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Indoor residential NO/sub 2/ concentrations in Albuquerque, New Mexico

Journal Article · · J. Air Pollut. Control Assoc.; (United States)
OSTI ID:6946507
In preparation for a prospective study of the relationship of residential nitrogen dioxide exposure and respiratory infections in infants, we conducted a pilot study to assess NO/sub 2/ concentrations in a sample of homes in Albuquerque, New Mexico. The methods used to characterize concentrations are described. Three locations in 144 homes were monitored with passive diffusion samplers for two two-week cycles during November and December 1984. Two-week average NO/sub 2/ concentrations in the activity room ranged from 2.0 to 168.7 ppb. NO/sub 2/ concentrations in the activity room and the infant's bedroom were fivefold higher in homes with gas stoves than in homes with electric stoves. Sixty-four percent of homes with gas stoves had activity room concentrations that exceeded the highest outdoor concentrations. Multiple regression models indicated that the outdoor concentration, use of a gas stove, particularly one with pilot lights, presence of a gas dryer in the living area, and use of a floor or wall furnace contributed to NO/sub 2/ concentrations. Use of a toaster or microwave oven in a house with a gas stove reduced NO/sub 2/ concentrations. The results of this study demonstrate a broad range of NO/sub 2/ concentrations in Albuquerque. We conclude with suggestions for an exposure assessment strategy that would be valid and feasible in the context of a large epidemiologic study of the health effects of NO/sub 2/.
Research Organization:
Univ. of New Mexico, Albuquerque (USA)
OSTI ID:
6946507
Journal Information:
J. Air Pollut. Control Assoc.; (United States), Journal Name: J. Air Pollut. Control Assoc.; (United States) Vol. 38:4; ISSN JPCAA
Country of Publication:
United States
Language:
English