Atmospheric Organochlorinated Pesticide Levels and Gas/Particle Partitioning in Istanbul during Winter Weather Conditions
Abstract
In this study, gas and particle phase ambient
organochlorine pesticide (OCP) levels were investigated atan urban site in
Istanbul. Samples were collected by a high-volume sampler for fourteen days in
winter. Individual OCP concentrations were between13 and 593 pg.m-3 for
particle phase and 14 and 1,748 pg.m-3 for
gaseous phase. The sums of the average concentration of each OCP in gaseous and
particle phases were 3,219 and 2,746 pg.m-3,
respectively. δ-HCH had the highest individual concentration. The abundance of DDTs followed the order 4.4'-DDT
> 4.4'-DDD > 4.4'-DDE.The Σ(gas+particle)OCP
concentrations ranged between 1,845 and 10,196 pg.m-3. On the
days when high concentrations were observed, the trajectories of air masses
were investigated by the HYSPLIT model. logKp
versus logPL0 model was applied in order to determine the
fate of gas/particle partitioning. The average slope of the regression line was
-0.35, whereas the intercept was -2.89.
Keywords
References
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Details
Primary Language
English
Subjects
Engineering
Journal Section
Research Article
Authors
S. Levent Kuzu
Yıldız Teknik Ü
Türkiye
Publication Date
August 31, 2018
Submission Date
May 5, 2017
Acceptance Date
May 28, 2018
Published in Issue
Year 2018 Volume: 23 Number: 2