Assessing levels and seasonal variations of current-use pesticides (CUPs) in the Tuscan atmosphere, Italy, using polyurethane foam disks (PUF) passive air samplers

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Authors

ESTELLANO SCHULZE Victor Hugo POZO Karla Andrea EFSTATHIOU Christos POZO Katerine CORSOLINI Simonetta FOCARDI Silvano

Year of publication 2015
Type Article in Periodical
Magazine / Source Environmental Pollution
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sciencedirect.com/science/article/pii/S0269749115002195
Doi http://dx.doi.org/10.1016/j.envpol.2015.05.002
Field Air pollution and control
Keywords Passive air sampling; Organoposphates insecticides (OPI); Urban and rural sites; Air back trajectories
Description Polyurethane foam disks (PUF) passive air samplers (PAS) were deployed over 4 sampling periods of 3 -5-months (>= 1 year) at ten urban and rural locations throughout the Tuscany Region. The purpose was to assess the occurrence and seasonal variations of ten current-use pesticides (CUPs). PUF disk extracts were analyzed using GC-MS. The organophosphates insecticides; chlorpyrifos (3-580 pg m(-3)) and chlorpyrifos-methyl (below detection limit - to 570 pg m(-3)) presented the highest levels in air, and showed seasonal fluctuation coinciding with the growing seasons. The relative proportion urban/(urban + rural) ranged from 0.4 to 0.7 showing no differences between urban and rural concentrations. Air back trajectories analysis showed air masses passing over agricultural fields and potentially enhancing the drift of pesticides into the urban sites. This study represents the first information regarding CUPs in the atmosphere of Tuscany region using PAS-PUF disk.
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