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Characterization of PM2.5 in Delhi: role and impact of secondary aerosol, burning of biomass, and municipal solid waste and crustal matter
Delhi is one among the highly air polluted cities in the world. Absence of causal relationship between emitting sources of PM 2.5 and their impact has resulted in inadequate actions. This research combines a set of innovative and state-of-the-art analytical techniques to establish relative predomina...
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Published in: | Environmental science and pollution research international 2017-11, Vol.24 (32), p.25179-25189 |
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container_title | Environmental science and pollution research international |
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creator | Nagar, Pavan K. Singh, Dhirendra Sharma, Mukesh Kumar, Anil Aneja, Viney P. George, Mohan P. Agarwal, Nigam Shukla, Sheo P. |
description | Delhi is one among the highly air polluted cities in the world. Absence of causal relationship between emitting sources of PM
2.5
and their impact has resulted in inadequate actions. This research combines a set of innovative and state-of-the-art analytical techniques to establish relative predominance of PM
2.5
sources. Air quality sampling at six sites in summer and winter for 40 days (at each site) showed alarmingly high PM
2.5
concentrations (340 ± 135 μg/m
3
). The collected PM
2.5
was subjected to chemical speciation including ions, metals, organic and elemental carbons which followed application of chemical mass balance technique for source apportionment. The source apportionment results showed that secondary aerosols, biomass burning (BMB), vehicles, fugitive dust, coal and fly ash, and municipal solid waste burning were the important sources. It was observed that secondary aerosol and crustal matter accounted for over 50% of mass. The PM
2.5
levels were not solely result of emissions from Delhi; it is a larger regional problem caused by contiguous urban agglomerations. It was argued that emission reduction of precursors of secondary aerosol, SO
2
, NO
x
, and volatile organic compounds, which are unabated, is essential. A substantial reduction in BMB and suspension of crustal dust is equally important to ensure compliance with air quality standards. |
doi_str_mv | 10.1007/s11356-017-0171-3 |
format | article |
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2.5
and their impact has resulted in inadequate actions. This research combines a set of innovative and state-of-the-art analytical techniques to establish relative predominance of PM
2.5
sources. Air quality sampling at six sites in summer and winter for 40 days (at each site) showed alarmingly high PM
2.5
concentrations (340 ± 135 μg/m
3
). The collected PM
2.5
was subjected to chemical speciation including ions, metals, organic and elemental carbons which followed application of chemical mass balance technique for source apportionment. The source apportionment results showed that secondary aerosols, biomass burning (BMB), vehicles, fugitive dust, coal and fly ash, and municipal solid waste burning were the important sources. It was observed that secondary aerosol and crustal matter accounted for over 50% of mass. The PM
2.5
levels were not solely result of emissions from Delhi; it is a larger regional problem caused by contiguous urban agglomerations. It was argued that emission reduction of precursors of secondary aerosol, SO
2
, NO
x
, and volatile organic compounds, which are unabated, is essential. A substantial reduction in BMB and suspension of crustal dust is equally important to ensure compliance with air quality standards.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-017-0171-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aerosols ; Air pollution ; Air quality ; Air quality standards ; Air sampling ; Airborne particulates ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Biomass ; Biomass burning ; Burning ; Chemical speciation ; Dust ; Earth and Environmental Science ; Ecotoxicology ; Emissions control ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Fly ash ; Metals ; Municipal solid waste ; Municipal waste management ; Nitrogen oxides ; Organic compounds ; Particulate matter ; Research Article ; Solid waste management ; Speciation ; Sulfur dioxide ; Urban areas ; VOCs ; Volatile organic compounds ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2017-11, Vol.24 (32), p.25179-25189</ispartof><rights>Springer-Verlag GmbH Germany 2017</rights><rights>Environmental Science and Pollution Research is a copyright of Springer, (2017). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-93ae1c73d4dae1b6ca27314ca703484f3350ffc206598258ef112bc6d4f63d413</citedby><cites>FETCH-LOGICAL-c388t-93ae1c73d4dae1b6ca27314ca703484f3350ffc206598258ef112bc6d4f63d413</cites><orcidid>0000-0002-3091-3383</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/1986209754/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/1986209754?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,11688,27924,27925,36060,36061,44363,74767</link.rule.ids></links><search><creatorcontrib>Nagar, Pavan K.</creatorcontrib><creatorcontrib>Singh, Dhirendra</creatorcontrib><creatorcontrib>Sharma, Mukesh</creatorcontrib><creatorcontrib>Kumar, Anil</creatorcontrib><creatorcontrib>Aneja, Viney P.</creatorcontrib><creatorcontrib>George, Mohan P.</creatorcontrib><creatorcontrib>Agarwal, Nigam</creatorcontrib><creatorcontrib>Shukla, Sheo P.</creatorcontrib><title>Characterization of PM2.5 in Delhi: role and impact of secondary aerosol, burning of biomass, and municipal solid waste and crustal matter</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><description>Delhi is one among the highly air polluted cities in the world. Absence of causal relationship between emitting sources of PM
2.5
and their impact has resulted in inadequate actions. This research combines a set of innovative and state-of-the-art analytical techniques to establish relative predominance of PM
2.5
sources. Air quality sampling at six sites in summer and winter for 40 days (at each site) showed alarmingly high PM
2.5
concentrations (340 ± 135 μg/m
3
). The collected PM
2.5
was subjected to chemical speciation including ions, metals, organic and elemental carbons which followed application of chemical mass balance technique for source apportionment. The source apportionment results showed that secondary aerosols, biomass burning (BMB), vehicles, fugitive dust, coal and fly ash, and municipal solid waste burning were the important sources. It was observed that secondary aerosol and crustal matter accounted for over 50% of mass. The PM
2.5
levels were not solely result of emissions from Delhi; it is a larger regional problem caused by contiguous urban agglomerations. It was argued that emission reduction of precursors of secondary aerosol, SO
2
, NO
x
, and volatile organic compounds, which are unabated, is essential. A substantial reduction in BMB and suspension of crustal dust is equally important to ensure compliance with air quality standards.</description><subject>Aerosols</subject><subject>Air pollution</subject><subject>Air quality</subject><subject>Air quality standards</subject><subject>Air sampling</subject><subject>Airborne particulates</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Biomass</subject><subject>Biomass burning</subject><subject>Burning</subject><subject>Chemical speciation</subject><subject>Dust</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Emissions control</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Fly ash</subject><subject>Metals</subject><subject>Municipal solid waste</subject><subject>Municipal waste management</subject><subject>Nitrogen oxides</subject><subject>Organic compounds</subject><subject>Particulate matter</subject><subject>Research Article</subject><subject>Solid waste management</subject><subject>Speciation</subject><subject>Sulfur dioxide</subject><subject>Urban areas</subject><subject>VOCs</subject><subject>Volatile organic compounds</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution 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P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of PM2.5 in Delhi: role and impact of secondary aerosol, burning of biomass, and municipal solid waste and crustal matter</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><date>2017-11-01</date><risdate>2017</risdate><volume>24</volume><issue>32</issue><spage>25179</spage><epage>25189</epage><pages>25179-25189</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Delhi is one among the highly air polluted cities in the world. Absence of causal relationship between emitting sources of PM
2.5
and their impact has resulted in inadequate actions. This research combines a set of innovative and state-of-the-art analytical techniques to establish relative predominance of PM
2.5
sources. Air quality sampling at six sites in summer and winter for 40 days (at each site) showed alarmingly high PM
2.5
concentrations (340 ± 135 μg/m
3
). The collected PM
2.5
was subjected to chemical speciation including ions, metals, organic and elemental carbons which followed application of chemical mass balance technique for source apportionment. The source apportionment results showed that secondary aerosols, biomass burning (BMB), vehicles, fugitive dust, coal and fly ash, and municipal solid waste burning were the important sources. It was observed that secondary aerosol and crustal matter accounted for over 50% of mass. The PM
2.5
levels were not solely result of emissions from Delhi; it is a larger regional problem caused by contiguous urban agglomerations. It was argued that emission reduction of precursors of secondary aerosol, SO
2
, NO
x
, and volatile organic compounds, which are unabated, is essential. A substantial reduction in BMB and suspension of crustal dust is equally important to ensure compliance with air quality standards.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11356-017-0171-3</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-3091-3383</orcidid></addata></record> |
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source | ABI/INFORM Global; Springer Nature |
subjects | Aerosols Air pollution Air quality Air quality standards Air sampling Airborne particulates Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Biomass Biomass burning Burning Chemical speciation Dust Earth and Environmental Science Ecotoxicology Emissions control Environment Environmental Chemistry Environmental Health Environmental science Fly ash Metals Municipal solid waste Municipal waste management Nitrogen oxides Organic compounds Particulate matter Research Article Solid waste management Speciation Sulfur dioxide Urban areas VOCs Volatile organic compounds Waste Water Technology Water Management Water Pollution Control |
title | Characterization of PM2.5 in Delhi: role and impact of secondary aerosol, burning of biomass, and municipal solid waste and crustal matter |
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