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(Click for frequent words.) 63 tailings basin 62 phosphate ore 61 ore pellets 61 taconite pellet 60 tailings piles 58 gravel quarries 58 taconite pellets 58 taconite mining 58 radioactive thorium 58 iron sulphate 57 sulfide mining 57 bentonite clay 57 ferric chloride 57 radioactive tailings 57 polluted sediment 57 sludges 57 Ice Slicer 57 Contaminated soil 56 glass cullet 56 taconite 56 taconite mine 56 gob piles 56 bentonite 56 Magnetation 56 nitrates phosphates 56 Northshore Mining Co. 55 taconite plants 55 tailings 55 slag pile 55 tarlike 55 tailing piles 55 mine tailings 55 calcine 55 pentachlorophenol 55 naturally occurring minerals 55 uranium ores 55 zinc sulphide 55 frac sand 54 magnesium silicate 54 taconite plant 54 mill tailings 54 nahcolite 54 scoria 54 naturally occurring mineral 54 dredged sediment 54 pelletizing 54 hematite ore 54 nonferrous mining 54 calcium sulphate 54 pavement sealants 54 arsenic selenium 53 Iron Range taconite 53 evaporation ponds 53 Carbonyl 53 chromic acid 53 silica sand 53 limestone quarries 53 incinerator ash 53 NorthMet 53 zero valent 53 asphalt millings 53 dredged sediments 53 phosphate mines 53 anhydrite 53 tailings pile 53 quicklime 53 mineral ores 53 Keewatin Taconite 53 inorganic salts 53 leachates 53 cementitious materials 53 salt calcium chloride 53 flyash 53 calcium oxide 53 landfill leachate 53 manganese carbonate 53 swine manure 53 Potassium hydroxide 53 Minntac 53 uranium tailings 53 asphalt binder 52 Mesabi Iron Range 52 mag chloride 52 calcium sulfate 52 PolyMet copper 52 lime kiln dust 52 manganese dioxide 52 dredgings 52 hexavalent chrome 52 bituminous concrete 52 calcium carbonate limestone 52 unlined landfill 52 unlined trenches 52 silicate mineral 52 flotation concentrate 52 blast furnace slag 52 cyanide heap leaching 52 chemical deicers 52 silica fume 52 metakaolin 52 zinc indium 52 portland cement 52 PCBs polychlorinated biphenyls 52 potassium salts 52 polyaromatic hydrocarbons 52 inorganic contaminants 52 stabilized zirconia 52 wastewater lagoons 52 slag byproduct 52 LEE BLOOMQUIST covers 52 taconite mines 52 nitrogen phosphate potassium 52 clay loam 52 Bentonite 52 asphalts 52 tin alloy 52 zinc sulfide 52 bauxite ore 52 subsoils 51 drilling muds 51 Calcium chloride 51 element boron 51 calcined 51 desulfurization gypsum 51 ferrochromium 51 sulfide 51 aerobic digester 51 millings 51 phosphogypsum 51 Magnesium Chloride 51 chromium manganese 51 limerock 51 sodium sulphate 51 hydrous 51 hydrated lime 51 arsenic manganese 51 molten slag 51 bauxite residue 51 tailings dumps 51 Skytop Mountain 51 degreasing solvent 51 pyritic rocks 51 street sweepings 51 aluminum dross 51 United Taconite 51 sulfide ore 51 briquetting 51 petroleum byproducts 51 groundwaters 51 insolubles 51 Squaw Creek Mine 51 claylike 51 Vermiculite 51 tungsten alloys 51 cement kiln 51 magnesium hydroxide 51 sulfide ores 51 silver doré 51 iron nugget 51 naturally occurring radium 51 silica alumina 51 neutralized VX 51 Sewage sludge 51 hazardous waste landfills 51 silicate rocks 51 biosolid waste 51 pulverizer 51 ferrous chloride 51 Bogoso oxide 51 muck dredged 51 nonhazardous waste 51 wollastonite 50 halite 50 pyrites 50 radioactively contaminated 50 gravel 50 Muriatic acid 50 settling ponds 50 fly ash 50 chlorides 50 dust suppressant 50 pelletization 50 calcination 50 sediment ponds 50 contaminated soils 50 Northshore Mining 50 copper ores 50 taconite iron ore 50 cyanides 50 elemental phosphorus 50 gypsum byproduct 50 silica 50 sulphide concentrate 50 Martin Marietta Aggregates 50 storage casks 50 toxins leaching 50 pumpable 50 synthetic gypsum 50 sedimentation ponds 50 Colihues 50 granulated slag 50 hydrochloric acid HCl 50 etchant 50 asphalt emulsion 50 EAFD 50 sugar beet pulp 50 ore 50 arsenic chromium 50 contaminents 50 finely powdered 50 chlorine bleaching 50 chloride salts 50 Sodium silicate 50 silts 50 activated carbons 50 flocculants 50 diamond bearing gravels 50 gob pile 50 briquetted 50 Leaching 50 contaminate aquifers 50 Kennecott Minerals Co. 50 rotary hearth furnace 50 barium sulfate 50 sealcoat 50 kiln dust 50 chromium nickel 50 karst geology 50 cyanide arsenic 50 calcium fluoride 50 Keetac 50 cyclohexane 50 lignite coal 50 subbituminous coal 50 gold silver dore 50 Calcium carbonate 50 Alliston Aquifer 50 hydrometallurgical processing 50 tungsten ore 50 mined gypsum 50 flowable fill 50 laterites 50 sulfer 50 Activated carbon 50 Minntac Mine 50 gangue minerals 50 dredged silt 50 bitumen tar 50 Keewatin Minn. 50 liquid calcium chloride 50 transuranic wastes 50 Keetac iron ore 50 dolomitic limestone 49 leachability 49 raffinate 49 finely crushed 49 montmorillonite 49 arsenate 49 corrosive salts 49 tailings dams 49 leaching toxins 49 magnesium alloys 49 resists corrosion 49 froth flotation 49 slimes dam 49 Taconite Harbor 49 iron oxides 49 ferromanganese 49 polyaromatic hydrocarbons PAHs 49 Cow manure 49 thin stillage 49 limestone boulders 49 diatomite 49 pearlite 49 sediment dredged 49 potash KCl 49 microfossil 49 sediment 49 xylenes 49 PET flake 49 magnetite ore 49 arsenic contaminated 49 TCE trichlorethylene 49 unlined pits 49 noncorrosive 49 phosphogypsum stacks 49 chlorinated solvent 49 manganese ores 49 UG2 ore 49 Sulfuric acid 49 hazardous waste dump 49 resin pellets 49 cement kiln dust 49 crushed limestone 49 Methane hydrate 49 ROM ore 49 permanganate 49 natural flake graphite 49 Gogebic Taconite 49 contaminated soil 49 chemical de icers 49 metallic ions 49 solvent vapors 49 nonmetallic minerals 49 liquid magnesium chloride 49 discharger 49 flotation concentrates 49 shredder residue 49 dichromate 49 mined ores 49 nickel laterite ore 49 ironsand 49 Taconite 49 benzene arsenic 49 biomasses 49 suction dredges 49 solvent extraction electrowinning 49 Calcium Carbonate 49 trona 49 Milltown Reservoir 49 uranium dioxide 49 titanium zirconium 49 neptunium 49 calcium carbonates 49 gangue 49 underground coal seams 49 Tapuli Stora Sahavaara 49 carbonaceous material 49 hydrated silica 49 phosphorous fertilizers 49 Sodium cyanide 49 sugar cane bagasse 49 sub bituminous coal 49 anomalous arsenic antimony 49 PCB contaminated sediments 48 loam soil 48 perfluorochemicals 48 Kaunisvaara 48 pelletized 48 halogenated compounds 48 magnesium carbonate 48 Tailings 48 sulfide deposits 48 nepheline 48 EAF dust 48 electrowinning 48 Magnesium chloride 48 flocculant 48 flotation tailings 48 fracing fluids 48 chromium plating 48 woodwaste 48 vanadium ore 48 digestors 48 nickel manganese 48 tarry substance 48 wood preservatives 48 stillage 48 lithium boron 48 residual leaching 48 pyritic rock 48 supergene ore 48 trichloroethane 48 silicate minerals 48 asphaltenes 48 hydrofluoric acid 48 pelletizer 48 mercury selenium 48 iron manganese 48 Proppant 48 slag cement 48 Berea sandstone 48 columbium 48 bitumens 48 manganese 48 aluminosilicate 48 dust suppressants 48 hazelnut shells 48 arsenic mercury 48 resorcinol 48 pulper 48 cellulose hemicellulose 48 mineable ore 48 asphalt emulsions 48 ladle metallurgy 48 hydroxide 48 chemically processed 48 granulate 48 disused mines 48 iron ores 48 rotary kiln 48 sodium carbonate 48 beneficiating 48 oilsand 48 sinter feed 48 fluorspar 48 prill 48 sand silt 48 ores mined 48 shale sedimentary 48 unrecycled 48 LLRW 48 Puna Pau 48 Polymet 48 ores 48 iron sulfate 48 chlorate 48 radioactive sludge 48 geotextile fabric 48 perfluorochemicals PFCs 48 sulfur bituminous coal 48 topsoils 48 pediment gravels 48 humic 48 Contaminated groundwater 48 Hydrometallurgical 48 bastnaesite 48 Geomelt 48 brine 48 revegetating 48 heap leach pads 48 shredder fluff 48 creosote soaked 48 Floridian aquifer 48 leaching 48 culm 48 asbestos contaminated vermiculite 48 emulsified asphalt 48 diatomaceous earth 48 fecal chloroform 48 soluble salts 48 orthophosphate 48 agglomerating 48 amphibole asbestos 48 flake graphite 48 taconite dust 48 perchloric acid 48 fracturing fluids 48 phosphorus fertilizers 48 dredge spoil 48 vermiculite ore 48 titanium vanadium 48 deicing salt 48 crystallizer 48 sludge 48 Niobium 48 pillow lavas 48 Dredged 48 hydroxides 48 zircon rutile 48 oxidized ore 48 quarries 48 potassium sulfate 48 hydrometallurgy 48 H#SO# 48 Leachate 48 glacial acetic acid 48 titanium tetrachloride 48 ferric sulphate 48 contaminating groundwater 48 nickel vanadium 48 sinter ore 48 boiled linseed oil 48 Biodegradable plastics 47 dolomitic lime 47 unlined landfills 47 coal petroleum coke 47 calcium magnesium acetate 47 nonmetallic mineral 47 groundwater seepage 47 fermentation broth 47 Tontitown landfill 47 glauconite 47 JM Reef 47 amosite 47 corrosives 47 paleochannel 47 Tanker spills 47 ferrous metal 47 molybdenum sulphide 47 carbides 47 ultrafiltration membrane 47 phosphates nitrates 47 calcareous soils 47 Knelson concentrator 47 pothole filler 47 tar sands bitumen 47 fluorotelomer 47 Carbonaceous 47 asphalt pavement 47 Soudan Underground Laboratory 47 inorganic compounds 47 acid chloride 47 metalliferous 47 refractory ore 47 laterite ores 47 Nitric acid 47 crystalline silica 47 Electric Arc Furnace 47 tire crumb 47 anorthosite 47 Overburden 47 leachable 47 tailing ponds 47 limestone 47 Soudan mine 47 nickel chromium 47 barbecue briquettes 47 sawdust shavings 47 cadmium arsenic 47 copper sulphide 47 tailings deposition 47 cyanide leaching 47 metallurgically 47 loam soils 47 titanium oxides 47 cementitious 47 Killdeer Mountains 47 sodium sulfate 47 Sediments 47 nitrate fertilizer 47 trichloroethene 47 acid sulphate 47 biphenyls PCBs 47 polymetallic ores 47 cyanide heap leach 47 gasify coal 47 Sulphates 47 tailing impoundment 47 Bayou Verdine 47 Southland lignite 47 kiln dried lumber 47 hardeners 47 peat moss vermiculite 47 sodium borate 47 copper molybdenum silver 47 sulfate concentrations 47 geopolymer 47 wet scrubber 47 sandstone boulders 47 potassium permanganate 47 granulates 47 unmineable 47 sediments 47 silicic acid 47 chromated copper arsenate CCA 47 digestor 47 dedusting 47 cobalt 47 graphitic carbon 47 Anamax 47 roadbeds 47 sandstone quarry 47 sodium sulfide 47 stoker coal 47 kyanite 47 Alluvial Aquifer 47 sub bituminous coals 47 oilsands extraction 47 gold bearing gravels 47 dissolver 47 Palos Verdes Shelf 47 polymetallic ore 47 mineralogical characterization 47 dry distillers grain 47 pollute waterways 47 oxide ores 47 sodium aluminate 47 tetrachloride 47 organo 47 sedimentation basin 47 boron trifluoride 47 sulfuric acids 47 sugar beet molasses 47 nitrogen NOx emissions 47 tailings impoundments 47 millsite 47 Sulphuric acid 47 Shootaring Canyon Mill 47 hematite iron ore 47 nickel sulfide 47 sodium acetate 47 oils solvents 47 lakebed sediments 47 nickel ores 47 coal tars 47 molybdenum trioxide 47 crumb rubber infill 47 agglomerates 47 pomace 47 Wenck Associates 47 smelting 47 gravel pits 47 sphagnum peat 47 antimony arsenic 47 sulphide ore 47 Effluents 47 manganese oxides 47 metals 47 ferrous oxide 46 impoundment ponds 46 sulfur coals 46 oily wastes 46 acid leaching 46 Kuan Yin Taiwan 46 superalloy 46 carbonaceous shale 46 manganese cobalt 46 Frac Sand 46 zinc sulphides 46 phosphorus pollution 46 baghouse dust 46 lump ores 46 polynuclear aromatic hydrocarbons 46 sodium hydrosulfite 46 navigational dredging 46 sewage effluent 46 quartz sand 46 polluted groundwater 46 grade fluorspar 46 lateritic 46 nitrogen potassium 46 slag 46 recyclable plastics 46 adipic acid 46 arsenic barium 46 sulphates 46 leach CIL 46 polybutadiene rubber 46 sulfur trioxide 46 Erionite 46 ferrous sulphate 46 putrescible waste 46 supercalendered paper 46 degassed 46 automotive catalytic converters 46 potash SOP 46 crystalline solids 46 tailing dumps 46 sodium bromide 46 naturally occurring fluoride 46 washwater 46 Hoyt Lakes 46 tarry bitumen 46 asphalt roofing shingles 46 bearing stratigraphy 46 copper nickel 46 nitrate nitrogen 46 coarse sand 46 Chelation removes heavy 46 Pend Oreille Mine 46 monofill 46 sunflower hulls 46 Hexavalent chromium 46 PCB polychlorinated biphenyls 46 Laterite 46 sandy loams 46 absorbents 46 salts 46 sulphate 46 sludge dewatering 46 cashew nut shells 46 infinite recyclability 46 slurried 46 Geotextile 46 beneficially reused 46 zeolites 46 oilsands tailings 46 tailings thickener 46 glacial till 46 transuranic elements 46 Wodgina mine 46 soda ash 46 cobalt hydroxide 46 fluorochemicals 46 powder detergents 46 amorphous silica 46 fracturing fluid 46 bearing sulphides 46 Chrysotile 46 economically exploitable 46 Geotube 46 fibrous mineral 46 magnesium salts 46 lanthanum neodymium 46 polluting groundwater 46 dioxin concentrations 46 sulfur sub bituminous 46 silt laden 46 mineral apatite 46 Soda ash 46 bituminous coals 46 caustic wastewater 46 sandstone limestone 46 arsenide 46 polluted soils 46 arsenic benzene 46 cryogenic rubber 46 barium chloride 46 karst terrain 46 polystyrene Styrofoam 46 bitumen 46 byproducts 46 saline formations 46 volcanic cinders 46 cadmium selenium 46 digester tanks 46 blufflands 46 barium arsenic 46 elemental sulfur 46 iron sulphides 46 Bituminous 46 borate 46 tungsten molybdenum tin 46 manganese chromium 46 citrus peels 46 biogases 46 meteorite fragments 46 methyl ethyl ketone MEK 46 salty brine 46 tremolite 46 Athabasca watershed 46 basalt formations 46 manganese zinc 46 railroad crossties 46 situ leach mining 46 pesticides herbicides fertilizers 46 situ leach uranium 46 metamorphic rock 46 ammonia nitrogen 46 friable asbestos 46 perfluorinated chemicals 46 chlorine ammonia 46 proppants 46 ArcelorMittal Minorca Mine 46 silver dore 46 polychlorinated biphenyl 46 mildly radioactive 46 geomembrane 46 sediments deposited 46 flax straw 46 Domestically TexCom disposes 46 shredded pine bark 46 atmospheric deposition 46 ferric sulfate 46 Kulu copper 46 chromite ore 46 Sediment 46 reclaimer 46 agriculturally derived 46 dissolved salts 46 insitu 46 polyethylene pipe 46 sulphide flotation 46 heap leaching 46 lithium oxide 46 calcined kaolin 46 Backdale 46 metallic minerals 46 hydraulic dredge 46 Galvanized steel 46 oily globs 46 electrolytically 46 tailing pond 46 colluvium 46 Stora Sahavaara magnetite 46 ore beneficiation 46 vinegar acetic acid 46 methyl ethyl 46 volcanic basalt 46 Rumpke landfill 46 uncompacted 46 ExtrEL 46 niobium oxide 46 La Parrilla mill 46 farmyard manure 46 sodium methylate 46 PCBs dioxins 45 Junked cars 45 ammonium chloride 45 vat leaching 45 Titanium sponge 45 scheelite 45 sulfate 45 crumb rubber 45 forest thinnings 45 stormwater overflows 45 amphibole 45 asphault 45 pyrochlore 45 flotation circuits 45 dredge spoils 45 demineralised water 45 Duluth Missabe 45 Fe Mn 45 austenitic grades 45 Iron Range Railway 45 molybdenum bismuth 45 wastewater sludge 45 Cantung 45 chlorinated solvents 45 #,#,# trichloroethane 45 Homestake mine 45 coal tar 45 Fluorspar 45 adsorbents 45 inorganic substances 45 pore spaces 45 porous sandstone 45 naturally occurring micro organisms 45 Sodium chloride 45 carbon nanofibres 45 Zonolite insulation 45 gravels 45 minerals 45 preg robbing 45 chlorine caustic soda 45 bituminous surfacing 45 defoamers 45 austenitic stainless steels 45 bauxites 45 pelletizing plant 45 biotite rich 45 mega shredder 45 gooey bitumen 45 cesium formate 45 contaminated sediments 45 potassium acetate 45 earths crust 45 arsenic cadmium mercury 45 geo textile 45 pollute rivers 45 Treated sewage 45 uranium vanadium 45 fracking wastewater 45 Silicates 45 windblown sand 45 glacial silt 45 Horne Smelter 45 slurries 45 polluting waterways 45 supergene mineralization 45 nonhazardous wastes 45 titanium pigment 45 cement clinker 45 hydrofluoric acid HF 45 Malpaso Mill 45 aeration tanks 45 pyrometallurgical 45 rock crusher 45 liquid de icer 45 denaturant 45 freshwater aquifers 45 Radioactive waste 45 poisonous weeds 45 ferric oxide 45 ice melters 45 diamondiferous gravels 45 Shieldalloy 45 fine grained sediment 45 glass frit 45 oxide particles 45 sludge lagoons 45 viscous liquids 45 situ leaching 45 Brackish water 45 potassium sulphate 45 drying kiln 45 oilsands bitumen 45 tainted vermiculite 45 Ferric 45 dolomite lime 45 slag wool 45 Rhenium 45 microsurfacing 45 Sulfuric 45 remelted 45 harmful byproducts 45 tuffaceous rocks 45 apatite 45 calcium carbonate CaCO3 45 Pervious concrete 45 mercury arsenic 45 nepheline syenite 45 peat moss perlite 45 Bayovar 45 sodium magnesium 45 crushed oyster shells 45 clay loam soil 45 calcined alumina 45 Polycyclic aromatic hydrocarbons 45 alloying agent 45 dilute sulfuric acid 45 liquid de icers 45 Southdown magnetite 45 Ag Pb 45 recycleables 45 arsenic cyanide 45 soils 45 frost heaved 45 colorless crystalline 45 limestone quarry 45 vinyl chloride monomer 45 kaolin clay 45 ethane extraction 45 anaerobic decomposition 45 volcanic tuffs 45 perlite 45 torrefied wood 45 charcoal filters 45 deep saline aquifers 45 quarry 45 dewater 45 arsenic boron 45 butyl acetate 45 overburden stripping 45 suspected carcinogen 45 electric arc furnaces 45 tributary streams 45 gasifying coal 45 vanadium titanium 45 mineral salts 45 titanomagnetite 45 Goderich Ontario 45 trichloroethene TCE 45 calcining 45 stibnite 45 reductant 45 airborne particulates 45 CaCO 3 45 Chert 45 manganese sulphate 45 seabed sediments 45 evaporite 45 Phosphoric acid 45 poisonous hydrogen sulphide 45 Nickel laterite 45 upflow 45 hydrometallurgical extraction 45 culm banks 45 Potash SOP 45 cadmium chromium 45 granite bedrock 45 plastics elastomers 45 nitrate salts 45 open hearth furnaces 45 spreader sticker 45 beet juice mixture 45 asphaltene 45 carbonaceous 45 de nitrification 45 chalcogenides 45 phosphate fertilizer 45 metalloid 45 ilmenite rutile 45 aluminum gallium indium 45 nitrogen phosphates 45 expose coal seams 45 fluidised 45 molecular sieve 45 biphenyl 45 Kennecott Eagle nickel 45 sulfuric acid 45 limestone dolomite 45 cobalt nickel 45 asphalt 45 feedlot manure 45 micro surfacing 45 nanoclays 45 Lake Iliamna 45 Skippack Creek 45 zinc manganese 45 scrubber sludge 45 naturally occurring arsenic 45 phyllosilicate 45 putrescible 45 limestone bedrock 45 halides 45 Lake Zumbro 45 sodic 45 minable 45 dioxin laced 45 sodium perchlorate 45 Millertown 45 Sodium fluoride 45 cargo sweepings 45 pyroclastic material 45 silicas 45 cullet 45 dolomite limestone 45 dissolved solids 45 lithium chemistries 45 zinc smelting 45 laterite ore 45 uranium tetrafluoride 45 Vinyl chloride 45 thiosulfate 45 contaminates groundwater 45 calcium silicate