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(Click for frequent words.) 67 environmentally damaging 60 environmentally destructive 60 environmentally friendly 59 environmentally sound 58 environmentally unfriendly 57 polluting 56 environmentally unsound 56 environmentally benign 55 polyvinyl chlorides 54 harmful 54 eco unfriendly 53 pollutive 53 halogenated compounds 52 environmentally sensitive 51 hydrofluorocarbons HFCs 51 ecologically friendly 51 harmful chemicals 51 ecologically sound 51 harmful byproducts 51 ozone depleting chlorofluorocarbons 51 potent greenhouse gas 50 toxic solvents 50 eco friendly 50 Incinerating 50 paints sealants 50 enviro friendly 50 HFC refrigerants 49 environmentally responsible 49 landfilling 49 gasifying coal 49 environmentally beneficial 49 fluorocarbons 49 elemental chlorine 49 ecofriendly 49 environmentally 49 chemical fertilizers pesticides 49 nonbiodegradable 49 Polystyrene foam 48 chlorine bleaches 48 pollute 48 environmentally friendlier 48 environmentally sustainable 48 unrecyclable 48 clogging landfills 48 cleanest burning 48 Refrigerants Naturally 48 harmful gases 48 ozone depleting substance 47 HFC# 47 decomposable 47 PVC plastics 47 Ozone disinfection produces 47 ozone depleting 47 chlorofluorocarbons CFC 47 brominated flame retardants 47 ethically indefensible 47 nitrogen oxides NOx emissions 47 #yf 47 persistent bio accumulative 47 decaBDE 47 refrigerant gases 47 economically unsound 47 toxic chemicals 47 biodegradeable 47 chlorofluorocarbon CFC 47 absorbs carbon dioxide 47 Cement kilns 47 chemically treated 46 halogenated 46 harmful toxins 46 halogenated flame retardants 46 sequestering CO2 46 chlorine bleaching 46 landfills 46 ecologically destructive 46 emit pollutants 46 ozone depleting chemicals 46 oxo biodegradable 46 emitting CO2 46 contaminate groundwater 46 chlorinated flame retardants 46 degradable bags 46 wasteful 46 smog forming pollutants 46 toxic pollutant 46 toxic polychlorinated biphenyls 46 biodegradable 46 emits greenhouse gases 46 carbon dioxides 46 brominated flame retardant 46 toxic residues 46 nitrous oxides 46 Brominated flame retardants 46 harmful substances 46 potentially harmful 46 nano cellulose 46 recyclable biodegradable 46 aerosol propellants 46 environmental impacts 45 synthetic fertilizers pesticides 45 biomass combustion 45 synthetic fertilizers 45 deplete ozone 45 biobased plastics 45 clog landfills 45 toxic substances 45 carcinogenic PCBs 45 pulp bleaching 45 halon 45 ecologically unsound 45 beneficially reused 45 nonrecyclable 45 Halons 45 nonrenewable fossil fuels 45 environmentally conscious 45 compostible 45 hydrochlorofluorocarbons HCFCs 45 CFCs chlorofluorocarbons 45 Biodegradable plastics 45 oilsands extraction 45 hydrofluorocarbon 45 oxidising 45 Chlorofluorocarbons CFCs 45 Polluting 45 wax emulsions 45 emitting carbon dioxide 45 fossil fuels 45 emit greenhouse gasses 45 Synthetic fertilizers 45 PVC polyvinyl chloride 45 biodiesel fuels 45 nontoxic biodegradable 45 ozone depleting compounds 45 finite fossil fuels 45 brominated flame retardants BFRs 45 inorganic fertilizers 44 brominated flame retardants BFR 44 forest thinnings 44 perfluorocarbons PFCs 44 mercury cadmium 44 greenhouse gasses emitted 44 incombustible 44 tributyl tin 44 byproducts 44 hazardous substances 44 recyclable plastics 44 hazardous chemicals 44 emit toxic fumes 44 greenhouse gasses 44 environmentally preferable 44 toxic 44 brominated flame retardant BFR 44 reusable recyclable 44 ecologically conscious 44 contaminate aquifers 44 polluting fossil fuels 44 sequester carbon dioxide 44 pollutes 44 ecologically unsustainable 44 recycling reusing 44 PVC BFRs 44 recycled 44 pollutes groundwater 44 pesticides herbicides fertilizers 44 harmful pollutants 44 pesticides insecticides 44 ozone depleting refrigerant 44 glass cullet 44 heat trapping pollutants 44 Polluted runoff 44 amine scrubbing 44 hemp bamboo 44 hydrofluorocarbon HFC 44 sequesters carbon dioxide 44 carbon emmissions 44 global warming gasses 44 greenwashed 44 smog forming gases 44 chlorinated compounds 44 furans 44 toxic flame retardants 44 depleting substances 44 Volatile Organic Compounds VOCs 44 nontoxic cleaning 44 desalinating seawater 44 fossil fuel 43 bioindustrial markets 43 antipollution 43 biodegradable wastes 43 gases emitted 43 environmentally hazardous substances 43 Iza Kruszewska 43 gypsum byproduct 43 toxic dioxins 43 liquification 43 EarthTalk 43 shale tar sands 43 ecologically 43 insecticides pesticides 43 ozone depleting CFCs 43 PVC shower curtains 43 paint thinners solvents 43 liquefying coal 43 hydrochlorofluorocarbon 43 hazardous 43 Softwood hardwood 43 plastics foams 43 bio degradable 43 waste minimization recycling 43 drilling muds 43 inefficient lightbulbs 43 Sewage sludge 43 VOCs Volatile Organic Compounds 43 pesticides herbicides fungicides 43 Elemental mercury 43 emit sulfur dioxide 43 GHG abatement 43 FSC certified wood 43 Granular Activated Carbon 43 HCFC #b 43 pentaBDE 43 R #A refrigerant 43 aerobic decomposition 43 unlined landfills 43 Carbon sequestration 43 unplugging chargers 43 CFC propellants 43 pesticides fertilizers 43 biodiesels 43 perfluorocarbons 43 FGD gypsum 43 Biodegradable bags 43 environmentaly friendly 43 polluting groundwater 43 carbon emitting 43 unrecycled 43 antifouling paint 43 diesel particulate emissions 43 pollutants 43 environmentally considerate 43 tributyltin 43 CFC refrigerants 43 flame retardant additives 43 carcinogenic byproducts 43 acids solvents 43 reusing wastewater 43 agro fuels 43 thermochemical processing 43 pollute waterways 43 Effluents 43 photovoltaic backsheets 43 Bottom trawling 43 gob piles 43 marketable byproducts 43 fluorinated gases 43 infinitely recyclable 43 smog forming compounds 42 Greenhouse gasses 42 polyester resins alkyd resins 42 forest campaigner Bustar 42 hormone disrupters 42 hazardous solvents 42 BFRs 42 unrecyclable waste 42 Environmentally friendly 42 poly vinyl chloride 42 synthetic pesticides 42 virgin pulp 42 synthetic nitrogen fertilizers 42 pollution abatement 42 CO2 emmissions 42 hydrofluorocarbons 42 Volatile Organic Compounds VOC 42 livestock manure 42 pollutes waterways 42 gasifying 42 harmful gasses 42 coal petroleum coke 42 leach toxins 42 emit VOCs 42 chlorofluorocarbon 42 nonpolluting renewable 42 thermal oxidation 42 leaching toxins 42 Airplanes sprayed 42 ozone depleting refrigerants 42 artificial fertilizers 42 Tailpipe emissions 42 deca BDE 42 fragrances dyes 42 smokestack scrubbers 42 HFC #a 42 recyclable 42 hydrochlorofluorocarbons 42 phosphorous fertilizers 42 mercury arsenic 42 biodegradable nontoxic 42 incinerators 42 siloxanes 42 produce briny wastewater 42 Italy Novamont SPA 42 reverse osmosis filtration 42 phosphor powder 42 noxious pollutants 42 environmentallyfriendly 42 Stable isotopes 42 Ozone Depleting 42 flammable solvents 42 NT Plasmatron 42 renewable feedstocks 42 mercury dioxins 42 economically feasible 42 reuse recycle 42 infinite recyclability 42 ozone depleting CFC 42 outgas 42 synthetic liquid hydrocarbons 42 soluble fertilizers 42 Perchlorates 42 sulfur dioxides 42 nonrenewable resources 42 cadmium mercury 42 glues paints 42 pollutants emitted 42 estrogen mimicking 42 gassification 42 degradable plastic 42 biodegrades 42 reflective roofing 42 sulfur fuels 42 emissons 42 pollute groundwater 42 bio char 42 biodegradables 42 photovoltaics PVs 42 damming rivers 42 backsheets 42 ligno cellulosic 42 corrosive 42 synthetic pesticides herbicides 42 incineration 42 bio degradable plastics 42 bio degradable waste 42 combustion byproducts 42 ODSs 42 Sodium hydroxide 42 non degradable 42 CFCs HCFCs 42 lignocellulosic 42 polluting waterways 42 herbicides pesticides 42 harmful residues 42 Landfilling 42 toxic pesticides 42 sulfur dioxide SO2 nitrogen 42 carcinogenic 42 House Gases GHGs 42 Epoxy resins 42 naturally occurring micro organisms 42 hydrofluorocarbons HFCs perfluorocarbons PFCs 42 plastics detergents 42 harsh detergents 42 waste decomposes 42 recycled plastics 42 biogases 42 spew pollutants 42 desalinating water 42 enviromentally friendly 42 Chlorofluorocarbons 41 pulping process 41 degradable 41 carbon sequestering 41 Spinning flywheels 41 cadmium chromium 41 hydraulic fracturing fracking 41 VOC emissions 41 sulfur diesel fuel 41 CFCs 41 nonfood crops 41 hexachlorobenzene 41 harmful particulates 41 Hydrochloric 41 solventborne 41 insecticides herbicides fungicides 41 sulphate aerosols 41 HCFC 41 Global Warming Potential GWP 41 nutrient leaching 41 compacted baled 41 dredged sediment 41 levulinic acid 41 greenhouse gases emitted 41 fracing fluids 41 carbon monoxide nitrogen oxide 41 global warming gases emitted 41 brominated 41 mercury emitted 41 insulating foams 41 recyclable compostable 41 Plasma gasification 41 agriculturally derived 41 contaminates drinking 41 erodible 41 diesel particulate filters DPFs 41 pentachlorophenol 41 VOC volatile 41 Sodium cyanide 41 emitting greenhouse gases 41 PVC phthalates 41 sulfur dioxide SOx 41 geothermal hydroelectric 41 cellulostic 41 diphenyl ethers 41 unhealthy trans fatty 41 plastics polymers 41 Carbon dioxide CO2 41 solvents 41 HCFC refrigerants 41 gasifies 41 oxidized mercury 41 compact fluorescents CFLs 41 nutrient discharges 41 nonpolluting 41 bio degradable plastic 41 Freegans 41 bio diesels 41 Polybrominated 41 biocomposites 41 refrigerants 41 environ mentally 41 carbon dioxide emission 41 toxic pollutants 41 shredder residue 41 ecologically sustainable 41 ozone depleting gases 41 Sulfur compounds 41 low VOC Volatile 41 antimony trioxide 41 potentially carcinogenic 41 Fluorescent bulbs 41 chlorinated hydrocarbon 41 emitting methane 41 CO ² emissions 41 emit fumes 41 Insecticidal soaps 41 burn wood pellets 41 grass pine bark 41 sulfur oxide 41 corn stalks switchgrass 41 toxic glues 41 polyaromatic hydrocarbons 41 CO -2 emissions 41 polyvinyl chloride PVC 41 nonrenewable fuels 41 reduce carbon emissions 41 harmful contaminants 41 Maitar 41 Jim Crouse Capstone 41 technically infeasible 41 remediating contaminated 41 polyvinyl chloride 41 gaseous chlorine 41 expose coal seams 41 compact fluorescent lightbulbs 41 nontoxic paints 41 HCFCs 41 cyanides 41 coconut husks 41 chlorinated solvent 41 modular transportable 41 oxo biodegradable plastics 41 toxic wastes 41 suspected carcinogen 41 nonfossil fuel 41 particulate filters 41 cypress mulch 41 hydro chlorofluorocarbons 41 de forestation 41 â € œgreenâ € 41 Shestek 41 nonsustainable 41 decomposing organic 41 nitrides 41 sludges 41 pollution 41 carcinogenic chemicals 41 polymeric resin 41 Xayaburi 41 indiscriminate littering 41 biofiltration 41 detritus flecks 41 Perchloroethylene 41 Reverse osmosis 41 pollutes streams 41 chemical fertilizers herbicides 41 Baconguis 41 Co2 40 Oversulfated chondroitin sulfate 40 biodegradable compostable 40 ecologically sensitive 40 bioconversion 40 sequester greenhouse gas 40 carbon dioxide 40 carbonless copy paper 40 vermin composting 40 pesticide lindane 40 wood pellet heating 40 methane nitrous oxide 40 SOx emissions 40 biodiverse ecosystems 40 embedded capacitor 40 waxed cardboard 40 PCBs polychlorinated biphenyls 40 sustainable 40 nitrogen leaching 40 recyclate 40 low VOC emitting 40 VOCs volatile 40 scriptable GNU based 40 Coal gasification 40 detergents solvents 40 CO ² 40 absorb rainwater 40 eicosapentaenoic acid ethyl 40 wood preservatives 40 degreasing solvent 40 elemental chlorine free 40 geo sequestration 40 carbon dioxide equivalent CO2e 40 feebates 40 vapor degreasing 40 toxic methyl mercury 40 fluorinated specialty 40 crop residues 40 Solar Gard window 40 nitrogen oxides carbon monoxide 40 shale extraction 40 perfluorochemicals PFCs 40 economically viable 40 Dear EarthTalk Are 40 greener 40 ™ Wet Cleaning 40 termiticides 40 sequestering carbon dioxide 40 Chromium VI 40 pollutions 40 EnergyStar appliances 40 NOX emissions 40 ungreen 40 PAHs polycyclic aromatic hydrocarbons 40 economically advantageous 40 stabilizing atmospheric concentrations 40 BPA phthalates 40 cane bagasse 40 effluents 40 inefficient incandescent light 40 GHG emitting 40 ecologically sensitive areas 40 flame retarding 40 alternative energies 40 Ozone Depleting Substances ODS 40 degreasing solvents 40 chromium mercury 40 refrigerant HCFC 40 BDEs 40 conventional refrigerants 40 Annette Kondo 40 sulfur dioxide particulate matter 40 penta BDE 40 hazardous wastes 40 low VOC volatile 40 IGCC plants 40 chlorofluorocarbons 40 biphenyls PCBs 40 TBBPA 40 harmful vapors 40 leave NoWaste TM 40 Carbon tetrachloride 40 toxins 40 pulper 40 particulate matter emitted 40 EcoLogo certified 40 chemically altering 40 polybrominated diphenyl ethers 40 Emilie Moorhouse 40 Bio SNG 40 absorbs CO2 40 Hazardous substances 40 particulate matter emissions 40 artificial flavorings 40 nutrient loading 40 persistent bioaccumulative 40 particulate soot 40 greenhouse gases GHG 40 N2O emissions 40 International toxics campaigner 40 CarbonSMART ™ enterprise 40 extract coalbed methane 40 fossile fuels 40 Ice Slicer 40 WtE 40 flocculant 40 DecaBDE 40 nontoxic 40 ethanol butanol 40 dung charcoal 40 irreversibly damaging 40 CFBs 40 sulfur dioxide pollution 40 endocrine disrupting chemical 40 phosphorus runoff 40 ozone depleting substances 40 magnesium silicate 40 Carbon offsetting 40 Particulate pollution 40 bauxite residue 40 Ailun Yang 40 agrofuel 40 sugar cane bagasse 40 carbon dioxide emissions 40 hexavalent chrome 40 smog forming 40 dyes insecticides 40 sequester CO2 40 perfluorinated compounds 40 Incandescent lamps 40 automotive catalytic converters 40 sustainable forestry 40 paints inks 40 coalfired 40 pollutant 40 Volatile Organic Compound 40 clog waterways 40 nanotube membranes 40 hydrocarbons carbon monoxide 40 retardants 40 Nitrogen Oxide 40 VOCs volatile organic compounds 40 pyrolysis oils 40 foams gels 40 biodegradable plastics 40 acids alkalis 40 cellulosic bioethanol 40 recyclable plastic 40 phosphates nitrates 40 Fisher Tropsch 40 desalinization 40 reusing rainwater 40 clogging drains 40 desalinisation 40 compressed sawdust 40 household detergents 39 polluting industries 39 Reactive oxygen species 39 environmental 39 Excess nitrogen 39 peatland destruction 39 biomass biogas 39 watering lawns washing 39 expensive 39 biodegradable recyclable 39 Particulate emissions 39 biodegradable caskets 39 fluorotelomers 39 phytoremediation 39 disposable cutlery 39 dyes preservatives 39 rapeseed soybean 39 Carbon dioxide emission 39 digestors 39 polychlorinated biphenyls PCBs 39 fluorotelomer 39 carbon dioxide CO2 emissions 39 recyclability 39 Hydroelectric dams 39 biodegradable soaps 39 commercially viable 39 scientifically unsound 39 bio diesel fuels 39 pulverized coal facility 39 Vegan diets 39 wetcleaning 39 nitrogenous waste 39 phosphorous nitrogen 39 cadmium arsenic 39 co2 emissions 39 Methyl Bromide 39 nitrogen oxide burners 39 leaky septic tanks 39 polystyrene packaging 39 carbon dioxide sulfur dioxide 39 nontoxic cleaners 39 toxaphene 39 cap andtrade 39 Teflon cookware 39 lignocellulosic materials 39 tailpipe pollutants 39 chlorofluorocarbons CFCs 39 technologically obsolete 39 crystalline silica 39 carbon emissions 39 cellulosic fibers 39 RedEye Supriya Doshi 39 energyefficient 39 Properly dispose 39 CO2 39 methyl chloroform 39 monocropping 39 di oxide 39 Water softeners 39 trihalomethanes THMs 39 fire retardants 39 polyethylene PE polypropylene PP 39 lignocellulose 39 Brominated Flame Retardants 39 nonylphenol ethoxylates 39 phosphogypsum 39 Inert ingredients 39 soy polyol 39 rainforest destruction 39 PPCPs 39 vinyl chloride monomer 39 biodegradability 39 Replace incandescent bulbs 39 nitrous oxide emission 39 harmful dioxins 39 glycerin byproduct 39 thin stillage 39 electro coagulation 39 particulate matter nitrogen oxides 39 legally binding pact obligating 39 carbon dioxide emitted 39 sugars starches 39 plastics fertilizers 39 recycled materials 39 cargo sweepings 39 geoengineering schemes 39 greenhouse gases 39 cleaner burning 39 biologically degradable 39 photocatalysis 39 indiscriminate dumping 39 polystyrene Styrofoam 39 recyclable reusable 39 Tritium occurs naturally 39 Recovery CalRecycle 39 fluorides 39 solvents cleaners 39 recycle 39 biogas biomass 39 desalinate seawater 39 leach toxic chemicals 39 adipic acid 39 Veganic farmers 39 repellent coatings 39 nitrate fertilizers 39 chromated copper arsenate 39 foresting 39 filament bulbs 39 Ogiene TM 39 nitrogen trifluoride 39 fluorinated chemicals 39 PFOAs 39 raw sewage discharges 39 harmful tailpipe emissions 39 hazardous waste landfills 39 gaseous emissions 39 preg robbing 39 Improper disposal 39 co2 39 Greenwashing 39 Tedlar ® 39 sediment ponds 39 carcinogenic substances 39 gaseous pollutants 39 pollutant emissions 39 agricultural residues 39 compactable 39 nitrous oxide emissions 39 virgin PET 39 salinated 39 Ozone depleting 39 Environmentally 39 Elemental Chlorine Free 39 supercritical fluids 39 Methyl tertiary butyl ether 39 recycled polypropylene 39 compressed gases 39 Sulphur Dioxide 39 polymers plastics 39 eco friendlier 39 air pollutants emitted 39 palm kernel expeller 39 paints dyes 39 polyvinylchloride 39 Coleson Cove 39 BioBag 39 Haber Bosch process 39 engineered nanoscale 39 TM Wet Cleaning 39 perfluorinated 39 greenhouse gas HFC 39 BOPET film biaxially oriented 39 nitrogen oxide NOx emissions 39 carcinogens 39 polychlorinated biphenyl PCB 39 carbon neutral 39 sulfur hexafluoride SF6 39 hydrocarbons nitrogen oxides 39 Bio DME 39 distortive 39 wastewater effluent 39 Sodium Cyanide 39 biocatalytic 39 zero VOC paints 39 non woven polypropylene 39 greenhouse emission 39 Iza Kruszewska Greenpeace 39 geological sequestration 39 carcinogenic toxins 39 algaecides 39 nickel cadmium 39 Reusable bags 39 hex chrome 39 industrial effluents 39 noxious substances 39 fracturing fluids 39 regulating GHGs 39 corrosive salts 39 CO ₂ 39 PCBs dioxins 39 hydraulic fracking 39 Compressed natural 39 chemical pulping 39 toilets showerheads 39 chlorine disinfection 39 polution 39 greenhouse gas emitting 39 carpet backings 39 EtO 39 compostable plastic bags 39 solvents pesticides 39 injurious 39 biowaste 39 Rust Stain Remover 39 ewaste 39 thermal oxidizers 39 HBCD 39 contaminate drinking 39 PVCs 39 magnetic ballasts 39 arsenic cadmium mercury 39 DDT dieldrin 39 biofuels biopower 39 sequester atmospheric 39 nonroad diesel 39 VOC abatement 39 molten salts 39 flame retardant chemicals 39 chromated copper arsenate CCA 39 pelletization 39 inorganic fertilizer 39 synthetic preservatives 39 Compact fluorescent light 39 toxins leaching 39 contaminate groundwater supplies 39 impurities contaminants 39 Lunny oyster farm 39 mercury thermostats 39 Co2 emissions 39 untargeted subsidies 39 nitrogen phosphate potassium 39 stratospheric ozone depletion 39 Horticultural oils 39 bio degradable bags 39 nanocatalysts 39 Cathode ray tubes 39 VOC Volatile Organic Compounds 39 reforestation afforestation 39 nonhazardous wastes 39 Electromagnetic radiation 39 efforts visit www.internationalpaper.com 39 forestry residues 39 nonylphenol 39 destructive 39 electromagnetic radiation EMR 39 #,# propanediol PDO 39 polybrominated 39 heap leach extraction 39 Carbon offsets 39 burnable 39 CO2 emissions 39 linen hemp 39 triclocarban 38 fertilized lawns 38 biobased chemicals 38 contaminants 38 fatty substances 38 solvent perchlorethylene 38 nitrous oxide N2O 38 contaminated sediments 38 refining smelting fabricating 38 acidifying 38 bitumen extraction 38 reusing 38 toxic hydrogen sulfide 38 diesel particulates 38 dirtier 38 wood pulping 38 atmospheric deposition 38 Ogunseitan 38 Toxic chemicals 38 inefficient incandescent bulb 38 regulating tailpipe 38 pavement sealants 38 Amyris renewable 38 EcoRock 38 Chloramines 38 biogenic carbon 38 DPFs 38 chrysotile fibers 38 harmful effects 38 exhaustible 38 decabromodiphenyl ether 38 carbons 38 emit CO2 38 octane enhancer 38 stain resistant coatings 38 trans fat oils 38 peroxides 38 biomasses 38 nitrogen dioxides 38 Carbon Footprints 38 biosequestration 38 compact fluorescent lighting 38 degradability 38 boron trifluoride 38 unlined pits 38 toxic gasses 38 noncorrosive 38 gasify coal 38 pest repellents 38 patented Airtrax wheel 38 Soy candles 38 ethene 38 Polychlorinated biphenyls 38 bio fuels 38 flame retardant fillers 38 economically unfeasible 38 ecologically sensitive wetlands 38 nonfossil 38 Propane autogas 38 bio digesters 38 produce isobutanol 38 organochlorine 38 Nuclear fission 38 Sugarcane ethanol 38 emit carbon dioxide 38 arsenic radium 38 turtle bycatch 38 hormone rBST 38 VOC volatile organic 38 unheading 38 hydro fracking 38 leaky septic 38 NF3 38 mini hydros 38 combustible liquids 38 Potassium hydroxide 38 carbon offsetting 38 recyclable plastic bags 38 Compact fluorescent lights 38 Counterfeit cigarettes 38 economical 38 windmills solar panels 38 thermochemical 38 synthetic fragrances 38 nitrogen oxides particulate matter 38 formaldehyde benzene 38 Enviro Log firelogs 38 fuel efficent 38 greenhouse gases GHGs 38 degradable plastics 38 contaminating groundwater 38 butane propane 38 carbon 38 C# emissions 38 Polychlorinated biphenyls PCBs 38 chemicals 38 Chlordane 38 psychoactive compounds 38 RenDiesel ® 38 methyl tert butyl ether 38 fermentable 38 toxic byproducts 38 bovine flatulence 38 potting soils 38 underground geologic formations 38 chemical fertilizers