Related by context. Frequent words. (Click for all words.) 72 xylene 61 butadiene 60 styrene 58 Benzene 58 benzene 57 nitric acid 56 caustic soda 55 paraxylene 55 acetone 55 acetic acid 54 propylene 54 vinyl chloride 53 ammonia 52 phenol 52 solvents 52 Ammonia 52 sulfur 51 Ethylene 51 ethylene 50 chloride 50 plasticizers 50 esters 50 naphtha 49 sulfuric acid 49 hydrofluoric acid 48 chemicals 48 chemical 48 hydrochloric acid 48 coal tar 48 urea 48 VOCs 48 methyl tertiary butyl ether 47 volatile organic compounds 47 trichlorethylene 47 MTBE 47 monomer 47 manganese 47 surfactants 47 propylene glycol 47 naphthalene 47 chlorine 47 Naphtha 46 LDPE 46 sodium hydroxide 46 phthalates 46 acetylene 46 #,# dioxane 46 polychlorinated biphenyls PCBs 45 organic solvents 45 Styrene 45 toxic chemicals 45 #/tonne [002] 45 amines 45 sulphate 45 Urea 45 HDPE 45 ethylene glycol 45 paint thinner 45 citric acid 45 resins 45 epoxy resins 45 sorbitol 45 polychlorinated biphenyls 44 sulfuric 44 hazardous chemicals 44 silane 44 organophosphates 44 chlor alkali 44 hazardous substances 44 LLDPE 44 toxic substances 44 glycol 44 aqueous 44 chlorides 44 Formaldehyde 44 phthalate 44 gases 44 cst 44 DEHP 43 phosphoric acid 43 perchlorethylene 43 ammonium 43 pollutant 43 hexavalent chromium 43 TiO2 43 olefins 43 PCBs 43 fly ash 43 ethane 43 oxides 43 malathion 43 aromatics 43 resin 43 contaminant 43 toxin 43 PFOS 43 polyurethanes 42 additives 42 hydrogen sulfide 42 PVC 42 #/tonne [001]