Related by context. Frequent words. (Click for all words.) 70 cadmium mercury 68 lead mercury cadmium 61 polybrominated diphenyl ethers 61 mercury arsenic 60 RoHS Directive 59 RoHS directive 59 PBDE 58 RoHS Restriction 58 arsenic cadmium 58 PCBs polychlorinated biphenyls 56 arsenic mercury 54 polychlorinated biphenyls PCBs 54 brominated flame retardants 54 flame retardant chemicals 54 Hazardous Substances RoHS 53 hazardous substances 53 harmful substances 53 disinfection byproducts 52 suspected carcinogen 52 brominated 52 BFRs 52 toxic substances 52 phthalates 51 furan 51 Prolonged exposure 51 paint thinners 50 #/#/EC [002] 50 carcinogenic chemicals 50 PCBs 50 toxicants 50 carbon tetrachloride 50 phthalate 50 methylene chloride 50 potentially carcinogenic 50 ozone depleting chemicals 50 flame retardants 49 acrolein 49 potent neurotoxin 49 chlordane 49 endotoxins 49 harmful contaminants 49 DEHP 49 sulfur oxide 49 ROHS 49 endocrine disruptors 49 carbon dioxide methane nitrous 49 furans 48 leachable 48 PVCs 48 tetrachlorethylene 48 Persistent Organic Pollutants 48 plasticizers 48 oxalate 48 sulfur hexafluoride 48 lindane 48 methyl mercury 48 maximum contaminant 48 bromate 48 iron manganese 48 cadmium 48 Toxic chemicals 48 dioxins 48 Dioxins 48 chromate 48 PFOS 47 harmful chemicals 47 harmful toxins 47 naturally occurring radioactive 47 sulfur dioxide nitrogen oxides 47 Hazardous Substances 47 hydrogen chloride 47 sulfur dioxide SO2 47 RoHS 47 hormone disrupting 47 cerium 47 particulate matter emissions 47 chlorinated solvents 47 toxic chemicals 47 endocrine disrupting chemicals 47 polyvinyl chloride PVC 47 nitrous oxides 47 cleaning solvents 47 Phthalates 47 endocrine disruptor 47 trichlorethylene 47 PBDEs 47 carcinogens 46 phosphine 46 toxic pollutants 46 ethyl mercury 46 hexavalent chromium 46 polycyclic aromatic hydrocarbons 46 solvents 46 artificial colorings 46 nitrogen oxides NOx 46 polychlorinated biphenyls 46 Cadmium 46 sulfur dioxide nitrogen oxide 46 greenhouse gases GHGs 46 carcinogenicity 46 dioxide