Ligair Surveillance Of La Qualite Of Lair En Region Center

Orléans, France

Ligair Surveillance Of La Qualite Of Lair En Region Center

Orléans, France

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Coscolla C.,Public Health Laboratory of Valencia FISABIO | Coscolla C.,Atmospheric Pesticide Research Group of Valencia | Lopez A.,Public Health Laboratory of Valencia FISABIO | Lopez A.,University of Valencia | And 8 more authors.
Science of the Total Environment | Year: 2017

Outdoor air samples collected during the pesticide agricultural application period (spring and summer) from a rural community in the Centre Region (France) were analyzed to investigate temporal variation of atmospheric pesticide levels (2006-2013) and human inhalation exposure in adults, children and infants.The most frequently detected pesticides were herbicides (trifluralin, pendimethalin), fungicides (chlorothalonil) and insecticides (lindane and α-endosulfan). The three currently-used pesticides most frequently detected presented concentrations ranging from 0.18 to 1128.38ngm-3; 0.13 to 117.32ngm-3 and 0.16 to 25.80ngm-3 for chlorothalonil, pendimethalin and trifluralin, respectively.The estimated chronic inhalation risk, expressed as Hazard Quotient (HQ), for adults, children and infants, was <. 1 for all measured pesticides. Likewise, the cumulative exposure for detected organophosphorus and chloroacetamide pesticides, was estimated using the Relative Potency Factor (RPF) and Hazard Index (HI) as metrics, which was indicated that no risk was observed. The cancer risk classified as likely or possibly carcinogen was estimated to be <. 8.93 E. -05 in infants, for the detected pesticides. © 2017 Elsevier B.V.


Coscolla C.,Center for Public Health Research | Yahyaoui A.,Ligair Surveillance Of La Qualite Of Lair En Region Center | Colin P.,Ligair Surveillance Of La Qualite Of Lair En Region Center | Robin C.,Ligair Surveillance Of La Qualite Of Lair En Region Center | And 7 more authors.
Atmospheric Environment | Year: 2013

This work presents first data on the particle size distributions of current-used pesticides in the atmosphere. Ambient air samples were collected using a cascade impactor distributed into four size fractions in a rural site of Centre Region (France). Most pesticides were accumulated in the fine (0.1-1μm) particle size fraction such as cyprodinil, pendimethalin, fenpropidin, fenpropimorph and spiroxamine. Other pesticides such as acetochlor and metolachlor presented a bimodal distribution with maximum concentrations in the ultrafine (0.03-0.1μm)-coarse (1-10μm) and in the ultrafine-fine size ranges, respectively. No pesticides were detected in the size fraction 7gt;10μm. © 2013 Elsevier Ltd.


Coscolla C.,Public Health Research Center | Colin P.,Ligair Surveillance Of La Qualite Of Lair En Region Center | Yahyaoui A.,Ligair Surveillance Of La Qualite Of Lair En Region Center | Petrique O.,Ligair Surveillance Of La Qualite Of Lair En Region Center | And 3 more authors.
Atmospheric Environment | Year: 2010

Ambient air samples were collected, from 2006 to 2008 at three rural and two urban sites in Centre Region (France) and analyzed for 56 currently used pesticides (CUPs), of which 41 were detected. The four CUPs most frequently detected were the herbicides trifluralin, acetochlor and pendimethalin and the fungicide chlorothalonil, which were found with frequencies ranging between 52 and 78%, and with average concentrations of 1.93, 1.32, 1.84 and 12.15ngm-3, respectively. Among the detected pesticides, concentrations of eight fungicides (spiroxamine, fenpropimorph, cyprodinil, tolyfluanid, epoxiconazole, vinchlozolin, fluazinam, fludioxinil), two insecticides (propargite, ethoprophos), and one herbicide (oxyfluorfen) are, to our knowledge, reported for the first time in the literature.The majority of the CUPs showed a seasonal trend, with most of the detections and the highest concentrations occurring during the spring and early summer. The most important pesticides detected were related to arable crops and fruit orchards, the main cultures in this region, highlighting the fact that the main sources come from local applications. Minor differences were found in the profiles of pesticides within rural areas and between rural and urban areas. © 2010 Elsevier Ltd.

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