Lung Cancer and Indoor Air Pollution in Xuan Wei, China
Judy L. Mumford(Environmental Protection Agency), Xuefu He(Chinese Preventive Medicine Association), Robert S. Chapman(Environmental Protection Agency), Shiwen Cao(Chinese Preventive Medicine Association), D. Bruce Harris(Environmental Protection Agency), X. M. Li(Chinese Preventive Medicine Association), Ying Xian(Chinese Preventive Medicine Association), Wenkai Jiang(Yunnan Environmental Protection Bureau), Cheng Xu(Yunnan Center for Disease Control And Prevention), Jane C. Chuang(Battelle), William E. Wilson(Environmental Protection Agency), M. Cooke(Battelle)
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Abstract
In Xuan Wei County, Yunnan Province, lung cancer mortality is among China's highest and, especially in females, is more closely associated with indoor burning of "smoky" coal, as opposed to wood or "smokeless" coal, than with tobacco smoking. Indoor air samples were collected during the burning of all three fuels. In contrast to wood and smokeless coal emissions, smoky coal emission has high concentrations of submicron particles containing mutagenic organics, especially in aromatic and polar fractions. These studies suggested an etiologic link between domestic smoky coal burning and lung cancer in Xuan Wei.
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