Levels and Sources of PAHs in Air-borne PM^sub 2.5^ of Hefei City, China
This work studied the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulate matter of Hefei, China. Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 µg m-3, which is hig...
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| Veröffentlicht in: | Bulletin of environmental contamination and toxicology 2017-02, Vol.98 (2), p.270 |
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| description | This work studied the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulate matter of Hefei, China. Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 µg m-3, which is higher than the 2012 China Ambient Air Quality Standard (GB3095-2012 24-h grade II) of 75 µg m-3. The concentrations of 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatography-mass spectrometry. The PM2.5-bound PAH concentrations ranged from 4.92 to 71.00 ng m-3 (mean=21.34 ng m-3), and exhibited obvious seasonal (31.38 ng m-3 in winter and 14.05 ng m-3 in summer) and spatial variability (27.23 ng m-3at site ME and 18.20 ng m-3 at site MS). Meteorological conditions such as ambient temperature, wind speed and humidity had influences on the concentrations of PAHs. As an index for PAH carcinogenicity, the annual average concentration of benzo(a)pyrene ranged from 0.46 to 2.31 ng m-3, with a mean of 1.15 ng m-3. This mean was lower than the China Ambient Air Quality Standard (GB3095-2012) of 2.5 ng m-3. The diagnostic PAH ratios and principal component analysis (PCA) suggested that combustion of coal and vehicle emissions were the main sources of PAHs in PM2.5. |
| doi_str_mv | 10.1007/s00128-016-2019-9 |
| format | Article |
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Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 µg m-3, which is higher than the 2012 China Ambient Air Quality Standard (GB3095-2012 24-h grade II) of 75 µg m-3. The concentrations of 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatography-mass spectrometry. The PM2.5-bound PAH concentrations ranged from 4.92 to 71.00 ng m-3 (mean=21.34 ng m-3), and exhibited obvious seasonal (31.38 ng m-3 in winter and 14.05 ng m-3 in summer) and spatial variability (27.23 ng m-3at site ME and 18.20 ng m-3 at site MS). Meteorological conditions such as ambient temperature, wind speed and humidity had influences on the concentrations of PAHs. As an index for PAH carcinogenicity, the annual average concentration of benzo(a)pyrene ranged from 0.46 to 2.31 ng m-3, with a mean of 1.15 ng m-3. This mean was lower than the China Ambient Air Quality Standard (GB3095-2012) of 2.5 ng m-3. The diagnostic PAH ratios and principal component analysis (PCA) suggested that combustion of coal and vehicle emissions were the main sources of PAHs in PM2.5.</description><identifier>ISSN: 0007-4861</identifier><identifier>EISSN: 1432-0800</identifier><identifier>DOI: 10.1007/s00128-016-2019-9</identifier><language>eng</language><publisher>New York: Springer Nature B.V</publisher><subject>Air pollution ; Air quality ; Air quality standards ; Airborne particulates ; Ambient temperature ; Carcinogenicity ; Gas chromatography ; Mass spectrometry ; Particulate matter ; Polycyclic aromatic hydrocarbons ; Principal components analysis ; Vehicle emissions ; Wind speed</subject><ispartof>Bulletin of environmental contamination and toxicology, 2017-02, Vol.98 (2), p.270</ispartof><rights>Bulletin of Environmental Contamination and Toxicology is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Hu, Ruoyu</creatorcontrib><creatorcontrib>Liu, Guijian</creatorcontrib><creatorcontrib>Zhang, Hong</creatorcontrib><creatorcontrib>Xue, Huaqin</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><title>Levels and Sources of PAHs in Air-borne PM^sub 2.5^ of Hefei City, China</title><title>Bulletin of environmental contamination and toxicology</title><description>This work studied the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulate matter of Hefei, China. Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 µg m-3, which is higher than the 2012 China Ambient Air Quality Standard (GB3095-2012 24-h grade II) of 75 µg m-3. The concentrations of 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatography-mass spectrometry. The PM2.5-bound PAH concentrations ranged from 4.92 to 71.00 ng m-3 (mean=21.34 ng m-3), and exhibited obvious seasonal (31.38 ng m-3 in winter and 14.05 ng m-3 in summer) and spatial variability (27.23 ng m-3at site ME and 18.20 ng m-3 at site MS). Meteorological conditions such as ambient temperature, wind speed and humidity had influences on the concentrations of PAHs. As an index for PAH carcinogenicity, the annual average concentration of benzo(a)pyrene ranged from 0.46 to 2.31 ng m-3, with a mean of 1.15 ng m-3. This mean was lower than the China Ambient Air Quality Standard (GB3095-2012) of 2.5 ng m-3. The diagnostic PAH ratios and principal component analysis (PCA) suggested that combustion of coal and vehicle emissions were the main sources of PAHs in PM2.5.</description><subject>Air pollution</subject><subject>Air quality</subject><subject>Air quality standards</subject><subject>Airborne particulates</subject><subject>Ambient temperature</subject><subject>Carcinogenicity</subject><subject>Gas chromatography</subject><subject>Mass spectrometry</subject><subject>Particulate matter</subject><subject>Polycyclic aromatic hydrocarbons</subject><subject>Principal components analysis</subject><subject>Vehicle emissions</subject><subject>Wind speed</subject><issn>0007-4861</issn><issn>1432-0800</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNzMsKwjAQheEgCtbLA7gbcGt0JjU1LqUoXSgIulZaTTEiqXas4NtbwQdwdRb_xxFiQDgmxNmEEUkZiRRJhTSX84YIaBoqiQaxKQKskZyaiNqiw3yttTZKBSJZ25e9MaT-DLuiKk-Wochhu0gYnIeFK2VWlN7CdnPgKgM11ocvSGxuHcTu-R5BfHE-7YlWnt7Y9n_bFcPVch8n8l4Wj8ry83it732djmQirSJFWof_qQ8udz9s</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>Hu, Ruoyu</creator><creator>Liu, Guijian</creator><creator>Zhang, Hong</creator><creator>Xue, Huaqin</creator><creator>Wang, Xin</creator><general>Springer Nature B.V</general><scope>3V.</scope><scope>7T7</scope><scope>7TK</scope><scope>7TV</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8C1</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>20170201</creationdate><title>Levels and Sources of PAHs in Air-borne PM^sub 2.5^ of Hefei City, China</title><author>Hu, Ruoyu ; Liu, Guijian ; Zhang, Hong ; Xue, Huaqin ; Wang, Xin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_18652621553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Air pollution</topic><topic>Air quality</topic><topic>Air quality standards</topic><topic>Airborne particulates</topic><topic>Ambient temperature</topic><topic>Carcinogenicity</topic><topic>Gas chromatography</topic><topic>Mass spectrometry</topic><topic>Particulate matter</topic><topic>Polycyclic aromatic hydrocarbons</topic><topic>Principal components analysis</topic><topic>Vehicle emissions</topic><topic>Wind speed</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Ruoyu</creatorcontrib><creatorcontrib>Liu, Guijian</creatorcontrib><creatorcontrib>Zhang, Hong</creatorcontrib><creatorcontrib>Xue, Huaqin</creatorcontrib><creatorcontrib>Wang, Xin</creatorcontrib><collection>ProQuest Central (Corporate)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection (ProQuest)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database (ProQuest)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><jtitle>Bulletin of environmental contamination and toxicology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Ruoyu</au><au>Liu, Guijian</au><au>Zhang, Hong</au><au>Xue, Huaqin</au><au>Wang, Xin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Levels and Sources of PAHs in Air-borne PM^sub 2.5^ of Hefei City, China</atitle><jtitle>Bulletin of environmental contamination and toxicology</jtitle><date>2017-02-01</date><risdate>2017</risdate><volume>98</volume><issue>2</issue><spage>270</spage><pages>270-</pages><issn>0007-4861</issn><eissn>1432-0800</eissn><abstract>This work studied the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulate matter of Hefei, China. Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 µg m-3, which is higher than the 2012 China Ambient Air Quality Standard (GB3095-2012 24-h grade II) of 75 µg m-3. The concentrations of 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatography-mass spectrometry. The PM2.5-bound PAH concentrations ranged from 4.92 to 71.00 ng m-3 (mean=21.34 ng m-3), and exhibited obvious seasonal (31.38 ng m-3 in winter and 14.05 ng m-3 in summer) and spatial variability (27.23 ng m-3at site ME and 18.20 ng m-3 at site MS). Meteorological conditions such as ambient temperature, wind speed and humidity had influences on the concentrations of PAHs. As an index for PAH carcinogenicity, the annual average concentration of benzo(a)pyrene ranged from 0.46 to 2.31 ng m-3, with a mean of 1.15 ng m-3. This mean was lower than the China Ambient Air Quality Standard (GB3095-2012) of 2.5 ng m-3. The diagnostic PAH ratios and principal component analysis (PCA) suggested that combustion of coal and vehicle emissions were the main sources of PAHs in PM2.5.</abstract><cop>New York</cop><pub>Springer Nature B.V</pub><doi>10.1007/s00128-016-2019-9</doi></addata></record> |
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| subjects | Air pollution Air quality Air quality standards Airborne particulates Ambient temperature Carcinogenicity Gas chromatography Mass spectrometry Particulate matter Polycyclic aromatic hydrocarbons Principal components analysis Vehicle emissions Wind speed |
| title | Levels and Sources of PAHs in Air-borne PM^sub 2.5^ of Hefei City, China |
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