Related by context. All words. (Click for frequent words.) 59 contamination 57 groundwater contamination 57 trichloroethene 56 TCE trichlorethylene 56 TCE contamination 56 perfluorinated chemicals 55 chemical perchlorate 55 hydraulic fracturing fluids 55 tetrachloroethene 55 pollutes groundwater 54 E.Coli bacteria 54 Perchlorate contamination 54 contaminate groundwater 53 trihalomethanes THMs 53 polluting groundwater 53 sulfated chondroitin sulfate 53 tetrachlorethylene PCE 53 chlorine byproducts 52 contaminant 52 radium naturally occurring 52 arsenic contamination 52 nitrate contamination 52 microcystins 52 tritium contamination 52 perfluorochemicals PFCs 52 contaminated 52 polluted groundwater 52 perchlorate contamination 52 contaminate aquifers 52 contaminants 52 contaminating groundwater 52 toxins leaching 52 e.coli bacteria 52 Matthew Rodell 52 perchlorethylene PCE 52 heptachlor 51 solvent trichlorethylene 51 coli bacteria 51 parasite cryptosporidium 51 radium contamination 51 microbiological contamination 51 coal ash impoundments 51 endocrine disrupting chemical 51 toxic polychlorinated biphenyls 51 contaminate drinking 51 arsenic contaminated 51 fracking fluids 51 leaked tritium 51 tritium contaminated 51 sulfolane 51 fecal coliform contamination 51 Radioactive contamination 51 DBPs 50 E.coli contamination 50 frack fluid 50 aminopterin rat poison 50 harmful contaminants 50 waterborne microorganisms 50 bromate 50 TCE PCE 50 carcinogen benzene 50 flame retardants PBDEs 50 PDBEs 50 arsenic barium 50 vaccine preservative thimerosal 50 PFOAs 49 leaky septic tanks 49 selenium poisoning 49 PCBs polychlorinated biphenyls 49 chromium contamination 49 Wyle Labs 49 leaking tritium 49 naturally occurring arsenic 49 contaminants leach 49 estrogenic compounds 49 pesticide contamination 49 hexavalent chromium 49 Redfield Wilder 49 radioactive tritium 49 DDT pesticide banned 49 Nitrate contamination 49 hexavalent chromium contamination 49 trichlorethylene 49 fracking fluid 49 arsenic 49 perfluorooctanoic acid PFOA 49 Cibulas 49 hormone disrupter 49 perfluorinated compounds 49 cancer causer 48 Runkle Canyon 48 fracing fluids 48 chlordane 48 E. Coli contamination 48 chemically contaminated 48 algal toxins 48 suspected carcinogen 48 Hadnot Point 48 Polychlorinated biphenyls 48 arsenic concentrations 48 perchlorate 48 faecal contamination 48 E coli contamination 48 E. Coli bacteria 48 listeria monocytogenes bacteria 48 stachybotrys 48 MtBE 48 cyanobacteria blooms 48 contaminates groundwater 48 chlorine disinfectant 48 trichlorethylene TCE 48 bacteriological contamination 48 BPA leaching 48 diethylene glycol chemical 48 porpoise vaults 48 hormone disruptor 48 dieldrin 48 endocrine disrupting compounds 48 phosphogypsum 48 carcinogenic benzene 48 carbinoxamine 48 dental fillings containing 48 reproductive toxins 48 antibiotics nitrofuran 48 Bob Bowcock 48 toxaphene 48 fecal chloroform 48 cyanobacterial blooms 48 MBTE 48 trichloroethene TCE 48 oil sheens 48 perfluorochemicals 48 hydro fracturing 47 PFBA 47 degreasing agent 47 oversulfated chondroitin sulfate OSCS 47 azinphos methyl 47 plutonium americium 47 DecaBDE 47 tritium leaks 47 Inorganic arsenic 47 coliform contamination 47 vapor intrusion 47 fracking chemicals 47 dioxin Zimpfer 47 polybrominated diphenyl ether 47 benzene ethylbenzene 47 IMPACT Tons 47 zinc orthophosphate 47 bacterial contamination 47 Sanlu powdered milk 47 bought Anaconda Copper 47 dechlorinated 47 disinfectant byproducts 47 parasite Cryptosporidium 47 atrazine herbicide 47 bacteria listeria monocytogenes 47 isotope polonium 47 PCE contamination 47 biosecurity breaches 47 leaks 47 tritium concentrations 47 THMs 47 spokeswoman Skylar McElhaney 47 Hexavalent chromium 47 trihalomethane 47 Fecal coliform 47 fibrous mineral 47 triclocarban 47 sodium dichromate 47 cadmium contamination 47 fracking 47 coal tar sealants 47 tetrachlorethylene 47 industrial solvent trichlorethylene 47 frac'ing 47 haloacetic acids 47 arsenic benzene 47 toluene benzene 47 Groundwater contamination 47 butter flavorings 47 naturally occurring radium 46 cyclamates 46 algal toxin 46 radioactive tritium leaking 46 PCB contamination 46 groundwater plume 46 E coli bacteria 46 methyl chloride 46 toxic hydrogen sulphide 46 Dichloro Diphenyl Trichloroethane DDT 46 microbial contamination 46 benzene carcinogen 46 sweetener aspartame 46 deplete aquifers 46 enterococcus bacteria 46 Polychlorinated biphenyls PCBs 46 oversulfated chondroitin 46 Panda Dairy 46 groundwater 46 exempted fracking 46 fuel additive MTBE 46 TCE vapors 46 Geoffrey Thyne 46 sewage overflowed 46 beachwater pollution 46 barium chromium 46 arsenic selenium 46 benzene 46 disinfection byproducts 46 e coli contamination 46 bottles suntan lotion 46 dioxane 46 #,#,# trichloroethane 46 Tetrachloroethylene 46 PVC shower curtains 46 faulty welds 46 dichloroethylene 46 mercury contamination 46 radioactive radium 46 contamination Nishiyama 46 dental amalgams 46 polychlorinated biphenyl PCB 46 MTBE contamination 46 Tittabawassee River floodplain 46 tetrachloroethene PCE 46 microbiological organisms 46 beryllium dust 46 unchlorinated water 46 pollute groundwater 46 DDT dieldrin 46 TTHMs 46 charcoal filters 46 PBDEs polybrominated diphenyl ethers 46 amalgam dental fillings 46 intranasal zinc 46 fracturing fluids 46 chemical ammonium perfluorooctanoate 46 herbicide atrazine 46 biphenyls 46 organochlorines 45 tritium radioactive isotope 45 fluoroquinolone antibiotics 45 vinyl lunchboxes 45 engineered nanoparticles 45 deepwater blowouts 45 carcinogenic chemicals 45 polynuclear aromatic hydrocarbons 45 Corexit dispersant 45 Trichloroethylene TCE 45 dioxin PCBs 45 fecal bacteria 45 PAHs polycyclic aromatic hydrocarbons 45 corrosive salt 45 carcinogenic dioxins 45 hydrogen sulfide gases 45 contaminated groundwater 45 degreasing solvent 45 tertiary butyl ether MTBE 45 chemical malachite green 45 toxic hydrogen sulfide 45 mercury toxicity 45 listeria salmonella 45 DDT PCBs 45 enterococci bacteria 45 Chromium VI 45 genotoxic substance 45 oily wastes 45 flammable methane 45 Superfund hazardous waste 45 BPA leaches 45 seepage 45 spokeswoman Kristen Skopeck 45 thimerosal mercury based 45 metal degreasing 45 chemical diethylene glycol 45 mercury dioxins 45 PCBs dioxins 45 endocrine disrupter 45 leak 45 WaterTech Online ™ 45 E. coli bacteria 45 e coli bacteria 45 waterborne pathogens 45 benzene arsenic 45 tremolite asbestos 45 trace amounts 45 amphibole asbestos 45 chlorinated solvents 45 chemical perfluorooctanoic acid 45 acid sulphate soil 45 benzene toluene ethylbenzene 45 subsurface soils 45 solvent vapors 45 insecticide endosulfan 45 Bromate 45 rat poisons 45 acid sulfate 45 bioaccumulative 45 trihalomethanes 45 insect repellent DEET 45 carcinogenic substance 45 dioxin contaminated 45 Fecal coliform bacteria 45 Methyl mercury 45 hydraulic fracturing fracking 45 CDC Tauxe 45 pesticide atrazine 45 produce briny wastewater 45 endocrine disrupting chemicals 45 phosphates nitrates 45 E. coli contamination 45 Radioactive substances 45 harmful vapors 45 COREXIT 45 toxic residues 45 contaminations 45 contaminant perchlorate 45 rBGH milk 45 chlorine disinfection 45 mutagenicity 45 Contaminated soil 45 estrogenic chemicals 45 #,# dioxane 45 toxic pollutant 45 ethyl mesilate 45 trichloroethane 45 Contamination 45 diacetyl vapors 45 disinfection byproducts DBPs 45 Radioactive tritium 45 chlorinated solvent 45 gender bending chemicals 45 groundwater withdrawals 44 drywall emits 44 brackish groundwater 44 contaminant plume 44 PCBs pesticides 44 benzo pyrene 44 dioxin contamination 44 potentially carcinogenic 44 FSIS microbiological sampling 44 chemical C8 44 Egyptian Lacquer 44 tritiated 44 Chlordane 44 perfluorooctanoic acid 44 hydraulic fracturing fluid 44 thirdhand smoke 44 polychlorinated biphenyls PCBs 44 leak tritium 44 endrin 44 dissolved oxygen DO 44 HAAs 44 #,#,# tribromoanisole chemical 44 raw untreated sewage 44 BTEX 44 Contaminated groundwater 44 chlorinated pesticides 44 PFCAs 44 domoic acid naturally occurring 44 tritium plume 44 cryptosporidium parasite 44 controversial chemical bisphenol 44 Intersex fish 44 near Brownville Neb. 44 unapproved genetically engineered 44 chemical perfluorooctanoic acid PFOA 44 craft breweries canning 44 Coca Cola Dasani 44 rotten egg smelling 44 irradiated foods 44 colorless odorless radioactive 44 asbestos laced vermiculite 44 hydraulic fracking 44 chemical bromate 44 radioactive contamination 44 Wingfield Pointe 44 acrolein 44 beachwater 44 hydrogeologic 44 soil vapor intrusion 44 gasoline additive methyl 44 intersex fish 44 arsenic chromium 44 additive methyl tertiary butyl 44 Superfund designation 44 regulate perchlorate 44 shallow aquifer 44 chloride concentrations 44 nonstick substance 44 Guatemala sinkhole 44 phosphogypsum stacks 44 total dissolved solids 44 acid sulphate soils 44 BTEX chemicals 44 semicarbazide 44 negligently concealing 44 BPA Bisphenol 44 contaminents 44 Coliform bacteria 44 mercury chromium cadmium 44 polycyclic aromatic hydrocarbon 44 pleasant Tangherlini 44 slurry ponds 44 radioactive leakage 44 polluting waterways 44 Fetal heartbeats 44 ignition Manchin 44 aquatic toxicity 44 PCB contaminated sediments 44 chlorinated hydrocarbon 44 bacterial contaminants 44 unregulated fracking 44 faulty electronic throttles 44 contaminating waterways 44 e.coli 44 Dieldrin 44 carcinogen 44 plausible explanation CAS 44 Inert ingredients 44 Carrowmore Lake 44 arsenic boron 44 carcinogen dioxin 44 tritium spills 44 herbicide Atrazine 44 Hydrogen sulfide 44 acid PFOA 44 hormone mimicking 44 atrazine concentrations 44 dichlorobenzene 44 Discolored water 44 dichloroethene 44 atrazine 44 cyanide arsenic 44 chlorine residuals 44 ethyl carbamate 44 bioaccumulation 44 pesticide carbofuran 44 spokeswoman Davina Marraccini 44 para dichlorobenzene 44 soils sediments 44 Dioxane 43 Palos Verdes Shelf 43 stain resistant coatings 43 Ozone disinfection produces 43 asbestos contaminated vermiculite 43 plastic hardener 43 industrial degreaser 43 organochlorine 43 Parleys Creek 43 inorganic arsenic 43 biotoxin 43 endocrine disruptor 43 cocaine alkaloid 43 diethylene glycol DEG 43 carbon tetrachloride 43 foothills bordered 43 artificial sweetener aspartame 43 Septic tanks 43 groundwater contaminant 43 microbiological contaminants 43 corroded wiring 43 FGD gypsum 43 Mahomet Aquifer 43 Coronet Industries 43 groundwater contaminants 43 marine biotoxin 43 ammonium perfluorooctanoate 43 seepages 43 jewelry Weidenhamer 43 arsenic cadmium mercury 43 nonpotable 43 dump raw sewage 43 highly combustible methane 43 Seepage detected 43 dihydrogen monoxide 43 air sparging 43 toxic chemicals 43 counterfeit impure 43 mercury dental fillings 43 neuro toxin 43 Legionella bacteria 43 odorless tasteless 43 eating microwave popcorn 43 pthalates 43 fecal coliforms 43 multistate salmonella 43 unlined ponds 43 silt buildup 43 hydro fracking 43 Dechlorane Plus 43 Pompton Lake 43 sediment buildup 43 causing splotchy teeth 43 flouride 43 denture creams 43 subsea dispersants 43 exceedences 43 chlorine residual 43 discharging untreated 43 Qarmat Ali 43 eco toxicological 43 deepsea drilling 43 flawed welds 43 naturally occurring mineral 43 erosion sedimentation 43 Dying jellyfish 43 hormone disrupters 43 gaseous chlorine 43 organophosphate pesticide 43 drinking fluoridated 43 coliform bacteria 43 ozone depleting CFCs 43 cry Meng Xianchen 43 PCB resuspension 43 Microcystis 43 airborne toxins 43 contaminating 43 solvents pesticides 43 total coliform 43 Hueco Bolson 43 Clostridium botulinum bacterium 43 nitrite poisoning 43 perchlorate plume 43 Bacillus cereus 43 toxic algal bloom 43 refrigerant leaks 43 South Fork Tenmile 43 Kettleman Hills landfill 43 perchlorates 43 fluoridated tap 43 aerosolize 43 perfluorinated compounds PFCs 43 Triclosan 43 haloacetic acid 43 potability 43 Cryptosporidium parvum 43 tailing ponds 43 worthwhile Schwehm 43 chloride salts 43 leaking septic tanks 43 vinyl shower curtains 43 frog deformities 43 hormone disrupting 43 Lake Tenkiller Area 43 nitrate nitrogen 43 Trichloroethylene 43 tritium leak 43 vapor plume 43 fecal contamination 43 PharmaWater 43 pesticide chlorpyrifos 43 methyl hydrate 43 Maximum Contaminant Levels 43 mimics estrogen 43 persistent bio accumulative 43 unboiled water 43 raw sewage discharges 43 antibiotic chloramphenicol 43 pureeing vegetables 43 dioxin 43 Enterococcus 43 radionuclide contamination 43 contaminated sediments 43 invasive quagga mussel 43 pinhole leaks 43 coliform 43 E.coli outbreaks 43 Countywide landfill 43 Ozark Aquifer 43 perchlorethylene 43 nitrate 43 grease buildup 43 potentially harmful 43 administering toxic substances 43 musty moldy 43 Baxter Heparin 43 wastewater discharges 43 hazardous solvents 43 Szenher 43 perfluorooctane sulfonate 43 benzene nitrobenzene 43 contaminate wheat gluten 43 Walkerton tragedy 43 melamine tainted eggs 43 asbestos contamination 42 Delaware Inland Bays 42 MCAI describes 42 foul odors emanating 42 BPA bisphenol 42 cyanazine 42 chloramine 42 methyl tert butyl ether 42 hydraulic fracturing 42 tritiated water 42 Drenching storms 42 sewage discharges 42 polluted stormwater runoff 42 unknowingly ingest 42 journal Reproductive Toxicology 42 DuPont DeLisle plant 42 pavement sealants 42 electromagnetic fields EMFs 42 patulin 42 Starmet 42 environmentalist Adrienne Esposito 42 denitrifying 42 radioactive nuclides 42 Carbon tetrachloride 42 e.Coli 42 tremolite 42 pesticide residue 42 Embalming fluid 42 EFP weapon 42 TTHM 42 pesticide residues 42 unlabeled containers 42 shellfish harvested 42 toxic algae bloom 42 artificial sweetener saccharin 42 stormwater infiltration 42 Superfund site 42 nitrate concentrations 42 aluminum phosphide 42 measurable tritium 42 radioactive depleted uranium 42 contaminates drinking 42 Hydrogen Sulfide 42 fecal coliform bacteria 42 toxic solvents 42 sulfur gases 42 melamine contamination 42 Trihalomethanes 42 Scogs 42 fluoride 42 Melamine contamination 42 dioxins PCBs 42 indoor radon 42 triclosan 42 Nalipinski 42 Amy Hartsock 42 propellent 42 unpermitted discharges 42 Seepage 42 antibiotic residues 42 Athabasca watershed 42 Superfund cleanup sites 42 Squalene 42 Dan Spadoni 42 groundwater extraction 42 vinyl chloride 42 golden alga 42 orthophosphate 42 Contaminants 42 fracking wastewater 42 radioactively contaminated 42 oral malodor 42 dioxin concentrations 42 carbon monoxide colorless odorless 42 arterial hypotension 42 ciguatera 42 sterilants 42 asthma antibiotic resistance 42 beta HCH 42 toxic algae blooms 42 phosphine gas 42 hazardous waste dump 42 raw sewage spilling 42 methylnaphthalene 42 degreasing solvents 42 turbid water 42 bacteria Clostridium botulinum 42 Metachem 42 Perfluorinated chemicals 42 fluorotelomers 42 methylene chloride 42 depleting groundwater 42 Goudsmith 42 unapproved genetically modified 42 sulfate concentrations 42 Pitzarella 42 hormone disruptors 42 tritium 42 nitrates phosphates 42 organochlorine pesticide 42 drilling muds 42 arsenic cadmium 42 groundwater pollutant 42 hex chrome 42 microcystin 42 thimerosol 42 Ecoli 42 estrogen mimicking 42 blowdown stack 42 Serum phosphorus 42 uncontrolled hazardous waste 42 saxitoxin 42 fecal coliform 42 legionella bug 42 chemical leaches 42 toxic solvent perchlorethylene 42 Leadville Mine 42 ReNu MultiPlus solution 42 Hydrochloric acid 42 microwaving popcorn 42 insulating fluids 42 seagull droppings 42 polychlorinated biphenyls 42 listeria contamination 42 powerful neurotoxin 42 coal tar sealant 42 fluid inclusions 42 polluted 42 hydrologically connected 42 Vengosh 42 radioactive strontium 42 Libby vermiculite 42 sodium fluoride 42 ecotoxicological 42 remediating contaminated 42 infant formula contaminated 42 organotins 42 Enterococcus bacteria 42 polychlorinated PCBs 42 Disease Registry ATSDR 42 pentachlorophenol 42 toxic dioxins 42 pollutant 42 legionella bacteria 42 polycarbonate bottles 42 sewage spills 42 plantlike bacteria 42 restarted Casey Mears 42 Sheremata 42 butter flavoring diacetyl 42 Silicone breast implants 42 thallium toxic 42 bulk vitrification 42 endocrine disrupters 42 n hexane 42 acid sulphate 42 degassed 42 radioactive isotope tritium 42 DDT pesticide 42 Tallevast residents 42 Neuse River basin 42 arsenic mercury 42 sulfur dioxide mercury 42 David Mackriss 42 aflatoxin naturally occurring 42 venting steam 42 rodent poison aminopterin 42 toxic byproducts 42 blowdown drum 42 contaminated soil 42 microbiological sampling 42 Sewage spills 42 chloramines 41 nonpotable water 41 PCBs mercury 41 DINP 41 AL ANON FAMILY GROUPS 41 stormwater discharges 41 zebra mussel larvae 41 Carbofuran 41 leach toxins 41 shallow aquifers 41 chromium 41 banned pesticide DDT 41 Untreated sewage 41 dioxin tainted 41 hydrogen sulphide H2S 41 reverse osmosis filters 41 radium 41 toxicity 41 sibutramine controlled substance 41 Navas Acien 41 hydrogen cyanide HCN 41 discharging wastewater 41 brodifacoum 41 spewed scalding 41 osmium tetroxide 41 anthrax Bacillus anthracis 41 dichlorodiphenyltrichloroethane 41 diphenyl ethers 41 dissolved oxygen levels 41 vadose zone 41 carbon monoxide poising 41 Thi Vai River 41 enteric bacteria 41 ammonia chlorine 41 organophosphate insecticides 41 spillages 41 toluene solvent 41 salmonellosis outbreak 41 remote blackwater streams 41 Scofieldtown Park 41 Washington Toxics Coalition 41 PPCPs 41 F.D.A. 41 tainted vermiculite 41 reproductive toxicants 41 arsenic poisoning 41 evaporated dispersed 41 leaching 41 malfunctioning valve 41 Diacetyl 41 toxicants 41 PCBs 41 bisphenol A. 41 wastewater effluent 41 briny wastewater 41 Nummedal 41 cadmium arsenic 41 bedrock aquifer 41 Vesivirus 41 groundwater pumping 41 sewer overflows 41 yellowish liquid 41 organochlorine pesticides 41 Earthly microbes 41 stormwater outfalls 41 chlorinated Tris 41 Basil Seggos 41 viral hemorrhagic septicemia 41 phenolphthalein 41 AquAdvantage Salmon 41 Reye syndrome rare 41 phosphorus runoff 41 naturally occurring algae 41 musty moldy odor 41 polyaromatic hydrocarbons 41 dental amalgam fillings 41 ozone particulate matter 41 Ciris 41 melamine contaminated 41 Flea collars 41 e coli 41 radioactive isotope Polonium 41 bioaerosol 41 Sodium hydroxide 41 methyl chloroform 41 potent carcinogen 41 fishkill 41 dichlorodiphenyltrichloroethane DDT 41 erode tooth enamel 41 beverage Four Loko 41 tainted heparin 41 arsenic cyanide 41 coal slurry ponds 41 chromium polybrominated biphenyl PBB 41 spillage 41 Ms. Plame identity 41 arsenic manganese 41 MAPLEs 41 Squaw Creek Mine 41 dioxin laced 41 pesticide Endosulfan 41 Contaminant 41 botulism contamination 41 coliforms 41 spokeswoman Heidi Griesmer 41 polychlorinated biphenyl 41 dimethyl sulfide 41 Shiranui Sea 41 chlorinating 41 mercury vapors 41 bathing beaches 41 ipecac 41 microbial contaminants 41 sulfuryl fluoride 41 Zicam nasal gel 41 discharging untreated waste 41 Stachybotrys 41 Merapi crater 41 DDVP 41 salmonella montevideo 41 Hewletts Creek 41 milk powder contaminated 41 heptyl 41 Teflon cookware 41 sonofusion 41 skyrocket bursting 41 oxidizing substance 41 carcinogenic toxins 41 bootleg vodka 41 LLRICE# 41 Zipingpu dam 41 EPA 41 brominated compounds 41 Sodium fluoride 41 manganese smelter 41 arsenic cadmium chromium 41 airborne pollutant 41 drinking 41 orofacial clefts 41 geoengineering schemes 41 Thimerosal mercury 41 exceedances 41 OSCS 41 simazine 41 phototoxicity 41 endocrine disruption 41 Porton Down Wiltshire 41 dioxins 41 PCV1 41 Altose 41 biosolids compost 41 tarlike 41 chemical Bisphenol 41 Pat Farnelli 41 oilsands tailings 41 Cryptosporidium parasite 41 soft drinks fruit juices 41 unlined pits 41 turbidity 41 posed choking hazard 41 wastewater discharge 41 Arsenic contamination 41 Polybrominated diphenyl ethers PBDEs 41 frac fluid 41 ciguatera toxin 41 trihalomethane levels 41 formaldehyde preservative commonly 41 TCE plume 41 HBCD 41 Hammonasset River 41 Methylene chloride 41 Hydrogen Sulfide H2S 41 imazapyr 41 spokeswoman Tressa Tillman 41 tailings piles 41 dispersants 41 Jane Houlihan 41 OraPhyte TM 41 uncontrolled bowel movements 41 carbon monoxide particulate matter 41 E.coli 41 Dear EarthTalk Are 41 explosive hexogen 41 Teflon coated cookware 41 Brita filter 41 Paraquat 41 Muriatic acid 41 PCBs dioxin 41 polycarbonate plastic baby 41 Mercaptan 41 clostridium botulinum 41 Carbon monoxide CO 41 ash ponds 41 solvent toluene 41 toxic chemical melamine 41 spokeswoman Betsy Mallison 41 acrylamide 41 Enterococci 41 dissolved solids 41 lunar magma 41 vapor degreasing 41 toxin 41 Lauri Kemper assistant 41 leaking 41 phosphorus pollution 41 cryptosporidium bug 41 Naegleria fowleri 41 groundwater seepage 41 radioactivity 41 spokesman Naoyuki Matsumo 41 nitrates 41 E. coli 40 benzene toluene xylene 40 Sodium dichromate 40 crystalline silica 40 pesticide aldicarb 40 bacterium Clostridium 40 soil borings 40 hydrate deposits 40 Polychlorinated Biphenyls PCBs 40 pesticides flame retardants 40 roxarsone 40 Agua Hedionda 40 HealthyToys.org 40 tire crumb 40 White Rabbit Creamy 40 garimpeiro 40 tritium laced 40 Freshwater mussels 40 PoliGrip denture cream 40 ecoli 40 bio accumulative 40 Mouthwashes 40 spewed benzene 40 legionella bacterium 40 toxic fracking fluid 40 radionuclide detection 40 picocurie 40 ciguatera fish 40 Cathy Rofshus 40 Baxter heparin