat trapping carbon emissions 47 secondhand smoke 47 coal ash 47 particle pollution 47 NOX emissions 47 nitrogen oxide pollution 47 carbon dioxide CO2 47 nutrient loading 47 methyl mercury 47 groundwater contamination 47 CO2 47 pollutant discharges 47 gaseous pollutants 47 phosphorus runoff 47 Clean Air 47 carbon dioxide concentrations 47 nitrogen oxide sulfur dioxide 47 airborne pollutants 47 smog forming gases 47 CO -2 47 carbondioxide emissions 47 emissons 47 GHG emission 46 regulate greenhouse gasses 46 diesel particulates 46 polluter 46 polluting industries 46 harmful chemicals 46 dental amalgams 46 Pollutants 46 nutrient runoff 46 heat trapping pollution 46 diesel exhaust 46 greenhouse gas GHG 46 nonpoint source pollution 46 Greenhouse gases 46 nitrogen oxides NOx emissions 46 Nitrogen oxide emissions 46 PCBs polychlorinated biphenyls 46 heat trapping gasses 46 wastewater discharges 46 smog forming compounds 46 carbon monoxide particulate matter 46 toxicants 46 arsenic 46 nitrogen oxides emitted 46 nutrient discharges 46 atrazine herbicide 46 C# emissions 46 GHG 45 manmade CO2 emissions 45 amalgam separators 45 particle soot 45 toxins 45 diesel particulate matter 45 atmospheric carbon dioxide 45 nitrous oxides 45 airborne toxins 45 dioxins 45 phthalates 45 pollutant discharge 45 BPA 45 Co2 emissions 45 smog forming nitrogen oxides 45 contaminant 45 naturally occurring arsenic 45 install scrubbers 45 nitrous oxide emissions 45 stormwater pollution 45 PM#.# 45 tailpipe gases 45 sulfates 45 Environmental Integrity 45 NOx 45 arsenic contamination 45 contaminants 45 endocrine disrupting chemicals 45 nitrogen oxides NOx 45 Diesel exhaust 45 carbon dioxide emitted 45 MACT standards 45 particulate matter emitted 45 mussel species 45 VOC emissions 45 heat trapping pollutants 45 sulfur dioxide nitrogen oxides 45 hexavalent chromium 45 emit greenhouse gases 44 sulfur dioxide SO2 nitrogen 44 radon 44 contaminated sediment 44 polychlorinated biphenyls 44 burning fossil fuels 44 polluting waterways 44 diesel particulate emissions 44 ozone 44 heat trapping greenhouse 44 reducing carbon emissions 44 regulating greenhouse gases 44 smog forming 44 CO2 emission 44 Sulfur dioxide emissions 44 regulate greenhouse gases 44 greenhouse gases GHGs 44 smog forming chemicals 44 methylmercury 44 groundwater withdrawals 44 Maximum Achievable Control 44 PFOAs 44 potent neurotoxin 44 polluted 44 Clear Skies 44 deca BDE 44 flame retardant chemicals 44 endocrine disruptors 44 cadmium 44 Nat Mund 44 emit pollutants 44 mountaintop removal mines 44 greenhouse gases GHG 44 bisphenol A. 44 phosphorus discharges 44 climate change 44 EMFs 44 carbon emmissions 44 polluted sediment 44 atmospheric CO2 levels 44 greenhouse emission 44 pollute 44 carcinogens 44 PBDEs 44 Administrator Carol Browner 44 overfishing 44 tropospheric ozone 44 nitrogen dioxide emissions 44 particulate matter soot 44 Carbon dioxide CO2 44 greenhouse gas emission reductions 44 wastewater discharge 43 mercury poisoning 43 polution 43 nitrogen oxide emission 43 garbage incinerators 43 VOCs 43 stringent emission 43 ghg emissions 43 chloride concentrations 43 particulate matter 43 microscopic soot particles 43 PBDE 43 THMs 43 Greenhouse gasses 43 elemental mercury 43 global warming gasses 43 carcinogenic dioxins 43 greenhouse gas emitter 43 OWBs 43 valley fills 43 airsheds 43 harmful toxins 43 EPA Toxics Release 43 persistent bio accumulative 43 Clean Water Act 43 Acid Rain Program 43 nitrous oxide N2O 43 regulating GHGs 43 intersex fish 43 reduce greenhouse gasses 43 smog 43 Ambient Air 43 indoor radon 43 hoofed critters 43 mercury arsenic 43 toxaphene 43 emit sulfur dioxide 43 heat trapping greenhouse gases 43 Fine particle pollution 43 harmful byproducts 43 mute swan population 43 Peter Iwanowicz 43 gob piles 43 carbon dioxide CO2 emission 43 mercury potent neurotoxin 43 nonattainment designation 43 perfluorinated chemicals 43 #,# butadiene 43 waste incinerators 43 gender bending chemicals 43 spokeswoman Phillippa Cannon 43 mercury toxicity 43 particulates 43 phosphorous discharges 43 Particulate pollution 43 secondhand smoke exposure 43 Methylmercury 43 atmospheric ozone 43 perfluorochemicals 43 heat trapping greenhouse gas 43 DBPs 43 Nitrogen oxides 43 soot 43 nitrate contamination 43 PCBs dioxins 43 smokestacks 43 fine particulate 42 mercury dioxins 42 tailpipe exhaust 42 hormone disrupting 42 carbon emission reductions 42 carbon dioxide sulfur dioxide 42 sewage discharges 42 polluted waterways 42 pollutant ozone 42 nonattainment areas 42 beachwater pollution 42 indoor wood stoves 42 regulating tailpipe emissions 42 bioaccumulation 42 ozone smog 42 Toxics Release Inventory 42 heavily polluted 42 greenhouse gas concentrations 42 particulate matter PM 42 arsenic mercury 42 chromium 42 GHG pollution 42 contaminated sediments 42 toxic substances 42 carcinogen 42 airborne particulate matter 42 Cyndi Roper 42 Urbaszewski 42 effluent discharges 42 fossil fuels 42 Superfund cleanup 42 Felice Stadler 42 mercury concentrations 42 nonpoint pollution 42 sediment runoff 42 Toxic Release 42 phosphorus fertilizers 42 gypsum byproduct 42 particulate matter nitrogen oxides 42 sequestering carbon dioxide 42 raw sewage discharges 42 vaccine preservative thimerosal 42 ozone particulate matter 42 anthropogenic greenhouse gas 42 GHG reduction 42 automobile tailpipes 42 contaminating groundwater 42 mountaintop mining 42 particulate opacity mercury 42 ocean acidity 42 chlorine byproducts 42 SO2 emission 42 microcystins 42 tritium leaks 42 dioxin PCBs 42 fluoride 42 Gas Emissions 42 perfluorinated compounds 42 Joan Mulhern 42 Dunkard Creek 42 sewer overflows 42 slurry ponds 42 tailpipe pollutants 42 emitting greenhouse gases 42 headwater streams 42 polluted stormwater runoff 42 atmospheric CO2 42 Great Lakes basin 42 Emilie Moorhouse 42 mercury neurotoxin 42 endocrine disrupters 42 Technology MACT 42 stormwater overflows 42 pesticides 42 GHG permitting 41 carcinogenic chemicals 41 Blan Holman 41 reduce SO2 emissions 41 atmospheric deposition 41 Particle pollution 41 Tonawanda Coke 41 Ozone disinfection produces 41 hydrocarbons carbon monoxide 41 Pollutant 41 Navin Nayak 41 mercury fillings 41 triclocarban 41 mercury amalgam 41 Asian carp 41 de forestation 41 dental fillings containing 41 ozone pollutant 41 polluted groundwater 41 tailpipe emission 41 greenhouse gas emitting 41 mountaintop removal mining 41 dental amalgam 41 total dissolved solids 41 carcinogen benzene 41 mountaintop removal 41 furans 41 PAH compounds 41 smokestack pollution 41 dissolved solids 41 flame retardants PBDEs 41 numeric nutrient criteria 41 Nitrate contamination 41 harmful gasses 41 endocrine disrupting chemicals EDCs 41 HoltraChem 41 MICHAEL REYNOLDS 41 fly ash 41 diesel particulate 41 Clean Water Acts 41 exhaust emissions 41 Emily Figdor 41 endocrine disrupting compounds 41 potent greenhouse gas 41 Dear EarthTalk Are 41 nitrous oxide emission 41 PFOS 41 harmful vapors 41 anthropogenic emissions 41 groundwater contaminant 41 tailpipe standards 41 gases emitted 41 Sulfur Dioxide 41 NRDC 41 organic pollutants POPs 41 sulfur oxide 41 cadmium arsenic 41 perfluorocarbons 41 dental amalgam fillings 41 nonferrous mining 41 STEPHEN MORRISON 41 polluted runoff 41 streambank erosion 41 harmful algae blooms 41 hazardous chemicals 41 DEQ 41 harmful contaminants 41 TMDLs 41 sulfur oxides 41 Inventory TRI 41 Toxic Chemicals 41 microcystin 41 biomonitoring 41 Kennecott Minerals Co. 41 nonpoint 41 mercury chromium cadmium 41 sequester carbon dioxide 41 pollutions 41 tropical deforestation 41 smog forming nitrogen oxide 41 bioaccumulative 41 Superfund site 41 vapor intrusion 41 Nitrogen Dioxide 41 Boiler MACT 41 regulate carbon dioxide 41 Clear Skies initiative 41 spokeswoman Cathy Milbourn 41 taconite dust 41 trihalomethanes THMs 41 MtBE 41 soot particles 41 neurotoxin 41 Polluters 41 persistent bioaccumulative 41 Anne Woiwode 41 polychlorinated biphenyls PCBs 41 sulfur dioxide emission 41 PennEnvironment 41 carbon dioxide emmissions 41 Shenandoah Riverkeeper 41 Clean Water Action 41 hydroelectric dams 40 Carbon Dioxide 40 atmospheric CO 40 greenhouse gas emitters 40 antipollution 40 perchlorate 40 spew pollutants 40 formaldehyde benzene 40 perfluorinated chemicals PFCs 40 nitrogen oxides sulfur dioxide 40 curbing greenhouse gases 40 pesticide 40 harmful radiations 40 assimilative capacity 40 nitrogen oxides carbon monoxide 40 coal slurry 40 WVDEP 40 biomass combustion 40 USEPA 40 exceedences 40 sulfuric acid mist 40 invasive aquatic 40 ash ponds 40 Dechlorane Plus 40 manmade greenhouse gases 40 suspected carcinogen 40 Greenhouse Gases 40 sulfur oxide SOx 40 mountaintop mines 40 sulfide mining 40 fossil fuel 40 arsenic contaminated 40 warming gases 40 Nitrogen Oxide 40 oxidized mercury 40 airborne pollutant 40 horseshoe crab harvest 40 fracking 40 carbon dioxide methane 40 trihalomethane 40 Pollution Control Agency 40 harmful tailpipe emissions 40 bluefin tuna quota 40 CO2 emitters 40 benzene contamination 40 dam removals 40 chemical ammonium perfluorooctanoate 40 Volatile Organic Compounds VOC 40 greenhouse gas GHG emission 40 Air Toxics 40 nonfossil fuel 40 turtle bycatch 40 Endocrine disruptors 40 nitrogen oxide NOx 40 legally binding pact obligating 40 Clear Skies Initiative 40 crystalline silica 40 Water Quality 40 PBDE levels 40 bio accumulative 40 radium 40 Clean Smokestacks Act 40 groundwater 40 carbon 40 chloramine 40 respiratory illnesses birth defects 40 electromagnetic radiation EMR 40 beachwater 40 TMDL 40 oxide sulfur hexafluoride 40 toxic algae blooms 40 breathable dust 40 dioxin 40 arsenic concentrations 40 reactive nitrogen 40 John Walke NRDC 40 taconite plants 40 ozone depleting substances 40 Mike Shriberg 40 contaminated groundwater 40 Upper Neuse Riverkeeper 40 toxic polychlorinated biphenyls 40 haloacetic acids 40 sulfur dioxide nitrogen dioxide 40 PAHs 40 Clean Smokestacks 40 uncontrolled hazardous waste 40 oxide hydrofluorocarbons perfluorocarbons 40 CO ² emissions 40 situ leach mining 40 toxic waste 40 CO ² 40 Amy Hartsock 40 incinerators 40 invisible odorless tasteless 40 phthalate 40 cancer causer 40 Toxics Release Inventory TRI 40 coral reef degradation 40 methane 40 amphibian declines 40 economywide cap 40 ozone depleting gases 40 stricter emission 40 spokeswoman Tisha Petteway 40 harmful gases 40 coal ash impoundments 39 deforestation 39 Particulate matter 39 arsenic selenium 39 Intersex fish 39 stratospheric ozone depletion 39 Tobacco Smoke 39 endocrine disruption 39 mercury accumulates 39 fluorinated gases 39 nitrogen trifluoride 39 oilsands tailings ponds 39 fine particulate matter 39 stabilizing atmospheric concentrations 39 nitrogen NOx 39 toxic vapors 39 emmission 39 Polluted runoff 39 endocrine disruptor 39 tetrachloroethene 39 raccoon rabies 39 mussel populations 39 environmentalists 39 Groundwater contamination 39 Carbon monoxide CO 39 UNI PHOTO 39 groundwater pumping 39 particulate pollutants 39 sequestering CO2 39 toxicity 39 CO2 Emissions 39 Ultrafine particles 39 CAFOs 39 CalEPA 39 Bill Magavern lobbyist 39 Jennifer Feyerherm 39 cormorant populations 39 electromagnetic fields EMFs 39 toxin 39 MTBE 39 carcinogenic pollutants 39 spokeswoman Heidi Griesmer 39 carbon emitted 39 anthropogenic greenhouse gases 39 Toxics Reduction Act 39 Renewable Portfolio Standards 39 benzene 39 phosphorus 39 beryllium dust 39 metal cadmium 39 Co2 39 Sierra Club 39 Amazon deforestation 39 phosphorous 39 environmental 39 nitrogen deposition 39 AEP Philip Sporn 39 legally binding emission 39 Asian Carp 39 air pollutants emitted 39 perchlorethylene 39 Sulfur dioxide 39 GHG emission reductions 39 hog lagoons 39 slurry injection 39 carcinogenic PCBs 39 ATSDR 39 amalgam fillings 39 volatile organic compounds 39 topdown command 39 decaBDE 39 Greenhouse Gas Inventory 39 Greenhouse Gas Tailoring Rule 39 sewage overflows 39 carbon emitters 39 polluting gases 39 SOx emissions 39 selenium 39 hazardous waste incinerators 39 bisphenol 39 Smog Standards 39 harmful particulates 39 toxic 39 invasive milfoil 39 coal 39 contamination 39 hormone disrupters 39 effluent discharge 39 chemical perfluorooctanoic acid PFOA 39 tailpipe pollution 39 invasive species 39 aquatic organisms 39 Washington Toxics Coalition 39 sulfur dioxide mercury 39 TTHMs 39 Stacy Malkan 39 sooty particles 39 stormwater runoff 39 vinyl chloride 39 Microcystis 39 Persistent Organic Pollutants 39 polluted waterway 39 avian mortality 39 toxic algal blooms 39 mercury dental fillings 39 emmisions 39 regulate perchlorate 39 Athabasca watershed 39 VOC emission 39 Dioxane 39 prenatal exposures 39 Tropical deforestation 39 synthetic musks 39 nutrient inputs 39 coalfired power 39 sea lampreys 39 sediment 39 carbon monoxide hydrocarbons 39 biggest polluter 39 sulfur dioxides 39 Superfund hazardous waste 39 NOx emission 39 freshwater turtles 39 ocean fertilization 39 organochlorine pesticides 39 CO2 emission reductions 39 emit CO2 39 transboundary pollution 39 Greenhouse Gasses 39 Toxins 39 polychlorinated biphenyl PCB 39 elevated radon 39 Dan Riedinger spokesman 39 acrylamide 39 Philip Sporn 39 sequester carbon emissions 39 asbestos contaminated vermiculite 39 manganese 39 Sulfur dioxide pollution 39 thirdhand smoke 39 Idria Mine once 39 VPIRG 39 Carbon dioxide CO2 emissions 39 sulfur dioxide SOx 39 ozone depleting chemicals 39 algal toxins 39 hydrochlorofluorocarbons HCFCs 39 barium cadmium 39 Superfund cleanups 39 atrazine 39 reproductive toxins 39 Reference Dose 39 landfills 39 Tailoring Rule 39 fracking chemicals 39 Seafood Contamination 39 Dawn Stoltzfus 39 Methyl bromide 39 radiological contaminants 39 woolly adelgids 39 tremolite asbestos 39 shortnose sturgeon 39 blackwater streams 39 greenhouse gas nitrous oxide 39 nonpoint source 39 polybrominated diphenyl ether 39 deadliest Superfund 38 anthropogenic CO2 emissions 38 Toxics Action 38 trichloroethane 38 acidifying oceans 38 emitters 38 perfluorooctanoic acid PFOA 38 SOx 38 sulfur dioxide carbon monoxide 38 Worldwatch 38 aerosol concentrations 38 Greenhouse Gas Emissions 38 soot particulates 38 Carbon tetrachloride 38 spewed benzene 38 Brominated flame retardants 38 methane CH4 38 CFCs chlorofluorocarbons 38 federally enforceable 38 sewer outfalls 38 cement kiln 38 inorganic mercury 38 emission allowances 38 Particulate emissions 38 Norlite 38 estrogenic chemicals 38 TSCA reform 38 teragrams 38 Global Warming Pollution 38 anthropogenic carbon dioxide 38 Tributary Strategy 38 lampricide 38 nonattainment 38 pesticide poisonings 38 Daniel Hinerfeld 38 thermostats barometers industrial 38 polluting groundwater 38 GHG reductions 38 Superfund designation 38 pollutants sulfur dioxide 38 CO2 concentrations 38 Sorbent Technologies 38 carcinogenic byproducts 38 Hurd Riddick 38 mirex 38 Hazardous substances 38 Nitrogen oxide 38 ozone concentrations 38 Gigatonnes 38 curbing carbon emissions 38 heat trapping 38 CO2 emitted 38 radon concentrations 38 PCB contaminated sediments 38 dioxins PCBs 38 toxic flame retardants 38 dioxin contamination 38 tailpipe emission standards 38 smog forming ozone 38 Repower America 38 nonpoint sources 38 Volatile Organic Compound VOC 38 mountaintop removal coal 38 RGGI 38 phosphorus nutrient 38 mercury PCBs 38 trichloroethene 38 threatened Delta smelt 38 carbon dioxide methane nitrous 38 hydrofluoric acid 38 Particulate Matter PM 38 iron fertilization 38 banned pesticide DDT 38 harmful gases emitted 38 PFCs 38 perfluorooctane sulfonate 38 hydrofluorocarbons HFCs 38 airshed 38 Hugh McDiarmid Jr. 38 organophosphate exposure 38 Greenhouse Gas GHG 38 cow burps 38 trichloroethene TCE 38 fecal coliform contamination 38 organochlorines 38 pollutant emission 38 protective ozone layer 38 methane emitted 38 EPA Administrator 38 cadmium hexavalent chromium 38 naturally occurring fluoride 38 trichlorethylene 38 renewable energy 38 millirems 38 smoggiest 38 spokesman Rob Elstro 38 toxic cleanups 38 airborne soot 38 Grass carp 38 Methyl mercury 38 nitrogen oxides sulfur oxides 38 tributary rivers 38 diacetyl exposure 38 nitrogen dioxide NO2 38 methyl chloride 38 asbestos exposure 38 pollutes streams 38 bioaccumulates 38 carbon emitter 38 eggshell thinning 38 cadmium mercury 38 selenium discharges 38 Breathing ozone 38 Fecal coliform 38 reducing greenhouse gasses 38 nitrogen dioxide 38 lindane 38 Francesca Dominici 38 Armingeon 38 sequester CO2 38 Wildlife Federation 38 horseshoe crab harvests 38 Delta Smelt 38 acidification 38 Eurasian Milfoil 38 Bruce Lanphear 38 Hydrofluorocarbons 38 coal slurry ponds 38 precautionary principle 38 milfoil infestation 38 toxic chemical bisphenol 38 Superfund sites 38 PVC shower curtains 38 deplete oxygen 38 Environmental Quality 38 CO ₂ 38 coal combustion 38 wood boilers 38 Warmer seas 38 decarbonizing 38 carbon emitting 38 Daily Load TMDL 38 brook trout populations 38 fracking fluid 38 Childhood Lead Poisoning 38 chrysotile asbestos 38 Everglades ecosystem 38 AQMD 38 PCB dredging 38 poultry litter 38 ballast water 38 pollute waterways 38 biomonitoring studies 38 Erika Staaf 38 carbon dioxide sequestration 38 Peter Frumhoff 38 azinphos methyl 38 CHEJ 38 spokeswoman Davina Marraccini 38 DEP 38 PBDE exposure 38 stormwater discharges 38 disinfectant byproducts 38 phthalates chemicals 38 NOx nitrogen oxide 38 pine beetle outbreak 38 Mediterranean bluefin tuna 38 DDT pesticide 38 Pesticides 38 hazardous waste 38 hydropower dams 38 gigaton 38 dirtiest fossil 38 Fluoridated water 38 nonnative fish 38 Nonattainment 38 EPA Greenhouse gases 38 Secondhand smoke 38 Toxics 38 untreated sewage 38 carbon dioxide emitters 38 silica dust 38 wolf delisting 38 mammal extinctions 38 rampant deforestation 38 global warming gases emitted 38 sulfur dioxide emitted 38 polychlorinated PCBs 38 IDEM 38 sulfuryl fluoride 38 contaminant concentrations 38 cow flatulence 38 Chuitna River 38 Particulates 37 sanitary sewer overflows 37 regulate heat trapping 37 GHG concentrations 37 Endangerment Finding 37 Biomonitoring 37 toxic dioxins 37 particulate matter PM# 37 disinfection byproducts DBPs 37 northern snakehead fish 37 Emission 37 MAZEN MAHDI 37 forest thinning 37 desalinating water 37 Acid Rain 37 Palos Verdes Shelf 37 sulfolane 37 Marchant Wentworth 37 Hazardous Sites 37 unlined landfills 37 contrast chlorine disinfection 37 MIKE NELSON 37 brominated flame retardants 37 spokeswoman Kristen Skopeck 37 perchlorate contamination 37 noxious gasses 37 carcinogens mutagens 37 PM#s 37 crab harvests 37 voracious invasive species 37 ozone depleting refrigerants 37 organochlorine 37 aquatic ecosystems 37 amalgam dental fillings 37 polluted soils 37 Contaminated groundwater 37 Thematic Strategy 37 pollutes groundwater 37 benzene carcinogen 37 Wheeling Pitt employs 37 threatened delta smelt 37 silt buildup 37 watersheds 37 regulating tailpipe 37 cormorant population 37 chlorofluorocarbons 37 prescription painkiller abuse 37 vermiculite mined 37 Pew Oceans Commission 37 trihalomethane levels