Nitrous Acid in Albuquerque, New Mexico, Homes

John D. Spengler; Michael Brauer; Jonathan M. Samet; William E. Lambert

doi:10.1021/es00042a005

Nitrous Acid in Albuquerque, New Mexico, Homes

John D. Spengler, Michael Brauer, Jonathan M. Samet, William E. Lambert

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

Experimental studies have shown that nitrogen acid species, particularly nitrous acid, are formed indoors during unvented combustion and by heterogeneous reactions of nitrogen dioxide. Limited measurements support the occurrence of nitrous acid production in occupied homes. We report additional measurements of HONO and NO₂ in homes located in Albuquerque, NM, and assess the relationship with housing variables. Indoor HONO concentrations were found to be well correlated with indoor NO₂ levels; HONO concentrations ranged from 5% to 15% of the measured NO₂ concentrations. Given the correlation between HONO and NO₂ in indoor environments, and the plausibility of HONO respiratory toxicity, investigations of respiratory health effects of unvented combustion should consider HONO, in addition to NO₂, as a potentially hazardous indoor pollutant.

Original language	English (US)
Pages (from-to)	841-845
Number of pages	5
Journal	Environmental Science and Technology
Volume	27
Issue number	5
DOIs	https://doi.org/10.1021/es00042a005
State	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Environmental Chemistry

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10.1021/es00042a005

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title = "Nitrous Acid in Albuquerque, New Mexico, Homes",

abstract = "Experimental studies have shown that nitrogen acid species, particularly nitrous acid, are formed indoors during unvented combustion and by heterogeneous reactions of nitrogen dioxide. Limited measurements support the occurrence of nitrous acid production in occupied homes. We report additional measurements of HONO and NO2 in homes located in Albuquerque, NM, and assess the relationship with housing variables. Indoor HONO concentrations were found to be well correlated with indoor NO2 levels; HONO concentrations ranged from 5% to 15% of the measured NO2 concentrations. Given the correlation between HONO and NO2 in indoor environments, and the plausibility of HONO respiratory toxicity, investigations of respiratory health effects of unvented combustion should consider HONO, in addition to NO2, as a potentially hazardous indoor pollutant.",

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year = "1993",

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T1 - Nitrous Acid in Albuquerque, New Mexico, Homes

AU - Spengler, John D.

AU - Brauer, Michael

AU - Samet, Jonathan M.

AU - Lambert, William E.

PY - 1993

Y1 - 1993

N2 - Experimental studies have shown that nitrogen acid species, particularly nitrous acid, are formed indoors during unvented combustion and by heterogeneous reactions of nitrogen dioxide. Limited measurements support the occurrence of nitrous acid production in occupied homes. We report additional measurements of HONO and NO2 in homes located in Albuquerque, NM, and assess the relationship with housing variables. Indoor HONO concentrations were found to be well correlated with indoor NO2 levels; HONO concentrations ranged from 5% to 15% of the measured NO2 concentrations. Given the correlation between HONO and NO2 in indoor environments, and the plausibility of HONO respiratory toxicity, investigations of respiratory health effects of unvented combustion should consider HONO, in addition to NO2, as a potentially hazardous indoor pollutant.

AB - Experimental studies have shown that nitrogen acid species, particularly nitrous acid, are formed indoors during unvented combustion and by heterogeneous reactions of nitrogen dioxide. Limited measurements support the occurrence of nitrous acid production in occupied homes. We report additional measurements of HONO and NO2 in homes located in Albuquerque, NM, and assess the relationship with housing variables. Indoor HONO concentrations were found to be well correlated with indoor NO2 levels; HONO concentrations ranged from 5% to 15% of the measured NO2 concentrations. Given the correlation between HONO and NO2 in indoor environments, and the plausibility of HONO respiratory toxicity, investigations of respiratory health effects of unvented combustion should consider HONO, in addition to NO2, as a potentially hazardous indoor pollutant.

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Nitrous Acid in Albuquerque, New Mexico, Homes

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