Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides
This study presents a comparison of seasonal variation, gas-particle partitioning, and particle-phase size distribution of organochlorine pesticides (OCPs) and current-use pesticides (CUPs) in air. Two years (2012/2013) of weekly air samples were collected at a background site in the Czech Repub...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2016-02-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://www.atmos-chem-phys.net/16/1531/2016/acp-16-1531-2016.pdf |
| _version_ | 1818038342707576832 |
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| author | C. Degrendele C. Degrendele K. Okonski L. Melymuk L. Landlová P. Kukučka O. Audy J. Kohoutek P. Čupr J. Klánová |
| author_facet | C. Degrendele C. Degrendele K. Okonski L. Melymuk L. Landlová P. Kukučka O. Audy J. Kohoutek P. Čupr J. Klánová |
| author_sort | C. Degrendele |
| collection | DOAJ |
| description | This study presents a comparison of seasonal variation, gas-particle
partitioning, and particle-phase size distribution of organochlorine
pesticides (OCPs) and current-use pesticides (CUPs) in air. Two years
(2012/2013) of weekly air samples were collected at a background site in the
Czech Republic using a high-volume air sampler. To study the particle-phase
size distribution, air samples were also collected at an urban and rural site
in the area of Brno, Czech Republic, using a cascade impactor separating
atmospheric particulates according to six size fractions. Major differences
were found in the atmospheric distribution of OCPs and CUPs. The atmospheric
concentrations of CUPs were driven by agricultural activities while secondary
sources such as volatilization from surfaces governed the atmospheric
concentrations of OCPs. Moreover, clear differences were observed in
gas-particle partitioning; CUP partitioning was influenced by adsorption onto
mineral surfaces while OCPs were mainly partitioning to aerosols through
absorption. A predictive method for estimating the gas-particle partitioning
has been derived and is proposed for polar and non-polar pesticides. Finally,
while OCPs and the majority of CUPs were largely found on fine particles,
four CUPs (carbendazim, isoproturon, prochloraz, and terbuthylazine) had
higher concentrations on coarse particles ( > 3.0 µm), which may
be related to the pesticide application technique. This finding is
particularly important and should be further investigated given that large
particles result in lower risks from inhalation (regardless the toxicity of
the pesticide) and lower potential for long-range atmospheric transport. |
| first_indexed | 2024-12-10T07:41:13Z |
| format | Article |
| id | doaj.art-465455592a0a46dcb75dbe1b90b35617 |
| institution | Directory Open Access Journal |
| issn | 1680-7316 1680-7324 |
| language | English |
| last_indexed | 2024-12-10T07:41:13Z |
| publishDate | 2016-02-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Chemistry and Physics |
| spelling | doaj.art-465455592a0a46dcb75dbe1b90b356172022-12-22T01:57:18ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242016-02-01161531154410.5194/acp-16-1531-2016Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticidesC. Degrendele0C. Degrendele1K. Okonski2L. Melymuk3L. Landlová4P. Kukučka5O. Audy6J. Kohoutek7P. Čupr8J. Klánová9Masaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMax Planck Institute for Chemistry, Multiphase Chemistry Department, Hahn-Meitner-Weg 1, 55128 Mainz, GermanyMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicMasaryk University, RECETOX (Research Centre for Toxic Compounds in the Environment), Faculty of Science, Kamenice 753/5, 62500 Brno, Czech RepublicThis study presents a comparison of seasonal variation, gas-particle partitioning, and particle-phase size distribution of organochlorine pesticides (OCPs) and current-use pesticides (CUPs) in air. Two years (2012/2013) of weekly air samples were collected at a background site in the Czech Republic using a high-volume air sampler. To study the particle-phase size distribution, air samples were also collected at an urban and rural site in the area of Brno, Czech Republic, using a cascade impactor separating atmospheric particulates according to six size fractions. Major differences were found in the atmospheric distribution of OCPs and CUPs. The atmospheric concentrations of CUPs were driven by agricultural activities while secondary sources such as volatilization from surfaces governed the atmospheric concentrations of OCPs. Moreover, clear differences were observed in gas-particle partitioning; CUP partitioning was influenced by adsorption onto mineral surfaces while OCPs were mainly partitioning to aerosols through absorption. A predictive method for estimating the gas-particle partitioning has been derived and is proposed for polar and non-polar pesticides. Finally, while OCPs and the majority of CUPs were largely found on fine particles, four CUPs (carbendazim, isoproturon, prochloraz, and terbuthylazine) had higher concentrations on coarse particles ( > 3.0 µm), which may be related to the pesticide application technique. This finding is particularly important and should be further investigated given that large particles result in lower risks from inhalation (regardless the toxicity of the pesticide) and lower potential for long-range atmospheric transport.https://www.atmos-chem-phys.net/16/1531/2016/acp-16-1531-2016.pdf |
| spellingShingle | C. Degrendele C. Degrendele K. Okonski L. Melymuk L. Landlová P. Kukučka O. Audy J. Kohoutek P. Čupr J. Klánová Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides Atmospheric Chemistry and Physics |
| title | Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides |
| title_full | Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides |
| title_fullStr | Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides |
| title_full_unstemmed | Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides |
| title_short | Pesticides in the atmosphere: a comparison of gas-particle partitioning and particle size distribution of legacy and current-use pesticides |
| title_sort | pesticides in the atmosphere a comparison of gas particle partitioning and particle size distribution of legacy and current use pesticides |
| url | https://www.atmos-chem-phys.net/16/1531/2016/acp-16-1531-2016.pdf |
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