Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012
During 2012 the PM10 concentrations were measured in 13 sampling sites distributed in the metropolitan area of Costa Rica. The samples were collected using high volume samplers and subsequently analyzed for: ions (F-, Cl-, NO2-, NO3-, PO43-, SO42-), trace metals (V, Cr, Cu, Mn, Fe, Al, Pb, Ni), orga...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Universidad Nacional, Costa Rica
2014-12-01
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| Series: | Ciencias Ambientales |
| Subjects: | |
| Online Access: | http://www.revistas.una.ac.cr/index.php/ambientales/article/view/7229/7435 |
| _version_ | 1818507179565514752 |
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| author | Jorge Herrera José F. Rojas Víctor H. Beita Agustín Rodríguez David Solórzano Hazel Argüello |
| author_facet | Jorge Herrera José F. Rojas Víctor H. Beita Agustín Rodríguez David Solórzano Hazel Argüello |
| author_sort | Jorge Herrera |
| collection | DOAJ |
| description | During 2012 the PM10 concentrations were measured in 13 sampling sites distributed in the metropolitan area of Costa Rica. The samples were collected using high volume samplers and subsequently analyzed for: ions (F-, Cl-, NO2-, NO3-, PO43-, SO42-), trace metals (V, Cr, Cu, Mn, Fe, Al, Pb, Ni), organic and elemental carbon content. Sampling sites located in high traffic commercial and industrial zones exhibited significative increased concentrations (42 – 29 µg/m3) compared to low traffic commercial and residential zones (23 – 15 µg/m3). As for speciation, crustal contribution increases from 13-14 % found in high traffic industrial zones to 28 % in residential zones. While marine aerosol contribution ranges from 2,5 to 5% for all sampling sites without a distinctive pattern. The OC and EC fraction was the most important contribution to the PM10 composition, mainly in HE-01 and BE-01 sampling sites accounting for around 53 and 56 % of the total mass. This reflects the importance of combustion sources to the fine particulate matter composition. In the case of the trace metals fraction it was the lowest one found for all the sampling sites. |
| first_indexed | 2024-12-10T22:14:59Z |
| format | Article |
| id | doaj.art-d56c7a6538c3475f96200919b4fc8b46 |
| institution | Directory Open Access Journal |
| issn | 1409-2158 2215-3896 |
| language | English |
| last_indexed | 2024-12-10T22:14:59Z |
| publishDate | 2014-12-01 |
| publisher | Universidad Nacional, Costa Rica |
| record_format | Article |
| series | Ciencias Ambientales |
| spelling | doaj.art-d56c7a6538c3475f96200919b4fc8b462022-12-22T01:31:29ZengUniversidad Nacional, Costa RicaCiencias Ambientales1409-21582215-38962014-12-014823953http://dx.doi.org/10.15359/rca.48-2.4Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012Jorge Herrera0José F. Rojas1Víctor H. Beita2Agustín Rodríguez3David Solórzano4Hazel Argüello5Coordinator of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaChemical and Research of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaResearch of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaResearch of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaResearch of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaResearch of the Laboratory for Environmental Analysis of the School of Environmental Sciences, University Nacional, Costa RicaDuring 2012 the PM10 concentrations were measured in 13 sampling sites distributed in the metropolitan area of Costa Rica. The samples were collected using high volume samplers and subsequently analyzed for: ions (F-, Cl-, NO2-, NO3-, PO43-, SO42-), trace metals (V, Cr, Cu, Mn, Fe, Al, Pb, Ni), organic and elemental carbon content. Sampling sites located in high traffic commercial and industrial zones exhibited significative increased concentrations (42 – 29 µg/m3) compared to low traffic commercial and residential zones (23 – 15 µg/m3). As for speciation, crustal contribution increases from 13-14 % found in high traffic industrial zones to 28 % in residential zones. While marine aerosol contribution ranges from 2,5 to 5% for all sampling sites without a distinctive pattern. The OC and EC fraction was the most important contribution to the PM10 composition, mainly in HE-01 and BE-01 sampling sites accounting for around 53 and 56 % of the total mass. This reflects the importance of combustion sources to the fine particulate matter composition. In the case of the trace metals fraction it was the lowest one found for all the sampling sites.http://www.revistas.una.ac.cr/index.php/ambientales/article/view/7229/7435PM10Urban air pollutionPolluting mobile sourcesAir samplersPollution combustion |
| spellingShingle | Jorge Herrera José F. Rojas Víctor H. Beita Agustín Rodríguez David Solórzano Hazel Argüello Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 Ciencias Ambientales PM10 Urban air pollution Polluting mobile sources Air samplers Pollution combustion |
| title | Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 |
| title_full | Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 |
| title_fullStr | Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 |
| title_full_unstemmed | Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 |
| title_short | Concentration and chemical composition of PM10 particles in the metropolitan area of Costa Rica in 2012 |
| title_sort | concentration and chemical composition of pm10 particles in the metropolitan area of costa rica in 2012 |
| topic | PM10 Urban air pollution Polluting mobile sources Air samplers Pollution combustion |
| url | http://www.revistas.una.ac.cr/index.php/ambientales/article/view/7229/7435 |
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