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(Click for frequent words.) 76 arsenic cadmium chromium 74 chromium nickel 73 chromium cadmium 73 cadmium chromium 73 arsenic benzene 72 arsenic selenium 71 chromium arsenic 71 cadmium barium 71 manganese zinc 70 trichloroethene TCE 70 arsenic cadmium mercury 70 cadmium arsenic 70 arsenic cadmium copper 70 cyanide arsenic 69 antimony arsenic 69 mercury arsenic cadmium 69 arsenic manganese 69 arsenic barium 68 tetrachloroethene 68 arsenic beryllium 68 arsenic mercury 68 cadmium chromium copper 68 TCE trichlorethylene 68 chromium mercury 68 tetrachloroethene PCE 67 mercury arsenic 67 polynuclear aromatic hydrocarbons 67 polyaromatic hydrocarbons 67 barium arsenic 67 chromium manganese 67 benzene toluene xylene 67 nickel zinc 66 plutonium americium 66 benzene arsenic 66 aquatic toxicity 66 barium cadmium 66 manganese chromium 66 barium chromium 65 PCBs pesticides 65 dioxins furans 65 benzene ethylbenzene 65 arsenic boron 65 cadmium selenium 65 hydroxides 65 Hexavalent chromium 65 iron manganese 65 arsenic cobalt 65 PCBs polychlorinated biphenyls 65 mercury chromium 65 biphenyls PCBs 64 Sodium cyanide 64 heptachlor 64 colorless odorless radioactive 64 arsenic antimony mercury 64 mercury selenium 64 zero valent 64 carcinogenic byproducts 64 arsenic antimony 64 asbestosis lung cancer 64 arsenic bismuth 64 sulfur oxides nitrogen oxides 64 amphibole 64 trichloroethane 64 mercury cadmium 64 cadmium cobalt 64 pathfinder element 63 zinc cadmium 63 arsenic cadmium 63 cadmium hexavalent chromium 63 beryllium cadmium 63 magnesium selenium 63 benzene toluene ethylbenzene 63 carbon disulfide 63 dichloroethane 63 zinc indium 63 crystalline silica 63 phosphorus magnesium 63 DDT dieldrin 63 cited krypton strontium 63 polybrominated 63 particulate matter nitrogen oxides 63 Nitrogen oxide 63 mercury arsenic chromium 63 chromium VI 62 nickel vanadium 62 polychlorinated biphenyl PCB 62 pentachlorophenol 62 carcinogenic polycyclic aromatic hydrocarbons 62 Elevated concentrations 62 inorganic contaminants 62 Tetrachloroethylene 62 selenium tellurium 62 trichloroethene 62 arsenic radium 62 flammable corrosive 62 indium gallium 62 PCBs dioxin 62 biphenyls 62 resorcinol 62 sulfuric acid caustic soda 62 DDT PCBs 62 tellurium selenium iridium 62 toluene benzene 62 ozone particulate matter 62 Kulu copper 62 Chlordane 62 anthracene 62 nickel matte electrolytic 62 sodium magnesium 62 niobium oxides vanadium 62 barium chloride 62 arsenide 62 cyanides 62 amosite 62 chromic acid 61 gallium indium 61 inorganic salts 61 Chromium VI 61 Hydrogen sulfide 61 cadmium Cd 61 nickel chromium 61 organochlorines 61 Vinyl chloride 61 #,#,# trichloroethane 61 PCBs DDT 61 mercury chromium cadmium 61 solvents pesticides 61 soft whitish 61 uranophane 61 teletherapy sources 61 Sulfates 61 anomalous arsenic antimony 61 PAHs polycyclic aromatic hydrocarbons 61 Volatile organic compounds 61 silica alumina 61 copper cobalt nickel 61 tremolite 61 nitrates phosphates 61 tetrachlorethylene PCE 61 mercury dioxins 61 tantalum niobium beryllium tungsten 61 benzo pyrene 61 Hexavalent Chromium 61 Acrolein 61 barium strontium 61 particulate matter PM#.# 61 pentoxide 61 formaldehyde benzene 61 arsenic cyanide 61 benzene toluene 61 benzenes 61 dichloroethylene 60 sodium sulfide 60 allergens irritants 60 dichromate 60 hexachlorobenzene 60 Study Tanning beds 60 hormone disrupter 60 pyrite marcasite 60 dichloroethene 60 Sodium silicate 60 crystalline silica dust 60 degreasing solvent 60 Sulfate 60 Elemental mercury 60 cadmium mercury 60 lithium boron 60 naturally occurring mineral 60 Fecal coliform 60 PCBs dioxins 60 polycyclic aromatic hydrocarbons PAH 60 dichloroethene DCE 60 Carbonyl 60 phosphide 60 antimony trioxide 60 Ethylbenzene 60 TCE PCE 60 industrial degreaser 60 manganese molybdenum 60 orpiment 60 biphenyl 60 naturally occurring radioactive 60 polychlorinated vinyls 60 particulate matter soot 60 titanium zirconium 60 potassium phosphorus 60 potash alumina 60 pavement sealants 60 silicate mineral 60 zinc sulfide 59 groundwater contaminant 59 pyrene 59 chalcopyrite copper 59 tetroxide 59 oxide nanoparticles 59 Chelation removes heavy 59 Hydroxide 59 Polybrominated 59 trioxide 59 hydrogen chloride HCl 59 Volatile Organic Compounds VOCs 59 perfluorinated compounds 59 polyester resins alkyd resins 59 chromium polybrominated biphenyl PBB 59 lead cadmium arsenic 59 Heme iron 59 polybrominated diphenyl ether 59 Potassium hydroxide 59 crocidolite 59 Inorganic arsenic 59 tributyl tin 59 gallium germanium 59 benzyl 59 tremolite asbestos 59 tetrachlorethylene 59 #,# dichloroethane 59 perfluorooctane 59 chlorinated solvents 59 endrin 59 molybdenum vanadium 59 magmatic massive sulphides 59 cobalt sulphates 59 PVC phthalates 59 benzene formaldehyde 59 polychlorinated 59 hydrochloric acids 59 sulfur dioxide SO2 nitrogen 59 chromated 59 trihalomethanes THMs 59 bioaccumulative 59 polybrominated diphenyl ether PBDE 59 methyl tert butyl ether 59 PCBs mercury 59 Sulfur dioxide 59 benzoates 59 dioxin PCBs 59 chalcopyrite bornite 59 bismuth Bi 59 nitric acids 59 Dimethyl 59 Polychlorinated biphenyls 59 lutetium plus yttrium 59 ferrous alloys 59 containing denture cream 59 benzopyrene 59 #,# dichlorobenzene 59 nitrogenous compounds 59 polycyclic aromatic hydrocarbon 59 trivalent chromium 59 slag byproduct 59 Polycyclic aromatic hydrocarbons 59 BPA phthalates 59 iron sulfide 59 corrosives 59 iron calcium magnesium 58 pentachlorophenol PCP 58 desulfurization gypsum 58 cerium lanthanum 58 molybdenum bismuth 58 Ethylene oxide 58 Silbak Premier Mine 58 toxic pollutant 58 zinc concentrates purchased 58 magnesium zinc 58 kaolin bauxite alumina 58 organotins 58 cobalt rhodium silver 58 metal degreasing 58 Sodium dichromate 58 2 butoxyethanol 58 tin tantalum 58 carbon tetrachloride 58 Nitric acid 58 breccias containing 58 cherty 58 chlorobenzene 58 manganese potassium 58 lanthanum neodymium 58 persistent bio accumulative 58 diopside 58 pegmatite hosted 58 radiological contaminants 58 hazardous solvents 58 diphenyl ethers 58 phosphorous potassium 58 toxaphene 58 acids solvents 58 cadmium mercury hexavalent 58 aromatic hydrocarbons 58 pesticides chlorpyrifos 58 magnesium hydroxide 58 carbon monoxide sulfur dioxide 58 diethyl 58 suspected carcinogen 58 tungsten alloys 58 tantalum Ta 58 sulfosalts 58 chlorinated hydrocarbon 58 thallium toxic 58 hydrogen chloride 58 carbonyls 58 respiratory irritant 58 lithium carbonate lithium hydroxide 58 mercury PCBs 58 vanadium molybdenum 58 Chlorinated 58 PGEs 58 neodymium Nd 58 cobalt nickel 58 sulfur dioxide carbon monoxide 58 pyrophyllite 58 rotten egg smelling 58 fluorimetry partial digestion 58 polychlorinated biphenyl 58 tungsten tin 58 tin alloy 58 hydrothermal magnetite 58 phosphogypsum 58 Methyl mercury 58 Carbon monoxide CO 58 plastics detergents 58 lithium tantalum 58 dichlorobenzene 58 copper sulphides 58 aluminosilicate clay 58 Dysprosium Dy 58 leachability 58 magnesium silicate 58 copper sulfides 57 PFCAs 57 soluble salts 57 Hydrogen Sulfide H2S 57 amphibole asbestos 57 VOC Volatile Organic Compounds 57 phosphine 57 Trichloroethylene 57 Ferric 57 alpha emitters 57 Polychlorinated biphenyls PCBs 57 radioactive thorium 57 Aflatoxins 57 Radon naturally occurring 57 silver indium 57 Hot dip galvanizing 57 chromium alloy 57 dichloro 57 stockwork veins 57 aromatic amines 57 chlorinated pesticides 57 degreasing agent 57 reproductive toxicants 57 carbon monoxide nitrogen oxides 57 pyrites 57 pesticides solvents 57 Cladosporium 57 mold fungi 57 nanosized particles 57 combustion byproducts 57 elements europium 57 perfluorochemicals PFCs 57 sludges 57 zinc cobalt 57 chrome diopsides 57 phosphorite 57 nitrogen dioxide sulfur dioxide 57 Phosphide 57 chlorinated compounds 57 potassium carbonate 57 Ammonium 57 nitrogen oxides carbon monoxide 57 chromium vanadium 57 chlorine bromine 57 selenium zinc 57 Phenols 57 pyrite arsenopyrite 57 manganese cobalt 57 pthalates 57 chloromethane 57 manganese oxides 57 KINSHASA Congo Fabulous 57 dichloromethane 57 inorganic compounds 57 disinfection byproducts 57 hydrochloric acid HCl 57 Domoic acid neurotoxin 57 tungstate 57 chrome diopside 57 perfluorooctane sulfonate PFOS 57 vinyl chloride monomer 57 copper bauxite kaolin 57 carbonyl sulfide 57 Methylene Chloride 57 colorless flammable 57 chalcopyrite chalcocite 57 Rhenium 57 titanium vanadium 57 Polycyclic Aromatic Hydrocarbons 57 copper molybdenum zinc 57 arsenic 57 benzene carcinogen 57 ferrous sulphate 57 Polychlorinated Biphenyls 57 diisocyanate 57 naturally occurring radium 57 actinolite 57 atmospheric deposition 57 pyroxene 57 Phthalate 57 lung irritant 57 permanganate chemical 57 toluene xylene 57 microcystins 57 Ilmenite 57 Hydrogen Sulfide 57 platinum palladium nickel 57 silica fume 57 Polybrominated diphenyl ethers 57 barium carbonate 57 sulfur dioxide nitrous oxide 57 propylene ethylene 57 airborne pollutant 57 cellulose hemicellulose 57 benzene xylene 57 parathion 57 Sodium fluoride 57 contrast chlorine disinfection 57 #,# butadiene 57 toxicants 57 industrial solvent trichlorethylene 57 ozone nitrogen oxides 56 alunite 56 hexavalent chromium polybrominated biphenyls 56 organic frameworks MOFs 56 niobium tantalum 56 ozone particulates 56 copper cobalt platinum 56 humic 56 para dichlorobenzene 56 hydrocarbons carbon monoxide 56 superalloys coating materials 56 methyl ethyl ketone 56 chromate 56 chlordane 56 perchloric acid 56 Phosphine 56 tuffaceous rocks 56 polychlorinated PCBs 56 zinc ores 56 ammonium perfluorooctanoate 56 refines selenium 56 hydroxide 56 La Parrilla mill 56 furans 56 magnesium stearate 56 manganese 56 mimics estrogen 56 carbon monoxide particulate matter 56 Kuan Yin Taiwan 56 reductant 56 methane nitrous oxide hydrofluorocarbons 56 potent carcinogen 56 sphalerite zinc 56 hydrogen sulfide sulfuric acid 56 carcinogens mutagens 56 copper sulfide 56 drywall emits 56 galena pyrite 56 pathfinder elements 56 Nariin Sukhait 56 Ethylene glycol 56 magnesium carbonate 56 organophosphorous 56 ilmenite rutile 56 Zeolites 56 radionuclide detection 56 aflatoxin B1 56 phosphates nitrates 56 TBBPA 56 sodium sulfate 56 epidote 56 titanium oxides 56 wollastonite 56 haloacetic acids 56 sulfide minerals 56 oversulfated chondroitin sulfate OSCS 56 hydrocyanic acid 56 zinc Zn 56 Halogenated 56 smithsonite 56 tellurides 56 manganese magnesium 56 sulfur trioxide 56 Thoroughly cooking eggs 56 dental amalgam fillings 56 Mercaptan 56 Nitrosamines 56 lepidolite 56 nickel cobalt copper 56 liquid chlorine hydrochloric 56 scandium yttrium 56 ATP adenosine 56 bactericide 56 sodium potassium calcium 56 carcinogenic substance 56 #,# DCB 56 polychlorinated biphenyls PCBs 56 dietary fiber vitamins 56 phosphate ester 56 calcium magnesium potassium 56 g/m3 56 quaternary ammonium compounds 56 Polluted runoff 56 chrysocolla 56 subsurface soils 56 calcium sulphate 56 ethyl benzene 56 formaldehyde carcinogen 56 xylenes 56 anomalous concentrations 56 bromine compounds 56 g t rhenium 56 leaching toxins 56 Airplanes sprayed 56 germanium antimony 56 olivines 56 bornite chalcopyrite 56 sapphire bracelets 56 deicing fluids propylene glycol 56 alkaline leaching 56 acids alkalis 56 spokeswoman Tisha Petteway 56 soils sediments 56 produce zinc calcine 56 silicate minerals 56 Muriatic acid 56 mirex 56 Trihalomethanes 55 chlorinated hydrocarbons 55 Geochemical analyzes 55 potassium magnesium calcium 55 nitrogen oxides particulate matter 55 perfluorooctanoic acid PFOA 55 zinc selenium 55 Sulphur dioxide 55 alpha pinene 55 Anomalous values 55 palladium rhodium 55 solvent TCE 55 allyl alcohol 55 fibrous mineral 55 sodium perchlorate 55 irritate airways 55 amalgam dental fillings 55 Dispersants contain 55 paints solvents pesticides 55 chromites 55 electrolytes sodium potassium 55 fragrances dyes 55 silver arsenic antimony 55 Sodium hydroxide 55 sulfide deposits 55 radium naturally occurring 55 Sodium Potassium 55 transite 55 metres@#.# % [002] 55 silica carbonate 55 iron sulphides 55 cerium Ce 55 including monolithic refractories 55 chemical malachite green 55 orthophosphate 55 chloride salts 55 Hazardous substances 55 Propionate 55 pollutes waterways 55 nickel tin 55 swallowing radioactive iodine 55 Huajoto Gold Silver 55 corrodes pipes 55 silicon tetrafluoride 55 Inhaling asbestos fibers 55 polybrominated diphenyl ethers PBDEs 55 Carbonaceous 55 Perchlorate contamination 55 #,# propanediol PDO 55 niobium oxide 55 methyl chloride 55 #ppm molybdenum [002] 55 Monazite 55 hematite goethite 55 Carbofuran 55 chromium titanium 55 organotin 55 ethoxylates 55 unburned hydrocarbons carbon monoxide 55 Nitrogen oxides 55 magnesium manganese 55 carboxymethyl cellulose 55 sodium sulfite 55 #,#,#,# p 55 Darinaparsin 55 yttrium Y 55 ethyl acrylate 55 Dechlorane Plus 55 manganese oxide 55 Serum phosphorus 55 halides 55 nepheline 55 barium sulphate 55 sulfide ores 55 DAP Di Ammonium 55 iodine cesium 55 hexavalent 55 graphitic carbon 55 dioxins PCBs 55 iron alloy 55 Naphthalene 55 enargite 55 resists corrosion 55 sulfuric acid mist 55 adsorbed onto 55 Volatile Organic Compounds VOC 55 Sulfuric 55 spontaneously ignite 55 iron oxides 55 perfluorocarbons 55 trichlorethylene TCE 55 oxide sulfur hexafluoride 55 fungal toxins 55 dioxin TCDD 55 carbonatized 55 aluminum silicate 55 ammonia nitrogen 55 Yttrium Y 55 sulfuric acids 55 quartz hematite 55 sulphide mineral 55 calcium carbonates 55 tetrahydrofuran 55 copper arsenate 55 ethylbenzene 55 platinum Pt 55 DuPont DeLisle plant 55 wastewater effluents 55 chlorine bleaching 55 zinc manganese 55 hexavalent chromium 55 metals tin tantalum 55 aluminum phosphide 55 sphalerite galena 55 corrosive flammable 55 chrome manganese 55 Acrylic acid 55 bloodroot shark cartilage 55 carcinogen benzene 55 MICHAEL REYNOLDS 55 Athabasca watershed 55 Chrysotile asbestos 55 yttrium oxide 55 Hydrochloric acid 55 Endocrine disruptors 55 oceanic pollutants 55 organophosphate pesticide 55 Chalcopyrite 55 sodium hydrochloride 55 p phenylenediamine 55 galena sphalerite chalcopyrite 55 phenanthrene 55 dieldrin 55 chlorides 55 Hydrogen Sulphide 55 lanthanum cerium 55 HBCD 55 laterite deposits 55 perfluorinated chemicals 55 -Expandable Memory 54 Rhenium Re 54 copper conc 54 polychlorinated biphenyls PCB 54 Photocatalytic 54 dibutyl phthalate DBP 54 PBDEs polybrominated diphenyl ethers 54 thermal decomposition 54 isotope fractionation 54 contaminants leach 54 flame retardants PBDEs 54 elements HREE 54 chemical perfluorooctanoic acid 54 calcine 54 chlorinated solvent 54 Chloramines 54 Polychlorinated Biphenyls PCBs 54 insulating foams 54 artificial icicles 54 boron trifluoride 54 Hydrochloric 54 zinc selenide 54 remove oils greases 54 methylene chloride 54 algal toxins 54 radioactive nuclides 54 paints sealants 54 dihydrate 54 sulfonic acid 54 Ag Cu Pb 54 nasal stuffiness eye 54 chromium 54 aqueous dispersion 54 pollen pet dander 54 flame retardants antioxidants 54 magnesium potassium 54 magnesium sodium potassium 54 carbon monoxide hydrogen sulfide 54 alloying agent 54 potassium calcium magnesium 54 reproductive toxins 54 Dieldrin 54 nutrients iodine 54 mercury Hg 54 pH alkalinity 54 K feldspar 54 hydroxyethyl cellulose 54 dyes insecticides 54 magnesium calcium 54 elemental sulfur 54 asbestosis mesothelioma 54 dimethyl sulfide 54 organo 54 Microscopic particles 54 finely disseminated pyrite 54 rhodium Rh 54 ferrochromium 54 copper molybdenum gold 54 Fluorine 54 nonmetallic mineral 54 B vitamins thiamin 54 ammonia methanol 54 gases vapors 54 degrease metal parts 54 Lanthanum La 54 methyl chloroform 54 tinted crimson 54 coli bacteria 54 phthalate DEHP 54 thermometers barometers dental amalgams 54 toxic hydrogen sulphide 54 manganese dioxide 54 orthoxylene 54 mercaptans 54 ethene 54 selenide 54 aromatic amine 54 bacteria Clostridium botulinum 54 non ferrous alloys 54 flocculants 54 Embalming fluid 54 carcinogenic toxins 54 Oxalic acid 54 hydrous 54 titanium oxide TiO 54 diethanolamine 54 praseodymium 54 respirable 54 niobium Nb 54 Air Pollutants NESHAP 54 ferrous fumarate 54 Zinc Copper 54 domoic acid naturally occurring 54 nanoparticulate 54 butyl acrylate 54 low VOC volatile 54 colorless odorless tasteless 54 zirconium dioxide 54 MIKE NELSON 54 Calcium magnesium 54 sulphates 54 magmatic nickel copper 54 copper molybdenum silver 54 including cyromazine 54 bastnasite 54 #m@#.# % [006] 54 spodumene rich 54 gallium indium arsenide 54 redox active 54 titanomagnetite 54 activated carbons 54 sulfur dioxide mercury 54 neodymium praseodymium 54 cadmium chloride 54 alloying element 54 lithium oxide 54 pyrite galena 54 brass forgings 54 malachite azurite 54 silica breccia 54 microbiological contaminants 54 piperonyl butoxide 54 babies Brender 54 ppm zinc 54 bearing sulphide mineralization 54 abundant pyrite 54 Therapies SRT 54 copper platinum palladium 54 anhydrite 54 Fecal Coliform 54 hex chrome 54 Carbon monoxide byproduct 54 pesticides hydraulic fluid 54 salt sulfate 54 purity cobalt 54 inhaling silica 54 fluorotelomers 54 acid PFOA 54 Sulfides 54 fishing sinkers 54 Malachite green 54 metals alloys 54 metal cations 54 nonstick substance 54 stratigraphically below 54 toxic dioxins 54 acid soluble 54 zinc sulphide 54 potassium folate 54 Jellico coal 54 harmful contaminants 54 sodium potassium magnesium 54 STEPHEN MORRISON 54 zinc #.#g t 54 Epoxy resins 54 tarlike substance 54 Diesel exhaust 54 inorganic substances 54 persistent bioaccumulative 54 oils solvents 54 thiosulphate 54 Niobium Nb 54 thiosulfate 54 Kambalda style 54 carbon disulphide 54 organochlorine 54 Hydrogen Cyanide 54 carbon monoxide nitrogen dioxide 54 Anomalous copper 54 nickel cadmium 54 calcium bicarbonate 54 carnotite 54 Acrylate 54 tributyltin TBT 54 perfluorooctane sulfonate 54 Calcium Carbonate 54 radioactive radium 54 plastics fibers 54 nickel Ni 54 QSI nano ™ 53 nitrate nitrite 53 Data Sheets MSDS 53 siliceous sediments 53 hormone disruptor 53 stearate 53 pollutes groundwater 53 inorganics 53 South Fork Tenmile 53 solvent vapors 53 microbiological organisms 53 hydrated silica 53 chromium chloride 53 nickel manganese 53 metalloid 53 Activated carbon 53 copper nickel cobalt 53 molybdenum tungsten 53 Ag Pb 53 mineralogical studies 53 mercuric 53 bearing breccias 53 gold arsenic antimony 53 Barrick Eskay Creek 53 silicon carbide SiC gallium 53 acid chloride 53 Manzako 53 chelating agents 53 contaminants 53 zirconium niobium 53 cupric 53 acanthite 53 hydrocarbon vapors 53 sulfur dioxides 53 colorless crystalline 53 fluorides 53 chlorine caustic soda 53 Atomic Absorption 53 leaded solder 53 bauxite phosphate 53 cobalt mineralization 53 acid sulphate 53 catalyzed reactions 53 chromated copper arsenate CCA 53 lactones 53 tungsten WO 3 53 azo dyes 53 carcinogenic benzene 53 galena sphalerite 53 molybdenum sulphide 53 phosphorous nitrogen 53 neuro toxin 53 isopropyl 53 garnet skarn 53 cetyl 53 ozone nitrogen dioxide 53 U Ag Cu 53 allanite 53 folate magnesium 53 Stachybotrys chartarum 53 finely dispersed 53 Sodium bicarbonate 53 Barium Ba 53 Enterococcus 53 Dental sealants 53 mesothelioma asbestosis 53 pathogenic micro organisms 53 = Tb#O# 53 metallic ions 53 folate calcium 53 kimberlitic bodies 53 sodium bromide 53 kyanite 53 coincident anomalous 53 pyrite altered 53 MLBlog Change 53 carcinogenic chemicals 53 tailings dumps 53 cesium formate drilling 53 VOC volatile 53 magnesium Mg 53 ferric oxide 53 causing splotchy teeth 53 Maximum Contaminant Levels 53 enclose tailings 53 Trichloroethylene TCE 53 Sulphur Dioxide 53 phosphonates 53 incinerator ash 53 CAS #-#-# Market [001] 53 paints dyes 53 Air Contaminant 53 benzothiazole 53 Fluorspar 53 hydrofluoric acids 53 arsenite 53 bronchitis emphysema 53 polyphosphates 53 sulfur dioxide nitrogen dioxide 53 #m@#.# % [002] 53 ultramafic rock 53 d limonene 53 Magnesium Oxide 53 AngloGold Ashanti Titiribi 53 carbonaceous material 53 PFOAs 53 mouthwashes containing 53 THMs 53 ICP AES Method 53 element boron 53 dioxide 53 impurities contaminants 53 magnesium phosphorous 53 phosphoric acids 53 mercury barium 53 essential micronutrient 53 nausea rashes 53 #,# dichloroethylene 53 flux residues 53 Microcystis 53 Hexane 53 salty dissolved solids 53 iron titanium vanadium 53 polycyclic aromatic hydrocarbons PAHs 53 toxic polychlorinated biphenyls 53 calcium hypochlorite 53 barytes 53 drilling muds 53 sulfonate 53 sulfur gases 53 chemical #,# butanediol 53 opportunistic pathogens 53 phthalate esters 53 polybrominated diphenyl ethers 53 colorless flammable liquid 53 volatilized 53 sulfur dioxide nitrogen 53 Nitrogen dioxide 53 secondary chalcocite 53 carcinogens benzene 53 potassium bicarbonate 53 hydrometallurgical extraction 53 dioxides 53 aluminum hydroxide 53 antimony