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(Click for frequent words.) 63 unlined trenches 62 unlined waste 61 polluted groundwater 60 dredged sediment 60 unlined lagoons 60 tailings piles 60 unlined ponds 59 contaminate aquifers 59 settling ponds 59 mine tailings 59 tailing ponds 58 Contaminated soil 58 hazardous waste dump 58 kiln dust 58 contaminating groundwater 58 unlined landfills 58 drilling muds 58 benzene arsenic 58 Contaminated groundwater 57 tailing piles 57 sediment dredged 57 incinerator ash 57 unlined landfill 57 ecologically sensitive wetlands 57 groundwater plume 57 mill tailings 57 evaporation pond 57 pollutes streams 57 pollutes waterways 56 Texaco Petroleum 56 tritium contaminated 56 radioactive tailings 56 intermittent streams 56 arsenic cadmium mercury 56 beneficially reused 55 Embalming fluid 55 overthrust belt 55 Sewage sludge 55 ash sludge 55 impermeable shale 55 tarlike 55 Polluted runoff 55 degreasing solvent 55 tailings dumps 55 percolation ponds 55 LeGone LeBron James 55 Murky petroleum 55 gob piles 55 dredged silt 55 contaminated soils 55 polluted sediment 55 tailings basin 55 evaporation ponds 55 dredged sediments 55 Leachate 54 briny wastewater 54 brown soupy floodwater 54 pollute rivers 54 Milltown Reservoir 54 phosphogypsum 54 arsenic selenium 54 contaminates groundwater 54 expose coal seams 54 leaching toxins 54 Kulu copper 54 leach toxins 54 benzene ethylbenzene 54 toxic waste 54 underground coal seams 54 saline aquifer 54 Prudehoe fields included 54 oily sludge 54 acid sulphate 54 Treated wastewater 54 pore spaces 54 gob pile 54 coalbed 54 Blacklick Creek 54 impermeable clay 54 saline formations 54 radioactively contaminated 54 Trademarked Enviropigs whose 54 grass clippings weeds 54 Shifang collapsed 54 untreated effluent 53 Homespun remedies 53 flammable methane 53 cyanide arsenic 53 saline aquifers 53 Sodium dichromate 53 pollutes groundwater 53 unpermitted discharges 53 impermeable liner 53 PCB contaminated sediments 53 perchlorethylene PCE 53 impoundment ponds 53 fracing fluids 53 hydraulic fracturing fluids 53 Agrico Chemical Co. 53 raw untreated sewage 53 tailings pile 53 contaminated sediments 53 biohazardous waste 53 siliceous sediments 53 arsenic benzene 53 arsenic barium 53 recharge basins 53 Palos Verdes Shelf 53 residual bitumen 53 Porong River 53 dechlorinated 53 tainted vermiculite 53 tailings 53 underground geologic formations 53 biogases 53 solvent vapors 53 toxins leaching 53 methyl tert butyl ether 53 Q# vessel 53 Dawn dishwashing soap 53 Fracking fluid 53 nonhazardous waste 53 uranium tailings 53 Shannopin 52 abyssal plains 52 chlorinated solvent 52 TCE trichlorethylene 52 gypsum byproduct 52 naturally occurring radium 52 frack fluid 52 Exhaust gases 52 sludges 52 transuranic wastes 52 sedimentation ponds 52 filter feeders sucking 52 pesticides herbicides fungicides 52 leaking septic tanks 52 polluting groundwater 52 heap leach pads 52 drillship Discoverer Enterprise 52 freshwater aquifer 52 seafloor methane 52 tailing pond 52 anhydrite 52 Untreated sewage 52 Montara wellhead 52 disused mines 52 sludge 52 contaminate groundwater 52 inorganic contaminants 52 WR Grace vermiculite 52 contaminants leach 52 chemical intermediates inks 52 uncle Dawoud 52 Boac River 52 fracturing fluids 52 Kettleman Hills 52 silt dredged 52 underground geological formations 52 benzene toluene ethylbenzene 52 tetrachloroethene PCE 52 conical dome 52 sediment 52 Airplanes sprayed 52 streambeds 52 scrubber sludge 52 Summitville Mine 52 PCBs dioxin 52 Dredged material 52 decaying detritus 52 flower pots buckets 52 plutonium americium 52 silt laden 52 unreclaimed 52 polyaromatic hydrocarbons 52 oily wastes 51 dredgings 51 chromic acid 51 sulphurous smell hung 51 clamshell dredge 51 towering blast furnace 51 railcar unloading 51 Bayou Verdine 51 deep saline aquifers 51 Lake Delton overflowed 51 wastewater lagoons 51 Hydraulic fluid 51 owner Joao Andrade 51 paints solvents pesticides 51 sheared mafic 51 slurry ponds 51 radioactive thorium 51 radioactive sludge 51 Scuba divers donned flippers 51 acid chloride 51 volcanic tuffs 51 blankets duffel bags 51 Alliston Aquifer 51 concentrated brine 51 hydro fracturing 51 LLRW 51 contaminated soil 51 fracking wastewater 51 regulate ballast 51 iron sulphate 51 Philippine volcano spews 51 South Fork Tenmile 51 fracking fluid 51 pyroclastic surges 51 Alliston aquifer 51 extract coalbed methane 51 slimes dams 51 contaminate groundwater supplies 51 artisanal shafts 51 DDT PCBs 51 Earthly microbes 51 sulfur oxides nitrogen oxides 51 colorless odorless radioactive 51 Brackish water 51 geological repository 51 Altamont Landfill 51 PCBs polychlorinated biphenyls 51 shallow aquifer 51 basalt formations 51 Chlordane 51 toxic hydrogen sulfide 51 subsoils 51 hexachlorobenzene 51 Ruston smelter 51 waste decomposes 51 unmarked paupers graves 51 Starmet 51 Lynnview Ridge 51 cellulose hemicellulose 51 chemical slops 51 contains arsenic cadmium 51 digester tanks 51 contaminated groundwater 51 aluminum dross 51 soils sediments 51 glean flecks 51 pollute groundwater 51 Scofieldtown Park 51 oily bilge water 51 raffinate 51 blowdown stacks 51 arsenic boron 51 bauxite residue 51 Nitrogen N2 51 coal slurry 51 shallow aquifers 51 Sodium cyanide 51 gold bearing gravels 51 crooked mortician 51 oxidized ore 51 Septic tanks 51 Vinyl chloride 51 nearby Killdeer Mountains 50 Groundwater contamination 50 arsenic contaminated 50 sludge ponds 50 bio degradable waste 50 Cohansey aquifer 50 Muskeg River mine 50 arsenic chromium 50 evaporated dispersed 50 coalbeds 50 abyssal plain 50 groundwater aquifers 50 porous sandstone 50 culm 50 sulfurous acid 50 attracting vermin 50 nonhazardous materials 50 unmineable 50 saprolitic 50 groundwater aquifer 50 Berea sandstone 50 dumptruck loads 50 Wingfield Pointe 50 Honopou 50 trichloroethene TCE 50 thin stillage 50 Superfund toxic 50 geotextile fabric 50 slag pile 50 mildly radioactive 50 fracking fluids 50 frac fluids 50 swirling dust devils 50 McClusky Canal 50 toxaphene 50 chloride salts 50 PCBs dioxins 50 bitumen tar 50 shredded pine bark 50 headwater streams 50 Treated sewage 50 salt dome caverns 50 muck dredged 50 toxic nitrobenzene 50 shallow depressions 50 Floridian aquifer 50 pipes corroding 50 trichloroethene 50 soda cans floated 50 sediment basins 50 diked 50 sand silt 50 Sopranos wonks combed 50 #,#,# trichloroethane 50 arsenic manganese 50 Mountaintop removal coal 50 anaerobic decomposition 50 tuffaceous rocks 50 geological repositories 50 injection wells 50 Alviso Slough 50 Sediments 50 seafloors 50 glasslike logs 50 PROCTOR Water 50 residual leaching 50 polychlorinated biphenyl PCB 50 toxic sediments 50 Waratilla Prospecting License 50 Squaw Creek Mine 50 frac fluid 50 sumps 50 peat soils 50 Syncrude Mildred Lake 50 wastewater effluent 50 subsurface minerals 50 potentially mineable 50 nepheline 50 sulfuric acids 50 hexachlorobenzene HCB 50 hazardous solvents 50 toxic residues 50 delicate coastal marshes 50 sewage effluent 50 excrete methane 50 Canadon Seco formation 50 Conemaugh River 50 creates calcium sulfate 50 uncontrolled hazardous waste 50 silt traps 50 toxic wastes 50 barium chloride 50 environmentalist Adrienne Esposito 50 anaerobically digested 50 subsurface soils 50 impermeable layer 50 Devonian limestone 50 alluvial gravels 49 garimpeiro 49 phosphate ore 49 Athabasca sandstone 49 Containment booms 49 Kolke Creek 49 trichloroethane 49 toxic dioxins 49 charred tree trunks 49 silicate rocks 49 aquaculture ponds 49 decomposing trash 49 waterfall engulfing 49 hydraulic fracturing fluid 49 Sigou 49 polyaromatic hydrocarbons PAHs 49 crystalline silica dust 49 incineration burial 49 Radioactive waste 49 industrial solvent trichlorethylene 49 spokeswoman Tisha Petteway 49 Transocean Discoverer Enterprise 49 upland forests 49 pediment gravels 49 extract bitumen 49 streambanks 49 hydraulically fracture 49 pyritic rock 49 Redfield Wilder 49 spewed scalding 49 slag piles 49 halite 49 slurry 49 iron sulfide 49 NIOB interval n 49 livestock manure 49 cenospheres 49 ship ballast tanks 49 Raw sewage 49 leaked tritium 49 Coster Shop 49 limestone boulders 49 Plainwell Dam 49 Anvil Points 49 barium chromium 49 sedimentation basin 49 taconite tailings 49 groundwater 49 decompose naturally 49 dredge spoils 49 Lumsden Potash 49 Treated effluent 49 cement kiln dust 49 Waning Ida downpours 49 colluvium 49 dredge spoil 49 grass sagebrush 49 gravel quarries 49 finely powdered 49 acid sulphate soils 49 tailings impoundment 49 foul smelling sludge 49 becomes RENEWABLE RESOURCE 49 Mechanical diggers 49 Cheesman Reservoir 49 disseminated sulfide 49 commerce Deibel 49 hazardous waste landfills 49 nonpotable water 49 Whittaker Bermite 49 tailings impoundments 49 Chicot Aquifer 49 subsurface aquifers 49 raw sewage spilling 49 zinc sulfide 49 rivers dammed 49 arsenic cadmium copper 49 earths crust 49 Shannopin Mine 49 ROM ore 49 washwater 49 bedrock aquifers 49 degraded wildlife habitat 49 Snake River Plain 49 ash slurry 49 rapids cascading 49 bio solids 49 hydrochloric acid leaked 49 asbestos contaminated vermiculite 49 Sodium hydroxide 49 carcinogenic byproducts 49 Puerco Canyon 49 reclaimed wastewater 49 marshy wetlands 49 potent radioactive isotope 49 toxic sludge 49 Digger Rocks 49 poison gases 49 tin cans plastic 49 hydrogen sulfide toxic 49 rat burrows 49 Palmira Briseno 49 sulfide bearing 49 revegetating 49 Combe Fill 49 sediments 49 bentonite clay 49 lithology alteration 49 Granite Wash formation 49 including cyromazine 49 shoveling oily sand 49 stormwater discharge 49 MICHAEL REYNOLDS 49 KINSHASA Congo Fabulous 49 sewer outfalls 49 tremolite 49 DDT dieldrin 49 coal slurry ponds 49 Toxic chemicals 49 bearing stratigraphy 49 Muriatic acid 49 pollute waterways 49 froth flotation 49 re vegetating 49 tremolite asbestos 49 purifying tablets 49 toxic solvents 48 really kerogen precursor 48 microscopic droplets 48 Nivloc Mine 48 intermediate tuffs 48 methane nitrous oxide hydrofluorocarbons 48 putrid odors 48 creeks rivers 48 OTCBB PTPE FRANKFURT 4PP 48 hydrocarbon vapors 48 toxic tailing ponds 48 inject slurry 48 industrial wastewaters 48 Dutson Downs 48 bd.className + = 48 Tailings Storage Facility 48 Indonesian volcano spews 48 ethylene glycol antifreeze 48 dump raw sewage 48 Claymont Del. spilling 48 lakebeds 48 Teresa Meyerer 48 bermed 48 lime slurry 48 nonpotable 48 Untreated wastewater 48 Metachem 48 unmineable coal seams 48 radiological contaminants 48 Methyl tertiary butyl ether 48 refining smelting fabricating 48 bedrock aquifer 48 biodegraded 48 shatter tightly compacted 48 chromium mercury 48 contaminant plume 48 trihalomethanes THMs 48 brackish Lake Pontchartrain 48 harmful vapors 48 secondary clarifiers 48 BTEX chemicals 48 hazardous vapors 48 carbonaceous material 48 chlorinated solvents 48 sulfur gases 48 Serum phosphorus 48 Section #NE [003] 48 Illegally dumped 48 paleochannels 48 synthetic liquid hydrocarbons 48 coalbed methane wells 48 cane bagasse 48 benzene toluene xylene 48 carcinogenic PCBs 48 Tontitown landfill 48 street sweepings 48 Goldpines North 48 methane CH4 48 Tittabawassee River floodplain 48 chlorinated hydrocarbon 48 pelicans turtles 48 Kamoamoa eruption 48 sandstone horizons 48 Polychlorinated biphenyls 48 treeless hills south 48 Xstrata Copper Las Bambas 48 aerobic digester 48 marine sediments 48 Effluents 48 herbicide Spike #DF 48 aeration basins 48 groundwaters 48 transuranic elements 48 Drainage ditches 48 iron sulfate 48 Brimstone leach pad 48 biphenyls 48 carcinogenic benzene 48 sequestering CO2 48 Methane hydrates 48 putrid smelling 48 situ bitumen production 48 impermeable membrane 48 eluvial 48 sedimentation basins 48 Nariin Sukhait 48 aboveground storage 48 Detailed geological mapping 48 Ecuador Amazon rainforest 48 Hollencrest Securities Llc 48 Somlovasarhely 48 charcoal filters 48 Toxic sludge 48 coal seams coalbed 48 frac flowback 48 outer edges complicated 48 leachates 48 lead laced poultice 48 Moshannon Creek 48 Milk jugs 48 colluvial 48 witless diversion 48 Romomangun 48 containers ceramic pots 48 wetland vegetation 48 combustion byproducts 48 freshwater streams 48 Perchlorate contamination 48 Techa River 48 pesticides solvents 48 Tailings ponds 48 Phocas Financial Corp 48 storage casks 48 scar tissue degenerative cysts 48 Response Compensation 48 pyroclastic material 48 oilsand 48 sediment ponds 48 Harmattan Co 48 Sulfuric acid 48 belched clouds 48 Songhuajiang River 48 permeable soils 48 Kaim denounced 48 carcinogenic chemicals 48 Highly radioactive 48 depleted aquifers 48 containing soot dioxins 48 valley fills 48 yucky brine 48 flotation tailings 48 blackwater 48 opencast pit 48 EOTT 48 Potassium hydroxide 48 process gasifies liquid 48 remove oils greases 48 Klaza Zone 48 vanadium ore 48 absorbs carbon dioxide 48 stormwater basins 48 flammable hydrocarbons 47 benzene carcinogen 47 irradiated fuel rods 47 tetrachlorethylene PCE 47 Chronim Investments Inc 47 Nueva Concepcion 47 volcanic cinders 47 Barataria basin 47 Foisey Creek 47 groundwater contaminants 47 hydraulically fracturing 47 Bunker Hill smelter 47 Crestmoor Canyon neighborhood 47 Banklick Creek 47 poisonous gasses 47 unsorted waste 47 BP ruptured Macondo 47 Sanitary sewer overflows 47 negligently concealing 47 Carbon monoxide byproduct 47 underground inundates 47 steep sandstone cliffs 47 actinides 47 shale tar sands 47 revegetated 47 deplete aquifers 47 eroding shorelines 47 vermin composting 47 operated horizontal wells 47 dewatered 47 Heap leaching 47 Polycyclic aromatic hydrocarbons 47 Bandmill 47 vadose zone 47 Act CERCLA 47 irrigate farmland 47 Bulldozers plowed 47 Tunguska Siberia 47 subterranean aquifers 47 limestone dolomite 47 unventilated tunnel 47 calcium oxide 47 Federal Creosote 47 Transuranic waste 47 chlorine bleaching 47 fluorinated specialty 47 pollute groundwater downstream 47 Cassiar Moly property 47 sulfurous gases 47 biphenyls PCBs 47 Chayvo 47 Korkan target 47 NAVARRO MILLS Water 47 forested watersheds 47 GRANGER Water 47 aerobic decomposition 47 phosphogypsum stacks 47 phosphate mines 47 busted wellhead 47 deoxygenated 47 hazardous substances pollutants 47 benzene vapors 47 metal degreasing 47 gypsum stacks 47 ยท Incomplete entries 47 Fracking involves pumping 47 fertilize crops 47 reprocess arsenic laden 47 pentachlorophenol 47 Longwall mining 47 hopper barges 47 Unexploded munitions 47 Seeping 47 seafloor sediment 47 Glenburn Pond 47 Fracking involves injecting 47 Mayon slopes 47 mountaintop removal mines 47 Tianwaitian field 47 nahcolite 47 rainwater seeps 47 coal seams coalbed methane 47 feedstock uranium hexafluoride 47 triclocarban 47 emerging contaminants radiochemistry 47 degassed 47 Hobet 47 gangue 47 sludge lagoons 47 Mature oysters 47 Clean Streams Law 47 catchbasins 47 coke oven gas 47 oxide sulphide 47 manure slurry 47 TOLEDO BEND Water 47 Interstate #W crumpled 47 STEPHEN MORRISON 47 irrigate landscaping 47 seafloor sediments 47 Dissolve gelatin 47 Engineer Husnu Unal 47 excavator trenches 47 Keith Takata 47 groundwater contaminant 47 IMPACT Tons 47 dichloroethane 47 arsenic beryllium 47 Butia prospect 47 mixture CWM 47 diamond bearing gravels 47 tarlike substance 47 TRAVIS Water 47 absorb rainwater 47 rubbly 47 stormwater discharges 47 hazardous waste incinerators 47 drillhole spacing 47 Longmen Shan fault 47 Eagle Atome 47 ruptured undersea well 47 Harmony Elandsrand mine 47 Pottersburg 47 fracking drillers 47 sediments deposited 47 zinc smelting plant 47 Neuse River basin 47 sewage spews 47 Radioactive substances 47 sodium bisulfate 47 baghouse dust 47 argentiferous 47 cadmium barium 47 flattened thatch roofed 47 chemical perchlorethylene 47 Mix cornstarch 47 hematite goethite 47 hydrochloric acid HCl 47 deep saline aquifer 47 persistent bio accumulative 47 Anuri kimberlite 47 Nitric acid 47 polluted stormwater 47 Coalbed methane 47 calcine 47 perchlorethylene toxic 47 waste lagoons 47 hydromulch 47 saltwater byproduct 47 brackish groundwater 47 basalt volcanic 47 lagoons 47 Artisanal miners 47 produce zinc calcine 47 Multimanager Small Cap 47 Toxicity Characteristic Leaching Procedure 47 sporadically emitting 47 animals stomachs corroding 47 Songhua flows 47 limestone fissures sinkholes 47 RCRA 47 zinc indium 47 manure pits 47 Kolwezi copper cobalt 47 spokeswoman Skylar McElhaney 47 situ extraction 47 elemental sulfur 47 glauconite 47 wastewaters 47 unsorted rubbish 47 gasifying 47 sandstone limestone 47 Discoverer Enterprise drillship 47 oily mist 47 solvent trichlorethylene 47 Shieldalloy 47 fiercest blazes 47 tritiated water 47 radioactive radium 47 dioxin concentrations 47 Superfund hazardous waste 47 photic zone 47 gypsum pond 47 collapse unleashing torrent 47 bituminous thermal 47 garimpeiro workings 47 Salinas Grandes 47 dichloroethylene 47 haz waste 47 PAHs polycyclic aromatic hydrocarbons 47 recharge aquifers 47 Drumlummon vein 47 La Preciosa killer 47 Hintlesham Suffolk 47 chemically dispersing 47 manganese zinc 47 Hydrogen Sulfide 47 Spawned grave atrocities 47 pristine Amazon rainforest 47 sequester CO2 47 frac plugs 47 acquifers 47 toxic chemicals 47 Barrick Eskay Creek 47 drainage ditches dug 47 hog lagoons 47 Drill Hole RCHE 47 unpermitted discharge 47 plausible explanation CAS 47 diamondiferous gravels 47 Leadville Mine 47 Bloodstained bandages littered 47 stormwater pipes 47 perfluorochemicals PFCs 47 Thick sticky 47 spontaneously ignite 47 peaty soil 47 Tailings 47 contamination Nishiyama 47 vacuum skimmers 47 Dieldrin 47 sewage overflowed 47 rainwater catchments 47 microbes decompose 47 methyl isocyanate MIC 47 uncompacted 47 nitrogenous compounds 47 Sediment cores 47 limestone bedrock 47 Radioactive tritium 47 inorganic salts 47 resembled rust colored 47 hydrochloric acids 47 end Ixtoc spewed 47 Overflowing lakes 47 reinjects 47 mercury chromium 47 acid baths 47 freshwater aquifers 47 Los Bronces Los Pelambres 47 cyanide spillage 47 Zijinshan mine 47 Goulds Dam 47 dehumidifier fills 47 potash KCl 47 cofferdams 47 tarry bitumen 47 contaminates drinking 47 clogging waterways 47 Elemental mercury 46 Lupita Mine 46 caprock 46 operated vermiculite mine 46 gasified 46 Questar Gas Management 46 Goshute reservation 46 frac sand 46 Ninglick 46 toxic pollutants 46 Tahariyat square 46 Albian Sands Energy 46 ultramafic rock 46 mercury selenium 46 Soil samples 46 molten sulfur 46 upflow 46 bulk vitrification 46 spews lava 46 Volgoneft 46 degreasing solvents 46 desulfurization gypsum 46 Kalumines Copper Cobalt 46 toxic byproducts 46 combined deadweight tonnage 46 heap leached 46 garbage incinerators 46 caustic wastewater 46 windblown sand 46 subaqueous 46 hydrologically connected 46 paycheck Jurisich 46 stormwater ponds 46 Suncor oilsands 46 Bantar Gebang dump 46 missing makable putt 46 Smoky Canyon 46 COLETO CREEK Water 46 irritate airways 46 arsenic cyanide 46 Ozark Aquifer 46 compacted clay 46 Herculaneum smelter 46 Methyl mercury 46 pleural cavity 46 untreated sewage spilled 46 radionuclide detection 46 fumes wafted 46 carbonaceous shale 46 foul smelling liquids 46 biodegradable wastes 46 chemical methyl isocyanate 46 sewer manholes 46 nontidal wetlands 46 spewed benzene 46 treated effluent 46 Westpeak Global Advisors Lp 46 g t rhenium 46 gasoline PVC piping 46 sulfuric acid mist 46 Yaxtche zone 46 Prophecy Ulaan Ovoo coal 46 rocky crevices 46 delicate marshlands 46 tetrahydrofuran 46 noxious gasses 46 polychlorinated vinyls 46 Biscayne Aquifer 46 Carbonaceous 46 Soumber 46 basalt flows 46 Tortigny deposit 46 Norfolk Va. shipyards 46 seabed sediments 46 TCE PCE 46 Connoquenessing Creek 46 Household hazardous wastes 46 carcinogenic fibers 46 muddy moonscape 46 gases vapors 46 fertile topsoil 46 Candle wax 46 gaseous chlorine 46 fecal coliform contamination 46 Aberjona River 46 sulfur dioxide SO2 nitrogen 46 v. Dagher 46 CIM compliant 46 fecal pellets 46 Skippack Creek 46 resuspend 46 Kensico Reservoir 46 Thoroughly cooking eggs 46 porous limestone 46 ore dregs 46 tailings dams 46 shale sedimentary 46 demineralised water 46 Mamm Creek 46 ozone particulate matter 46 Talmadge Creek 46 Nick Nolte escapes 46 sodium coolant 46 liquefied chlorine 46 Dirty soapy 46 unexploded ordinances 46 produce briny wastewater 46 Cordero Rojo mine 46 contaminating 46 sludge impoundment 46 Hueco Bolson 46 methyl chloroform 46 poisonous chlorine 46 Shell Muskeg River 46 gushing wellhead 46 Upper Floridan Aquifer 46 phumdis 46 tetrachloroethene 46 mercury dioxins 46 tritium laced 46 outcrop stripping 46 toluene benzene 46 smog forming compounds 46 Geduld EE 46 Hydraulic fracturing 46 Arctic permafrost 46 acids solvents 46 contaminating waterways 46 manure lagoons