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2014 ; 48
(24
): 14632-41
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Polycyclic aromatic hydrocarbon exposure in household air pollution from solid
fuel combustion among the female population of Xuanwei and Fuyuan counties,
China
#MMPMID25393345
Downward GS
; Hu W
; Rothman N
; Reiss B
; Wu G
; Wei F
; Chapman RS
; Portengen L
; Qing L
; Vermeulen R
Environ Sci Technol
2014[Dec]; 48
(24
): 14632-41
PMID25393345
show ga
Exposure to polycyclic aromatic hydrocarbons (PAHs) from burning "smoky"
(bituminous) coal has been implicated as a cause of the high lung cancer
incidence in the counties of Xuanwei and Fuyuan, China. Little is known about
variations in PAH exposure from throughout the region nor how fuel source and
stove design affects exposure. Indoor and personal PAH exposure resulting from
solid fuel combustion in Xuanwei and Fuyuan was investigated using repeated 24 h
particle bound and gas-phase PAH measurements, which were collected from 163
female residents of Xuanwei and Fuyuan. 549 particle bound (283 indoor and 266
personal) and 193 gas phase (all personal) PAH measurements were collected. Mixed
effect models indicated that PAH exposure was up to 6 times higher when burning
smoky coal than smokeless coal and varied by up to a factor of 3 between
different smoky coal geographic sources. PAH measurements from unventilated
firepits were up to 5 times that of ventilated stoves. Exposure also varied
between different room sizes and season of measurement. These findings indicate
that PAH exposure is modulated by a variety of factors, including fuel type, coal
source, and stove design. These findings may provide valuable insight into
potential causes of lung cancer in the area.