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Personal exposure to nitrogen dioxide: relationship to indoor/outdoor air quality and activity patterns

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es00150a003· OSTI ID:7107143
; ; ; ;
Personal NO/sub 2/ exposures and indoor and outdoor concentrations were measured for nearly 350 individuals in the Portage, WI, area. Concentrations in homes with gas stoves averaged 18 ..mu..g/m/sup 3/ higher in the summer (median indoor/outdoor ratio 2.4) and 36 ..mu..g/m/sup 3/ (median indoor/outdoor ratio 3.2) higher in the winter than outdoor levels. Personal exposures were closely related to indoor averages for households with gas stoves (r = 0.85 summer, r = 0.87 winter) and with electric stoves (r = 0.68 summer, r = 0.61 winter); more than 65% of the average day was spent at home while about 15% was spent outdoors in summer and less than 5% in winter. The association between personal exposure and outdoor levels of NO/sub 2/ was weakest during the winter for both gas (r = 0.20) and electric (r = 0.28) stove groups. The measures of exposure and time allocation indicate that there is a wide range of variability in personal exposures to NO/sub 2/ that may not be adequately accounted for by simple stratifications based on cooking fuel type. 46 references, 7 tables.
Research Organization:
Univ. of Arizona, Tucson
OSTI ID:
7107143
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 20:8; ISSN ESTHA
Country of Publication:
United States
Language:
English

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Related Subjects

560300* -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR QUALITY
ANIMALS
BUILDINGS
CHALCOGENIDES
DATA
ENVIRONMENTAL QUALITY
EXPERIMENTAL DATA
INDOOR AIR POLLUTION
INFORMATION
MAMMALS
MAN
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POLLUTION
PRIMATES
QUANTITY RATIO
SEASONAL VARIATIONS
VARIATIONS
VERTEBRATES