An epidemiology study on exposure-response relationship between B(a)P concentration in indoor air and lung cancer mortality in Xuanwei County, China
In Xuanwei County, Yunnan Province, lung cancer mortality is among China's highest, especially in females. (Cigarette smoking is rare in females). The country has 20 communes, each with a population of about 30,000 to 60,000. Lung cancer mortality is varied in the country from 0 to 151.8/10,000. Xuanwei residents use three fuels: (1) smoky coal, (2) wood, and (3) smokeless coal. Because of heavy indoor pollution caused by smoky coal burning, in 1986, we developed a risk assessment by measuring B(a)P concentrations in the indoor smoke caused by fuel burning in 11 communes. Our results showed that the lung cancer mortality was increased with the B(a)P concentrations in indoor air. There was an obvious exposure-response relationship between B(a)P concentrations in indoor air and lung cancer mortality rates. From the strong exposure-response relationship between B(a)P concentrations in indoor air and lung cancer mortality rates, we conclude that the B(a)P concentration indicates that the PAH pollution caused by smoky coal burning is the main risk factor of lung cancer in Xuanwei County.
- OSTI ID:
- 5546152
- Report Number(s):
- CONF-890937--
- Journal Information:
- Archives of Environmental Health; (USA), Journal Name: Archives of Environmental Health; (USA) Vol. 45:5; ISSN 0003-9896; ISSN AEHLA
- Country of Publication:
- United States
- Language:
- English
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59 BASIC BIOLOGICAL SCIENCES
AIR POLLUTION
ASIA
BODY
CARBONACEOUS MATERIALS
CHINA
COAL
DISEASES
ENERGY SOURCES
EPIDEMIOLOGY
FOSSIL FUELS
FUELS
HAZARDS
HEALTH HAZARDS
INDOOR AIR POLLUTION
LUNGS
MATERIALS
NEOPLASMS
ORGANS
POLLUTION
RESPIRATORY SYSTEM