Dust - analysis, Hazardous Substances - analysis, Environmental Monitoring, Health, Humans, Environmental Exposure - analysis, Halogenated Diphenyl Ethers - analysis, Hazardous Substances - toxicity, Halogenated Diphenyl Ethers - toxicity, Metals, Heavy - toxicity, China, Metals, Heavy - analysis, Plastics - toxicity, Plastics - analysis, Recycling
China, Humans, Soil - chemistry, Geologic Sediments - chemistry, Metals, Heavy - analysis, Adult, Risk, Recycling, Plastics, Soil Pollutants - analysis