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(Click for frequent words.) 60 Filtration Plant 54 Water Treatment Plant 53 Wastewater Treatment Plant 53 Waste Treatment Plant 53 Wastewater Treatment Facility 50 Treatment Plant 50 Wastewater Treatment Plant WWTP 49 Sewer Treatment Plant 49 ultraviolet disinfection 49 Seymour Capilano 49 Pumping Station 49 Sewage Treatment Plant 49 Sewerage Treatment Plant 48 Kensico Reservoir 48 Reservoir Dam 48 Sewage Pumping Station 48 Generating Plant 47 LaFarge Cement 47 Ravenna Army Ammunition 47 Wastewater Treatment Works 46 Hydroelectric Station 46 Water Purification Plant 46 sedimentation basin 46 Reverse Osmosis Plant 46 Hydroelectric Dam 46 Wastewater Plant 46 Compressor Station 46 Pollution Control Plant 46 chlorinators 46 Trunk Sewer 46 Reclamation Plant 45 Cogeneration Plant 45 #MVA transformer 45 Ashta Chemicals 45 Mosholu Golf Course 45 Assunpink Creek 45 Dam spillway 45 WWTP 45 Sewerage Treatment 45 sewage treatment 45 Ordnance Works 45 Hazardous Material Team 45 Paerdegat Basin 45 Hazmat Team 45 kV substation 45 Trout Hatchery 45 gypsum pond 45 wastewater treatment 45 ordnance depot 44 Cement Plant 44 Joint Sewage Treatment 44 Blenheim Gilboa 44 sanitary sewage 44 dechlorination 44 Contaminated soil 44 Water Reclamation Facility 44 coke ovens 44 Beaver Creek Reservoir 44 Conrail railroad 44 AEP Mountaineer 44 untreated wastewater spilled 44 flush hydrants 44 Tanker trucks 44 Wastewater Facility 44 Advanced Wastewater Treatment 44 megawatt windfarm 44 Hydroelectric Plant 44 sewer interceptor 44 Tactical Response Team 43 plant 43 Nuclear Generating Station 43 neutralized VX 43 sanitary sewer mains 43 Eddystone Generating Station 43 dredged silt 43 MW cogeneration 43 Outfall 43 coke oven batteries 43 stormwater basins 43 Oquaga Creek 43 Cogeneration Facility 43 paste backfill plant 43 headworks 43 Generating Station 43 tainter gates 43 Coke Ovens 43 Treated sewage 43 Nanticoke Generating Station 43 untreated sewage flowed 43 Water Treatment 43 Dayawan 43 Santiam Canal 43 Watermain 43 Landfill Site 43 Badger Army Ammunition 43 sludge dewatering 43 watermains 43 Schoharie Reservoir 43 Reverse Osmosis RO 43 MW Combined Cycle 42 Hydroelectric Project 42 chlorinator 42 Notown Reservoir 42 sewerline 42 raw sewage spilling 42 Hydel Power Project 42 percolation ponds 42 Regional Sewerage Authority 42 outfalls 42 ultra violet disinfection 42 Hydropower Plant 42 membrane bioreactor MBR 42 dredged sediment 42 desulfurizer 42 clarifiers 42 Coke Oven 42 m³ d 42 headrace 42 Reservoir 42 Electrical Substation 42 Sewage Treatment Works 42 #kV substation 42 WWTF 42 ferric chloride 42 megawatt hydroelectric 42 aeration tanks 42 pumphouse 42 Hydroelectric Power Station 42 Substation 42 megawatt cogeneration 42 Treated effluent 42 Hartwell Dam 42 MLD sewage 42 air sparging 42 Waste Water 42 Storage Facility 42 Skippack Creek 42 diversion weir 42 Hydroelectric Power Plant 42 membrane filtration 42 #kV transmission lines 42 megawatt Integrated Gasification 42 West Mahanoy Township 41 Untreated sewage 41 Pump Station 41 Hazardous Material Response 41 overflowing manholes 41 substation 41 Army Ammunition 41 plants STPs 41 effluent discharged 41 sedimentation pond 41 linemen tree trimmers 41 Radford Army Ammunition 41 Sewage overflow 41 turbo expander 41 Clairton Coke Works 41 penstock 41 Intermodal Facility 41 Pohopoco Creek 41 linerboard mill 41 sludge lagoons 41 hydro electric dam 41 charcoal filters 41 St.in 41 Whiting Refinery 41 Mahoning Valley Sanitary 41 Power Plant 41 Cwellyn 41 Generating Station Unit 41 Treated wastewater 41 drainage culverts 41 Wanaque Reservoir 41 Badin Works 41 Creek Wastewater Treatment 41 outfall pipes 41 Croton Water Filtration 41 Rondout Creek 41 wasterwater 41 megawatt hydropower 41 Croton Aqueduct 41 MW Punatsangchhu 41 oxidation pond 41 Loantaka Brook 41 Combined Sewer Overflow 41 water mains 41 forcemain 41 Barge Canal 41 streambank restoration 41 aeration basins 41 Wappinger Creek 41 Essroc Cement Corp. 41 secondary clarifiers 41 containerboard mill 41 wastewater 41 Combined Cycle IGCC 41 Hebgen Dam 41 outfall 41 Pumping Stations 41 Army Ammunition Plant 41 sewer outfalls 41 aeration basin 40 Guanting 40 Paperboard Mill 40 kraft pulp mill 40 aqueduct 40 Randle Reef 40 tritium laced 40 stormwater outfalls 40 clearwell 40 Brook tributary 40 Mythe water 40 leachate collection 40 Desilting 40 stormwater outfall 40 Conneaut Creek 40 settling ponds 40 Stonycreek River 40 Processing Facility 40 turbine generators 40 Mill Pond Dam 40 Hingol 40 Engine Plant 40 Danskammer 40 Quemahoning Reservoir 40 substations 40 Sewage Plant 40 FUSRAP 40 Booster Pump 40 sediment ponds 40 de nitrification 40 Edge Moor 40 transformer substation 40 Jenbacher 40 Beech Bottom 40 kV transmission line 40 gaseous chlorine 40 Mongaup 40 feedwater heaters 40 catchbasins 40 coke oven battery 40 AEP Philip Sporn 40 sewer mains 40 wastewater lagoons 40 MAWC 40 Hydrant flushing 40 Banklick Creek 40 sinter plant 40 trichloroethene 40 untreated wastewater 40 sanitary sewer interceptor 40 Nizhne 40 Norlite 40 bedrock aquifer 40 Albeni Falls Dam 40 Sluice gates 40 Roseton 40 Decomposed body found 40 sanitary sewer manhole 40 lowhead dam 40 Valero Refinery 40 Groundwater contamination 40 reservior 40 kilovolt substation 40 Olin Chlor Alkali Products 40 Radioactive tritium 40 Huguenot Bridge 40 filtration 40 Waste Processing 40 megawatt MW 40 Raw Sewage 40 Aerovox 40 Crescentville Road 40 kilovolt ampere 40 Da Nhim 40 leaky sewers 40 Sanitary Landfill 40 Water Project LHWP 40 Storage Tanks 40 I-#/I-# interchange [004] 40 berm separates 40 Longannet coal 40 Cannonsville Pepacton 40 biomass gasifier 40 artesian wells 39 tankered 39 Sewage Treatment 39 Rajiv Gandhi Thermal Power 39 Riverbank Army Ammunition 39 sewage lagoon 39 Nacimiento Dam 39 Edgeboro landfill methane 39 kv substation 39 Municipal Swimming Pool 39 inch ductile iron 39 OpenWay ® 39 gypsum byproduct 39 secondary clarifier 39 Krefeld Uerdingen 39 DTE Energy Fermi 39 SaskPower Boundary Dam 39 Hongyanhe 39 HRSGs 39 lime kiln 39 Voith Hydro 39 penstocks 39 megawatt hydroelectric dam 39 Thermal Plant 39 Coyner Springs 39 Multipurpose Dam 39 KV transmission 39 sludge digestion 39 Reverse Osmosis Water Purification 39 ASHTA Chemicals Inc. 39 Brayman Construction 39 circulating fluidized bed 39 Treatment Facility 39 wooden flume 39 Notown 39 reservoir 39 Ordnance Plant 39 Bridge Commissioners HRBC 39 Saugeen River 39 #MW hydro [002] 39 Philip Sporn 39 batching plant 39 Kinzua Dam 39 Cannonsville reservoirs 39 leachate 39 Baileyville Maine 39 Curtis Specialty Papers 39 Ecosystem Restoration Project 39 Boiler Works 39 Phllip M. 39 Bulk Terminal 39 FirstEnergy Davis Besse 39 storage tanks 39 Chelatchie Prairie 39 Waiwhetu Stream 39 Dewatering 39 ultrafiltration membranes 39 Dos Amigos Pumping 39 #KV transmission line 39 Ling Ao 39 sewer outfall 39 septic tank effluent 39 MTPS 39 WPCP 39 digestor 39 Repowering Project 39 sewage 39 Packing Plant 39 Alcoa aluminum smelter 39 Napindan 39 untreated raw sewage 39 substation transformer 39 Naphtha Cracker 39 Croton Watershed 39 Dukovany 39 Bottling Plant 39 megawatt pulverized coal 39 Spiritwood Station 39 Lefferson Road 39 Kajauli 39 Intermodal Terminal 39 Nanticoke Ont 39 caustic wastewater 39 UV disinfection 39 Sewer Maintenance 39 pavement resurfacing 39 Tigum 39 Gomal Zam 39 backflow preventers 39 Shannopin 39 orthophosphate 39 PPL Susquehanna nuclear 39 Thermal Power Station 39 Waterfront Walkway 39 ponding basins 39 sanitary sewer manholes 39 Coleson Cove 39 Ballville Dam 39 CFB boiler 39 Ordnance Disposal 39 Scituate Reservoir 39 Moshannon Creek 39 wastewater effluent 39 untreated sewage spilled 39 OCWA 39 Weihe River 39 Dalecarlia 39 KVA transformer 39 GCWW 39 CoGen 39 Yan Oya 39 Munak 39 Boundary Dam 39 kv transmission line 39 MVA transformer 39 seawater desalination plant 39 sewage overflowed 39 raw sewage spilled 39 grinder pumps 39 Baakens River 39 weed harvester 39 wellfield 38 Longcommon 38 Tuojiang River 38 Sanitary sewer 38 Drainage Ditch 38 Congamond 38 Umiray 38 Drainage Improvement 38 muck dredged 38 Tongchuan City 38 Kinsley Construction 38 Alliston Aquifer 38 Quemahoning Pipeline 38 KV substation 38 Pepacton 38 Champlain Canal 38 Sanitary Sewer 38 trunklines 38 #MW hydroelectric 38 Pascack Brook 38 Ta Trach 38 ultraviolet UV disinfection 38 Journagan Construction 38 Superfund hazardous waste 38 Reclamation Facility 38 Endom Bridge 38 Horsehead Corp. 38 facility 38 Coralville Dam 38 Cernavoda plant 38 Deerwood Golf Course 38 Croton Reservoir 38 Road/I-# interchange 38 Lakeview Generating Station 38 interceptor sewer 38 Conemaugh River 38 sanitary sewer overflow 38 supercritical pulverized coal 38 Pequonnock River 38 sewer overflow 38 Sanitary Sewer District 38 steel girder bridge 38 bailey bridge 38 kilovolt kV transmission 38 hardwood sawmill 38 EfW facility 38 Hazardous Waste Facility 38 Wissahickon Creek 38 Argo Dam 38 Power Plant BNPP 38 Aberjona River 38 MVA substation 38 filter backwash 38 Lower Monumental 38 shallow tubewells 38 Bayou Verdine 38 Parnassus Triangle 38 Ebey Slough 38 Sanmen Nuclear Power 38 Powertrain Plant 38 resevoirs 38 Tajewala 38 Morton Jaffray 38 Substations 38 IGCC Integrated Gasification 38 Forensic Identification Unit 38 underdrain 38 aerated lagoon 38 Sewer Separation 38 cement kiln 38 Composting Facility 38 Standpipe 38 Evitts Creek 38 Breakneck Creek 38 Ginna Nuclear Power 38 Xiluodu 38 Tactical Response Unit 38 Headworks 38 Wastewater Treatment 38 interlockings 38 #/#th Field Artillery 38 digester tanks 38 Luilu 38 cogeneration plant 38 culvert replacements 38 Olin Chemical 38 Sanitary Sewer Project 38 Dresden Generating Station 38 TACOM Life Cycle 38 storm sewers 38 Majorsville 38 Plumtrees Road 38 Croton Dam 38 Thermoelectric Power 38 #,# MW Nathpa 38 BJWSA 38 kV transmission 38 Sewage Treatment Plants 38 MWRA rerouted 38 Dam 38 Goreway Station 38 Body Found Floating 38 Vopak Terminal 38 readymix concrete 38 switchyard 38 mega shredder 38 graving dock 38 contaminated soil 38 Lower Mattagami 38 gaseous diffusion plant 38 Sewage 38 Intertie 38 Tailings Dam 38 Gilboa Dam 38 MW hydro electric 38 MW Nathpa Jhakri 38 hydro cracker 38 Combined Cycle Gas Turbine 38 Spier Falls 38 Vestas V# [001] 38 Lake Oscawana 38 Farther upstream 38 compressor stations 38 retention basin 38 CSX railroad crossing 38 Bascule Bridge 38 Essroc 38 Oostanaula 38 desulfurization unit 38 Pretreatment Facility 38 Coral Graceton 38 Pulangi River 38 kV overhead 38 Drainage Basin 38 sewer manhole 38 Sauquoit Creek 38 recharge basins 38 DFC#A power 38 submersible pumps 38 hydroplant 38 Phividec Industrial Estate 37 Zero Liquid Discharge 37 Benteler Automotive 37 Cannonsville 37 perimeter intrusion detection 37 Watershed Restoration 37 Kiewit Offshore Services 37 Thermal Power Plant 37 unnamed tributary 37 kv transmission lines 37 Jinnah Barrage 37 Waterworks 37 anicut 37 Oradell Reservoir 37 desulphurization 37 Mactaquac dam 37 Cotter Gassville 37 Zijinshan Copper Mine 37 sluice gate 37 Bluestone Dam 37 sludge incinerator 37 Sewage spill 37 Hampton Roads Sanitation 37 Pellet Plant 37 WH Sammis 37 Stamping Plant 37 MWe pressurized water 37 Pond Dam 37 Compost Facility 37 Powhatan Point 37 polyethylene piping 37 Coleroon 37 megawatt MW wind turbines 37 kilovolt transmission 37 ductile iron pipes 37 backwater valves 37 Subdivison 37 combined sewer overflows 37 Sizewell Suffolk 37 Glenburn Pond 37 VVER reactors 37 membrane bioreactor 37 Natrium 37 Milltown Reservoir 37 Wyaralong Dam 37 Cheatham Dam 37 Trash bins 37 Grasse River 37 Gas Turbine Power 37 Lafarge cement 37 spilling raw sewage 37 Railport 37 Khadakwasla dam 37 demineralized water 37 lumbermill 37 borefield 37 contaminated groundwater 37 Zenon Environmental 37 Suralaya 37 forebay 37 megalitre dam 37 Collegeville Trappe 37 MGD SWRO 37 outfall canal 37 paperboard mill 37 Keephills 37 #MW hydro [001] 37 depot 37 Hatfield Ferry 37 Tonawanda Engine 37 Lahontan Dam 37 Nagda Madhya Pradesh 37 ETTP 37 combustion turbine generators 37 #.#MW turbines 37 Hydropower Project 37 Cheoah 37 Ethylene Plant 37 Cromby Generating Station 37 #.#MW wind turbines 37 Roachton Road 37 Meander Reservoir 37 Steam Turbine 37 Catskill Aqueduct 37 reactor coolant pumps 37 Hazardous Device 37 Interceptor Sewer 37 Brunsbüttel 37 megawatt mw 37 Pilot Plant 37 Hazardous Devices 37 Cooling Towers 37 #KVA [002] 37 Circulating Fluidized Bed 37 Electric Generating Station 37 streambank stabilization 37 Sewer Interceptor 37 Civic Amenity 37 Hydropower Station 37 Vinh Tan 37 bio digester 37 Vogtle Nuclear 37 RCWD 37 Wachusett Reservoir 37 Megawatt MW 37 Explosives Ordinance Disposal 37 CenterPoint Intermodal Center 37 Worker Electrocuted 37 Joint Sewer Authority 37 Watab 37 Ramtown section 37 HPAPI 37 Greenways Trail 37 rail sidings 37 catalytic cracking unit 37 Koppers Monessen Coke 37 Conemaugh Generating Station 37 Renuka Dam 37 sewer manholes 37 turbine generator sets 37 Mainz Kastel Germany 37 Mattabassett 37 ferrous chloride 37 coke oven 37 Passumpsic River 37 #.#MW solar [002] 37 Disposal EOD 37 Asphalt Plant 37 kV substations 37 Manhole covers 37 Hydroelectric Power Project 37 switchyards 37 River Hydroelectric Project 37 Conservancy EDWC 37 kw generator 37 sanitary sewers 37 auxiliary spillway 37 Emsworth Locks 37 Davis Besse plant 37 Cooling Tower 37 Oyster Creek reactor 37 ultra supercritical coal 37 Boat Launch 37 concrete batching plant 37 #Kv 37 garbage incinerators 37 Letart Falls 37 Diversion Dam 37 continuous annealing 37 Flue Gas Desulphurization 37 KV substations 37 Vaitarna 37 Dolet Hills 37 wood pellet mill 37 Lower Bicutan 37 Caeté 37 Woolen Mill 37 sluice channel 37 raw untreated sewage 37 trout hatchery 37 Poondi reservoir 37 Scotford upgrader 37 Swale Brook 37 thermal oxidizers 37 wet scrubber 37 Hydroelectric Facility 36 pumpouts 36 bottling plant 36 interceptor sewers 36 Seize Drugs 36 Yalong River 36 Narcotic Unit 36 kW wind turbine 36 Sayano Shushenskaya HPP 36 Flue Gas Desulfurization 36 Gasification Plant 36 Diversion Project 36 Coal Fired 36 Solid Waste Reduction 36 Transmission Plant 36 Taughannock Boulevard 36 Waste Dump 36 #kV substations 36 flexi cracker 36 Cheoah Dam 36 Scotford refinery 36 Alluvial Aquifer 36 Creek tributary 36 acre impoundment 36 Motiva refinery 36 megawatt solar photovoltaic 36 dredged sediments 36 corrugated metal pipe 36 Millstone Nuclear 36 Southern Seawater Desalination 36 wastewater pretreatment 36 hydroelectric dam 36 Diesel Generators 36 Milan Army Ammunition 36 Boat Ramp 36 rainwater catchments 36 Tinkers Creek 36 Demonstration Facility 36 Proffit Mountain 36 ocean outfall 36 Fuel Fabrication Facility 36 Millhaven 36 Connoquenessing Creek 36 Drainage Scheme 36 dam 36 concrete encasement 36 chlorine 36 Beaverdam Creek 36 dewatering 36 Water Filtration 36 Synthron Inc. 36 Generating Facility 36 microfiltration reverse osmosis 36 Decommission 36 Chlorination 36 Xiangjiaba 36 Wastewater Reclamation Authority 36 cogenerating 36 Sewer Improvement 36 Pubic Works 36 Area Commands 36 Beijiang 36 Manitowoc Public Utilities 36 coffer dam 36 LC Whitford 36 demineralised water 36 HPPs 36 megawatt supercritical 36 Libby adit 36 Severstal Wheeling 36 TVA Widows 36 Tohickon Creek 36 Chaobai River 36 Dump Site 36 Crossness 36 MVA transformers 36 Navigation Canal 36 BP Whiting Refinery 36 Deady Bridge 36 infiltration basins 36 Chemetco 36 underbridge 36 chlorination 36 Tianwan nuclear 36 reverse osmosis filtration 36 Muara Tawar 36 Lackawanna Railroad 36 Steam Turbine Generator 36 Lake Hydroelectric Plant 36 ash impoundment 36 Swanbank 36 Staion 36 SWRO 36 hydroelectric generating 36 Oyster Creek Generating Station 36 Kulekhani 36 Lal Pir 36 Combustion Turbine 36 Mississinewa River 36 Krishnapatnam ultra 36 Ashokan Reservoir 36 MW solar photovoltaic 36 sewage outfall pipe 36 Emergency Response Teams 36 Schoharie Creek 36 Hathnikund 36 Landis Sewerage Authority 36 RE Ginna 36 Lake Nagawicka 36 Grippen Park 36 unlined landfill 36 Godwin Pumps 36 Mountain Pumped Storage 36 Sequoyah Nuclear 36 #.#S [004] 36 Explosive Disposal Unit 36 m3/day 36 MW Pragati 36 MW Thermal Power 36 Musconetcong River 36 Bowmans Creek 36 Dai Ninh 36 spraypark 36 Yangjiang Nuclear Power 36 Sadsbury 36 stormwater infiltration 36 Veeranam lake 36 Loveland Madeira 36 hydroponics greenhouse 36 Explosives Ordnance 36 removing contaminated sediments 36 MMgy plant 36 #,# tpa polypropylene 36 Holcim Cement 36 biomass cogeneration plant 36 discharging untreated waste 36 Scotford Upgrader 36 Scajaquada Creek 36 Kaskaskia River 36 chlorinating 36 Route 9J 36 Kalgoorlie smelter 36 Copper Refinery 36 Recycling Facility 36 abuts raging rapids 36 Lake Mahinerangi 36 Comber Wind 36 shiploading 36 steam turbine generators 36 Orvilla Road 36 Mascaro Construction 36 Binga Dam 36 Tpke 36 pelletizing plant 36 Shihmen Dam 36 Fuel Spill 36 #MW biomass 36 Sewer Replacement 36 Hanson Aggregates 36 nonpotable water 36 Project Nears Completion 36 ditch swale 36 Canal Towpath 36 Youghiogheny rivers 36 Station BTPS 36 MW ultra supercritical 36 #,# tpa styrene 36 transload facility 36 #kv transmission line 36 Vogtle Electric 36 Mega Watt 36 Uong Bi 36 Crushed Stone 36 #,#,# TPA 36 Penllyn Pike 36 #.#kV [002] 36 Wastewater Utility 36 relining 36 Sewage overflows 36 oxidation ditches 36 Warrill Creek 36 Withers Swash 36 Blackwells Mills 36 landfill leachate 36 Surefil LLC 36 mega volt ampere 36 Stormwater drains 36 Messalonskee Stream 36 Mixed Oxide MOX 36 Chalk Bluff 36 dechlorinated 36 subsurface drainage 36 Fossil Plant 36 steam generator 36 trestle bridge 36 sewage lagoons 36 Conewago Creek 36 Alpine Paving 36 Ugum Water Treatment Plant 36 bloom caster 36 effluent discharge 36 spoolbase 36 Tallowa 36 CHPP 36 discharging polluted 36 Steam Plant 36 PVB resin 36 reservoirs 36 stormwater pipes 36 Gangaikondan 36 Hogtown Creek 36 Qutub Minar Gurgaon 35 Fishtrap Lake 35 Occidental Chemical 35 #,# tpa ethylene 35 bituminous surfacing 35 interchange ramps 35 LMDT 35 Randleman Dam 35 Hollow Reservoir 35 Multi Purpose Facility 35 AmerenUE Taum Sauk 35 mw captive 35 Precisionaire 35 stormwater filtration 35 Ammonia leak 35 Wainibuku 35 Chemical Spill 35 #x#MW 35 Saint Félicien Mill 35 SIU Concludes 35 Tiber Dam 35 watermain replacement 35 Botlek 35 Metal Stamping 35 turbine generator 35 Johnstown Redevelopment Authority 35 Upper Floridan Aquifer 35 headgates 35 Plant 35 Oldcastle Precast 35 Sanitary Authority 35 Wedron 35 Tampa Bay Seawater Desalination 35 stormwater pond 35 kV AC 35 Rawal Dam 35 Citico 35 Buckmaster Pond 35 Nathpa 35 trackbed 35 Agrico Chemical Co. 35 biomass cogeneration facility 35 Jamestown Verrazzano Bridge 35 railroad overpasses 35 DONNER LAKE 35 Nam Chien 35 untreated effluent 35 Scofieldtown 35 United Taconite 35 polluted waterway 35 Treatment Plants 35 Asbestos abatement 35 Pasig Marikina 35 Diking District 35 Tullahan River 35 Hanford vitrification plant 35 megawatt MW biomass 35 kt annum 35 fish hatchery 35 Pepacton Reservoir 35 PATH tunnels 35 Bhilai steel 35 silt laden 35 synfuels plant 35 installing scrubbers 35 Fabrication Facility 35 camps snubbing 35 Parkins Mill 35 desalinization plant 35 outfall pipe 35 toluene diisocyanate TDI 35 Desalting 35 LFGTE 35 Sewage spills 35 Kaiga Nuclear Power 35 Bowersock Dam 35 Owens Brockway 35 supercritical coal