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(Click for frequent words.) 66 pollutes groundwater 63 contaminate aquifers 63 polluting groundwater 62 contaminating groundwater 61 contaminate drinking 61 Perchlorate contamination 60 contaminate groundwater 59 Brackish water 59 pollutes waterways 59 fecal coliform contamination 58 Nitrate contamination 58 produce briny wastewater 58 contaminants leach 58 shallow aquifers 57 PAHs polycyclic aromatic hydrocarbons 57 fracing fluids 57 toluene benzene 57 freshwater aquifer 57 Polluted runoff 57 methyl tert butyl ether 57 Carrowmore Lake 57 filter impurities 56 contaminates drinking 56 pollute groundwater 56 bacteriological contamination 56 Fecal coliform 56 nitrates phosphates 56 arsenic contaminated 56 irrigating crops 56 colorless odorless radioactive 56 pesticide contamination 56 DuPont DeLisle plant 56 Cohansey aquifer 56 polluted groundwater 56 contaminates 55 tritium contaminated 55 Sewage sludge 55 anaerobic decomposition 55 groundwaters 55 toxic residues 55 decaying algae 55 soils sediments 55 toxic hydrogen sulfide 55 Chromium VI 55 leach toxins 55 coli bacteria 55 toxic polychlorinated biphenyls 55 dioxin PCBs 55 phosphogypsum stacks 55 cyanide arsenic 55 spokeswoman Skylar McElhaney 55 deplete aquifers 54 pollute rivers 54 inorganic contaminants 54 recharge groundwater 54 unlined pits 54 disinfection byproducts DBPs 54 toxins leaching 54 polluting waterways 54 trichloroethene 54 GMO alfalfa 54 waste decomposes 54 DDT PCBs 54 leaking septic tanks 54 dechlorinated 54 groundwater aquifer 54 heptachlor 54 chlorinated hydrocarbon 54 carcinogenic benzene 54 contamination Nishiyama 54 polychlorinated biphenyl PCB 53 microbiological contaminants 53 degreasing solvent 53 Thoroughly cooking eggs 53 MBTE 53 beachwater 53 tailing piles 53 pesticide carbofuran 53 E Coli bacteria 53 unchlorinated water 53 Airplanes sprayed 53 trihalomethanes THMs 53 pelicans turtles 53 radium naturally occurring 53 polynuclear aromatic hydrocarbons 53 Radioactive contamination 53 gasoline additive methyl 53 leaching toxins 53 coalbed 53 turbid water 53 unpermitted discharges 53 Methyl tertiary butyl ether 53 tertiary butyl ether MTBE 53 tetrachloroethene 53 deplete oxygen 53 biosolids compost 53 leaky septic tanks 53 naturally occurring radium 53 Obleski 53 Clostridium botulinum bacterium 52 industrial solvent trichlorethylene 52 shale extraction 52 E.Coli bacteria 52 Fecal contamination 52 phosphates nitrates 52 PCBs dioxins 52 Trihalomethanes 52 Groundwater contamination 52 benzene toluene xylene 52 contaminents 52 phosphorous fertilizers 52 phosphorus pollution 52 anaerobic microbes 52 Methyl mercury 52 bays estuaries 52 groundwater 52 attracting vermin 52 Treated wastewater 52 MtBE 52 ecologically sensitive wetlands 52 Contaminated groundwater 52 Untreated sewage 52 carcinogenic substance 52 microbial degradation 52 arsenic selenium 52 brackish groundwater 52 Polychlorinated biphenyls 52 saline intrusion 52 perchlorethylene PCE 52 coal tars 52 acid sulphate 52 sulfolane 52 filter feeders sucking 52 acidify 52 estrogenic compounds 52 barges ballast 52 desulfurization gypsum 52 pollutes streams 51 groundwater aquifers 51 molecularly identical 51 oily wastes 51 diarrhea cramps nausea 51 discharging wastewater 51 Hammonasset River 51 atmospheric deposition 51 environmentalist Adrienne Esposito 51 hormone disrupter 51 drilling muds 51 contaminating waterways 51 frack flowback 51 hydro fracturing 51 benzene toluene ethylbenzene 51 fracking fluids 51 PCBs pesticides 51 radioactive byproducts 51 wastewater lagoons 51 Floridian aquifer 51 benzene carcinogen 51 Radioactive waste 51 Hydrogen sulfide 51 E. Coli bacteria 51 MTBE contamination 51 drywall emits 51 surficial aquifer 51 dioxin laced 51 atrazine herbicide 51 polluted 51 freshwater lakes rivers 51 acquifers 51 arsenic barium 51 nitrate contamination 51 harmful byproducts 51 depleting groundwater 51 chromium contamination 51 harmful contaminants 51 chemical malachite green 51 THMs 51 discharging untreated 51 nitrogen leaching 51 McClusky Canal 51 Dieldrin 51 coal slurry 51 contaminating 51 porpoise vaults 51 pesticide methamidophos 51 hydraulic fracturing fluids 51 toxaphene 51 subsoils 51 bioaccumulation 51 dissolved oxygen DO 51 benzene arsenic 51 pollute waterways 51 fecal chloroform 51 sedimentation basins 51 contaminate 51 Prussic acid 50 phosphogypsum 50 E coli bacteria 50 invasive zebra mussels 50 contaminants 50 carcinogenic byproducts 50 polychlorinated PCBs 50 cocaine alkaloid 50 dredged sediment 50 Hueco Bolson 50 Amy Hartsock 50 tailing ponds 50 fracturing fluids 50 soil vapor intrusion 50 rabbit droppings 50 Arsenic contamination 50 Sanlu powdered milk 50 karst geology 50 trichloroethene TCE 50 recharge underground aquifers 50 Wreck Pond 50 Contaminated soil 50 arsenic chromium 50 smog forming compounds 50 hazardous substances pollutants 50 contaminated 50 slurry ponds 50 azinphos methyl 50 tetrachlorethylene PCE 50 cyanides 50 phosphorus runoff 50 Joan Mulhern 50 fracking chemicals 50 SDWA 50 discharging pollutants 50 shallow aquifer 50 barium chromium 50 TTHMs 50 Septic tanks 50 oil munching microbes 50 oily bilge water 50 algal toxin 50 fracking wastewater 50 waterborne parasites 50 listeria monocytogenes bacteria 50 hexachlorobenzene 50 South Fork Tenmile 50 Bob Bowcock 50 frack fluid 50 e coli bacteria 50 spores germinate 50 Excess nutrients 50 hydro fracking 50 perfluorochemicals PFCs 50 Skippack Creek 50 Prudehoe fields included 50 Upper Floridan aquifer 50 harmful residues 50 phosphorous nitrogen 50 thin stillage 50 amphibole asbestos 50 biodegraded 50 Chlordane 50 Water hyacinth 50 contamination 50 fuel additive MTBE 50 briny wastewater 50 Sulfates 50 perfluorooctanoic acid PFOA 50 #,#,# trichloroethane 50 Neuse River basin 50 Untreated wastewater 50 bedrock aquifer 50 Upper Floridan Aquifer 50 fracking 50 Excess nitrogen 50 dump raw sewage 50 Thi Vai River 50 Paulusson 50 PCBs polychlorinated biphenyls 50 nitrogenous compounds 50 TCE trichlorethylene 50 plutonium americium 50 polyaromatic hydrocarbons 50 TCE PCE 50 arsenic benzene 50 Nitrogen N2 50 chlorine bleaching 50 Tittabawassee River floodplain 50 flame retardants PBDEs 50 Sewage spills 50 dissolved solids 49 fertilize crops 49 Ozark Aquifer 49 PCBs DDT 49 plantlike bacteria 49 microbes decompose 49 dichloroethene 49 potent carcinogen 49 fecal material 49 planktons 49 Muriatic acid 49 benzene ethylbenzene 49 nitrate nitrogen 49 regulate ballast 49 emerging contaminants radiochemistry 49 almond hulls 49 PCBs dioxin 49 antibiotic chloramphenicol 49 invisible odorless tasteless 49 Artesian wells 49 triclocarban 49 synthetic pesticides herbicides 49 recontaminated 49 Earthly microbes 49 unpermitted discharge 49 pentachlorophenol 49 depletes oxygen 49 acidifies 49 Scott Mandirola 49 effluent discharges 49 Radioactive particles 49 tritium contamination 49 chlorine ammonia 49 molds fungi 49 orthophosphate 49 pesticides herbicides fungicides 49 fuel additive methyl 49 Sodium cyanide 49 sulfate minerals 49 hydraulically fracture 49 manure slurry 49 metabolize dispersant 49 chloride salts 49 suspected carcinogen 49 Inorganic arsenic 49 MICHAEL REYNOLDS 49 frack fluids 49 Vinyl chloride 49 situ leach mining 49 effluents discharged 49 oversulfated chondroitin sulfate OSCS 49 raw untreated sewage 49 erode tooth enamel 49 manure spills 49 mercury chromium 49 Trademarked Enviropigs whose 49 chlorinated solvent 49 IMPACT Tons 49 Serum phosphorus 49 plastics detergents 49 Chlorinated 49 Lake Tenkiller Area 49 Freshwater mussels 49 trichloroethane 49 naturally occurring arsenic 49 freshwater streams 49 BTEX chemicals 49 waste lagoons 49 unlined landfill 49 unboiled water 49 arsenic cyanide 49 DDT dieldrin 49 Study Tanning beds 49 Clostridium botulinum spores 49 organochlorines 49 Palos Verdes Shelf 49 contain oxalic acid 49 Porong River 49 gaseous chlorine 49 unlined ponds 49 freshwater aquifers 49 silt laden 49 untreated effluent 49 groundwater plume 49 Effluents 49 naturally occurring micro organisms 49 Malek Wiley 49 jerry rigged electrical 49 Dunkard Creek 49 chlorine disinfectant 49 toxic solvent perchlorethylene 49 bacterial decomposition 49 fracking fluid 49 Carbon monoxide CO 49 bioaccumulates 49 vermiculite mined 49 causing splotchy teeth 48 Clean Streams Law 48 toxic solvents 48 phosphorous potassium 48 groundwater contaminant 48 particulate matter nitrogen oxides 48 estrogenic chemicals 48 polychlorinated vinyls 48 hazardous solvents 48 depuration 48 chlorine residuals 48 chlorine bleaches 48 waterlogged soils 48 disinfectant byproducts 48 inject slurry 48 plausible explanation CAS 48 Toxic algae 48 Little Assawoman Bay 48 Pesticide residues 48 vibrios 48 pore spaces 48 unlined trenches 48 resevoirs 48 sedimentation ponds 48 tetrachloroethene PCE 48 Kensico Reservoir 48 potability 48 gob piles 48 HAAs 48 harmful vapors 48 shellfish harvested 48 nonpoint sources 48 Fecal bacteria 48 PCB contaminated sediments 48 seagull droppings 48 oxidises 48 wastewater discharges 48 charcoal filters 48 contaminant 48 polluted stormwater 48 muck dredged 48 multistate salmonella 48 carcinogenic pollutants 48 raffinate 48 uncontaminated 48 DDT pesticide banned 48 hydrofracturing 48 hydrous 48 cow rumen Naczi 48 depleted aquifers 48 cancer causer 48 mercury PCBs 48 Agrico Chemical Co. 48 Shiranui Sea 48 algal toxins 48 bicarbonate ions 48 Leachate 48 benzene contamination 48 dioxin concentrations 48 microcystins 48 oligotrophic 48 anaerobic fermentation 48 yucky brine 48 Wanaque Reservoir 48 sewage effluent 48 saline groundwater 48 decaying vegetation 48 naturally occurring minerals 48 unlabeled containers 48 Methane hydrates 48 vibrio parahaemolyticus 48 arsenic contamination 48 listeria salmonella 48 Fenholloway 48 Trichloroethylene TCE 48 oceanic pollutants 48 solvent vapors 48 volatilize 48 radioactively contaminated 48 PCE TCE 48 perchlorethylene toxic 48 Tanker spills 48 Ricin derived 48 Treated sewage 48 WR Grace vermiculite 48 Pat Farnelli 48 unregulated fracking 48 Alliston Aquifer 48 erosion sedimentation 48 microbiological organisms 48 inhaling mist 48 sludge lagoons 48 carbon tetrachloride 48 estuaries bays 48 veligers 48 Mercaptan 48 hydrologically connected 48 unlined landfills 48 DBPs 48 Polychlorinated biphenyls PCBs 48 artificial sweetener saccharin 48 smog forming gases 48 sedimentation basin 48 Ecoli 48 polybrominated diphenyl ether 48 cellulose hemicellulose 48 nondetectable 48 Demand BOD 48 Branchport Creek 48 arsenic manganese 48 spokeswoman Phillippa Cannon 48 raw sewage discharges 48 underground coal seams 48 salty brine 48 discharging untreated waste 48 ozone particulate matter 48 dichloroethane 48 desalinating sea water 48 Ugum 48 e.coli bacteria 48 heptyl 48 herbicide residues 48 acid sulphate soils 48 dry distillers grain 48 Charles Sturcken 48 sprayfields 48 atrazine concentrations 48 manure lagoons 48 carcinogenic toxins 48 Skylar McElhaney 48 rotten egg smelling 48 herbicides pesticides 48 stormwater discharges 47 inorganic salts 47 carcinogenic dioxins 47 anaerobically digested 47 groundwater contaminants 47 remote blackwater streams 47 Seawater desalination 47 salinization 47 moldy hay 47 polluted sediment 47 Domoic acid neurotoxin 47 Mix cornstarch 47 mixture CWM 47 sediment dredged 47 additive MTBE 47 kidneys excrete 47 healthiest seafoods around 47 colorless odorless poisonous 47 bought Anaconda Copper 47 clog waterways 47 overpumped 47 flocculant 47 Gas hydrates 47 Rotenone 47 tertiary butyl ether 47 removes impurities 47 recharging groundwater 47 bacteria Clostridium botulinum 47 Mosquitoes breed 47 dioxins PCBs 47 hydraulic fracturing fracking 47 discharged untreated wastewater 47 unlined lagoons 47 deplete ozone 47 spokeswoman Betsy Mallison 47 lampreys spawn 47 solanine 47 sulfuric acids 47 spokeswoman Kristen Skopeck 47 mercury dioxins 47 Sodium dichromate 47 mildly acidic 47 desalinate brackish 47 hazardous waste incinerators 47 Kishon River 47 mildly radioactive 47 groundwater contamination 47 nutrient inputs 47 landfill leachate 47 dissolved salts 47 soluble salts 47 allergens irritants 47 organochlorine 47 pasteurize milk 47 emits greenhouse gases 47 bacteriologically 47 carcinogen benzene 47 Enterococcus bacteria 47 frac'ing 47 leaky septic 47 mercury accumulates 47 hydrogen sulphide H2S 47 dichloroethylene 47 reusing wastewater 47 hydrogenating 47 subsea dispersants 47 Pitzarella 47 persistent bio accumulative 47 Parleys Creek 47 operated vermiculite mine 47 Biodegradable plastics 47 total dissolved solids 47 toxified 47 ammonium nitrogen 47 denitrifying 47 ammonium perfluorooctanoate 47 anaerobically 47 decayed vegetation 47 phosphorus nitrogen 47 Microcystis 47 potassium salts 47 Dole Earthbound Farm 47 #,# dichloroethane 47 Radioactive tritium 47 phosphate mines 47 Chlorine dioxide 47 shellfishing beds 47 chemical perfluorooctanoic acid 47 re vegetating 47 hydraulic fracking 47 discharging sewage 47 sediment runoff 47 antibiotic residues 47 warm Gruben 47 hydrocarbon vapors 47 aquifers 47 Polychlorinated Biphenyls 47 shrimps crabs 47 Repetz 47 liquefied manure 47 mold fungi 47 trihalomethane levels 47 wetland vegetation 47 discharge effluent 47 powerful neurotoxin 47 fungal toxins 47 Elevated arsenic 47 Ozone disinfection produces 47 bacterium Clostridium 47 algal species 47 Campylobacter bacteria 47 undercooked shellfish 47 toxins 47 salinity intrusion 47 antibiotic residue 47 manure pits 47 dredge spoil 47 discharging effluent 47 salinisation 47 seed germinates 47 Dear EarthTalk Are 47 simazine 47 acid sulfate 47 flammable methane 47 chemical bromate 47 mountain snowmelt 47 acids solvents 47 Delaware Inland Bays 47 arsenic boron 47 fecal bacteria 47 CERRITOS PARK LAKE DFG 47 Upper Vaitarna 47 Sulphuric acid 47 haloacetic acids 47 tainted vermiculite 47 turbidity cloudiness 47 benzenes 47 perfluorinated chemicals 47 outgas 47 poisonous cyanide 47 Metachem 47 bicarbonates 47 Methylmercury 47 tritium plume 47 BSE prions 47 secondary clarifiers 47 embayments 47 toxic pollutant 47 Brian Lezina state 47 summarily plucked 47 biphenyls PCBs 47 uranium ores 47 concentrated brine 47 watertable 47 discharging untreated wastewater 47 Murky petroleum 47 hydrogen sulfide gases 47 subterranean aquifers 47 algaes 47 fertilized lawns 47 respired 47 Sodium chloride 47 sodium coolant 47 permeable soils 47 PCBs mercury 47 iron sulphate 47 APNewsBreak Bubble 46 radiological contaminants 46 Sulphur dioxide 46 sewage discharges 46 radioactive radium 46 dichlorobenzene 46 alluvial aquifer 46 bentonite clay 46 nonpotable 46 DDT pesticide 46 perfluorinated compounds 46 Easterday Ranches 46 Without functional ribosomes 46 Embalming fluid 46 arsenic radium 46 program cleancut reputation 46 coli salmonella 46 Paraquat 46 benzopyrene 46 clenbuterol positives 46 fecal coliform bacteria 46 toxic dioxins 46 Glenburn Pond 46 Thorough cooking kills 46 iron manganese 46 pesticides solvents 46 pesticide chlorpyrifos 46 poisioning 46 Adequate ventilation 46 replenishing groundwater 46 Clogged gutters 46 cadmium arsenic 46 additive methyl tertiary butyl 46 bioaerosol 46 Hydrogen sulphide 46 nitrification 46 sprayfield 46 Platoro Reservoir 46 levulinic acid 46 biphenyls 46 pesticides synthetic fertilizers 46 ponded 46 sewage overflowed 46 inland bays 46 Betsy Mallison spokeswoman 46 radioactive sludge 46 ciguatera toxin 46 Ninemile Creek 46 Biscayne Aquifer 46 absorbs neutrons 46 dump untreated sewage 46 Methyl Tertiary Butyl Ether 46 Fecal coliforms 46 phosphorus nutrient 46 nitrogen oxides carbon monoxide 46 Sodium fluoride 46 Rinse thoroughly 46 Fecal matter 46 nutria ate 46 eroding shorelines 46 Redfield Wilder 46 byproducts 46 herbicide Spike #DF 46 benzene formaldehyde 46 disinfection byproducts 46 effluent discharged 46 coal ash impoundments 46 Discolored water 46 PCB polychlorinated biphenyls 46 cladophora 46 Seeping 46 Coronet Industries 46 arsenic mercury 46 BTEX 46 Valley Rathdrum Prairie 46 Loutre 46 sodium chloride NaCl 46 Moshannon Creek 46 pathogenic micro organisms 46 biodegradable nontoxic 46 NPDES permits 46 Kafue river 46 radionuclide detection 46 shredded pine bark 46 Bromate 46 shale leasing 46 sewer outfalls 46 exempted fracking 46 bedrock aquifers 46 creeks rivers 46 BELVEDERE PARK LAKE DFG 46 overflowing sewage 46 LINCOLN PARK LAKE DFG 46 sulfur fumes 46 enterococcus bacteria 46 chemical slops 46 naturally occurring bacteria 46 digester tanks 46 slurry injection 46 naturally occurring algae 46 suggested desalinating sea 46 Dying jellyfish 46 substituting arsenic 46 uric acids 46 rainwater seeps 46 chemical fertilizers herbicides 46 HANSEN DAM LAKE DFG 46 radioactive tailings 46 intermittent streams 46 bioaccumulate 46 irrigate farmland 46 leach toxic chemicals 46 Enterococci bacteria 46 e.Coli 46 aquatic toxicity 46 Total Dissolved Solids 46 phytoplankton zooplankton 46 bird excrement 46 spewed benzene 46 rotting seaweed 46 flower pots buckets 46 Bottom trawling 46 fluorotelomer 46 damming rivers 46 Carrizo Wilcox Aquifer 46 unpasteurized apple cider 46 Arsenic occurs 46 dilute hazardous substances 46 spokeswoman Tisha Petteway 46 nitrate fertilizers 46 toxic nitrobenzene 46 threatened coho salmon 46 fine grained sediment 46 aquatic grasses 46 official Yoshinori Moriyama 46 domoic acid naturally occurring 46 pesticide Endosulfan 46 carbon monoxide particulate matter 46 finely powdered 46 Tionesta Creek 46 Radioactive substances 46 dioxin contaminated 46 saxitoxin 46 infertile soils 46 desalinating seawater 46 Calcium chloride 46 Fracking fluid 46 naturally occurring mineral 46 groundwater replenishment 46 Urbaszewski 46 Wissahickon Creek 46 resuspend 46 discharge untreated wastewater 46 Fecal coliform bacteria 46 detergents solvents 46 tarlike 46 depleting aquifers 46 Szenher 46 pesticide atrazine 46 Sparta aquifer 46 biomasses 46 Grass carp 46 washwater 46 Roxarsone 46 oxidise 46 airborne pollutant 46 Biodegradable bags 46 Severe infestations 46 benzene toluene 46 retting 46 botulism spores 46 oil sheens 46 Toxic sludge 46 haloacetic acid 46 Claymont Del. spilling 46 glean flecks 46 Sungai Selangor 46 fishkill 46 inorganic nitrogen 46 fragrances dyes 46 industrial wastewaters 46 Domoic acid 46 Thoroughly cooking 46 microbiological contamination 46 nonylphenol 46 pesticides insecticides 46 Inland Bays watershed 46 Kickemuit River 46 Fecal Coliform 46 hazardous vapors 46 endocrine disrupting compounds 46 sulfuric compounds 46 vadose zone 46 kiln dust 46 aquatic biota 46 reproduce prolifically 46 pumpable 46 Pepacton 46 nutrient deficient 46 John Repetz 46 Bayou Verdine 46 delicate coastal marshes 46 tarry substance 46 hazardous waste dump 46 replenish aquifers 46 para dichlorobenzene 46 groundwater pollutant 46 kills mosquito larvae 46 asbestos contaminated vermiculite 46 sequestering CO2 46 molecularly distilled 46 SOUTHWEST TEXAS soil 46 mountaintop removal mines 46 dechlorination 46 anchovies mackerel 46 demineralised water 46 Techa River 46 coal tar sealants 46 Inert ingredients 46 dolphins wash ashore 46 unmineable coal seams 46 aquaculture ponds 46 pollutes 46 colorless crystalline 46 sediment 46 saline aquifers 46 unknowingly ingest 46 shale tar sands 46 residual bitumen 46 bio degradable waste 46 dredgings 46 discharging untreated sewage 46 Hydrogen Sulfide H2S 46 degraded wildlife habitat 46 Contaminates 46 manure decomposes 46 Edge Moor 46 rotting vegetation 46 fluridone 46 covering pristine beaches 46 protective phytochemicals 46 salinated 46 pore clogging 46 carcinogenic PCBs 46 aluminum phosphide 46 genotoxic substance 45 PFOAs 45 perfluorochemicals 45 Cow manure 45 Hydraulic fluid 45 spokeswoman Elaine Makatura 45 contaminate groundwater supplies 45 H7 variant 45 rivers dammed 45 biogases 45 mercury selenium 45 Whittaker Bermite 45 bromine compounds 45 Blacklick Creek 45 Chicot Aquifer 45 Saltwater intrusion 45 produce zinc calcine 45 absorbs CO2 45 STEPHEN MORRISON 45 Matthew Rodell 45 wastewater effluent 45 animal droppings 45 Polycyclic aromatic hydrocarbons 45 underground aquifers 45 topsoils 45 organochlorine pesticides 45 Dispersants contain 45 Breathing ozone 45 stilling basin 45 deadly neurotoxin 45 lithium boron 45 alachlor 45 Algae bloom 45 electrolyte supplements 45 toxic byproducts 45 Microcystis aeruginosa 45 Elemental mercury 45 sulfur dioxide pollution 45 Chuitna River 45 stormwater overflows 45 tainting vegetables 45 Mhadei river 45 hydrocyanic acid 45 Carrizo Wilcox 45 emit sulfur dioxide 45 nonradioactive 45 Kafue River 45 assimilative capacity 45 lime slurry 45 bacterial mats 45 freshwater springs 45 Bentonite clay 45 genetically modified beets 45 nutrient discharges 45 chlorine residual 45 clogging drains 45 nonpoint source 45 nonpoint pollution 45 wellwater 45 unboiled 45 pollute 45 tritiated water 45 suction dredging 45 potent radioactive isotope 45 fibrous mineral 45 specialty organics dioxins 45 Moapa dace 45 evaporation ponds 45 Tunkhannock Creek 45 hex chrome 45 ferric sulphate 45 polycyclic aromatic hydrocarbons PAHs 45 disused mines 45 emulsifies