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Levels and sources of volatile organic compounds in homes of children with asthma
Author(s) -
Chin J.Y.,
Godwin C.,
Parker E.,
Robins T.,
Lewis T.,
Harbin P.,
Batterman S.
Publication year - 2014
Publication title -
indoor air
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.387
H-Index - 99
eISSN - 1600-0668
pISSN - 0905-6947
DOI - 10.1111/ina.12086
Subject(s) - ethylbenzene , environmental chemistry , volatile organic compound , chemistry , benzene , inhalation exposure , styrene , trichloroethylene , environmental health , toxicology , organic chemistry , medicine , toxicity , polymer , copolymer , biology
Many volatile organic compounds ( VOC s) are classified as known or possible carcinogens, irritants, and toxicants, and VOC exposure has been associated with the onset and exacerbation of asthma. This study characterizes VOC levels in 126 homes of children with asthma in Detroit, Michigan, USA. The total target VOC concentration ranged from 14 to 2274  μ g/m 3 (mean = 150  μ g/m 3 ; median = 91  μ g/m 3 ); 56 VOC s were quantified; and d ‐limonene, toluene, p , m ‐xylene, and ethyl acetate had the highest concentrations. Based on the potential for adverse health effects, priority VOC s included naphthalene, benzene, 1,4‐dichlorobenzene, isopropylbenzene, ethylbenzene, styrene, chloroform, 1,2‐dichloroethane, tetrachloroethene, and trichloroethylene. Concentrations varied mostly due to between‐residence and seasonal variation. Identified emission sources included cigarette smoking, solvent‐related emissions, renovations, household products, and pesticides. The effect of nearby traffic on indoor VOC levels was not distinguished. While concentrations in the Detroit homes were lower than levels found in other North American studies, many homes had elevated VOC levels, including compounds that are known health hazards. Thus, the identification and control of VOC sources are important and prudent, especially for vulnerable individuals. Actions and policies to reduce VOC exposures, for example, sales restrictions, improved product labeling, and consumer education, are recommended.

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