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    Volatile Organic Compounds Generated in Asphalt Pavement Construction and Their Health Effects on Workers

    Source: Journal of Construction Engineering and Management:;2014:;Volume ( 140 ):;issue: 002
    Author:
    Dan Chong
    ,
    Yuhong Wang
    ,
    Hai Guo
    ,
    Yujie Lu
    DOI: 10.1061/(ASCE)CO.1943-7862.0000801
    Publisher: American Society of Civil Engineers
    Abstract: Hot mix asphalt (HMA) is a major construction material used for building roads, airport runways, and parking lots. During HMA construction, a massive amount of volatile organic compounds (VOCs) is emitted from the hot asphalt mixtures, creating a potential health risk to on-site workers. Few studies have quantitatively investigated the constituents and potential health effects of the VOCs generated in HMA pavement construction. This paper presents the results of a study in which air samples were collected at multiple locations and time points of several projects during HMA pavement construction and were subsequently characterized for their chemical compositions and concentrations by using gas chromatography/mass selective detector (GC/MSD). The analysis results are compared with occupational exposure limits mandated or recommended by various agencies. Although the individual concentrations of the identified chemicals were found to be below various exposure limits, their collective effect on human health remains unknown and may not be ignored. This paper contributes to the knowledge of the types and concentrations of VOCs generated in asphalt pavement construction, their potential health risks to workers, and possible mitigation measures.
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      Volatile Organic Compounds Generated in Asphalt Pavement Construction and Their Health Effects on Workers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/58960
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    contributor authorDan Chong
    contributor authorYuhong Wang
    contributor authorHai Guo
    contributor authorYujie Lu
    date accessioned2017-05-08T21:40:13Z
    date available2017-05-08T21:40:13Z
    date copyrightFebruary 2014
    date issued2014
    identifier other%28asce%29co%2E1943-7862%2E0000808.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/58960
    description abstractHot mix asphalt (HMA) is a major construction material used for building roads, airport runways, and parking lots. During HMA construction, a massive amount of volatile organic compounds (VOCs) is emitted from the hot asphalt mixtures, creating a potential health risk to on-site workers. Few studies have quantitatively investigated the constituents and potential health effects of the VOCs generated in HMA pavement construction. This paper presents the results of a study in which air samples were collected at multiple locations and time points of several projects during HMA pavement construction and were subsequently characterized for their chemical compositions and concentrations by using gas chromatography/mass selective detector (GC/MSD). The analysis results are compared with occupational exposure limits mandated or recommended by various agencies. Although the individual concentrations of the identified chemicals were found to be below various exposure limits, their collective effect on human health remains unknown and may not be ignored. This paper contributes to the knowledge of the types and concentrations of VOCs generated in asphalt pavement construction, their potential health risks to workers, and possible mitigation measures.
    publisherAmerican Society of Civil Engineers
    titleVolatile Organic Compounds Generated in Asphalt Pavement Construction and Their Health Effects on Workers
    typeJournal Paper
    journal volume140
    journal issue2
    journal titleJournal of Construction Engineering and Management
    identifier doi10.1061/(ASCE)CO.1943-7862.0000801
    treeJournal of Construction Engineering and Management:;2014:;Volume ( 140 ):;issue: 002
    contenttypeFulltext
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