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Direct and indirect exposure of the ...

Bruce, Dana Marie.

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Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides./
作者:	Bruce, Dana Marie.
面頁冊數:	108 p.
附註:	Adviser: L. Ritter.
Contained By:	Masters Abstracts International38-02.
標題:	Agriculture, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ43143
ISBN:	0612431436

Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides.
Bruce, Dana Marie.

Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides. - 108 p.

Adviser: L. Ritter.

Thesis (M.Sc.)--University of Guelph (Canada), 1999.

Exposure of the farm family (pesticide applicator, spouse and child) to 2,4-D and MCPA through contaminated living quarters was investigated. Although not involved in herbicide application, 93.5% of spouses and 95.0% of children were exposed and had mean urine concentrations of 3.87 and 2.96 μg/L, respectively. All 32 farms had herbicide residues inside their homes. The areas of highest contamination included the wash-up faucet, the washing machine, and the exterior door handle. Herbicide levels within the home correlated with urine levels of the spouse and child. These results indicate that household sites inadvertently contaminated by pesticides contribute to chronic low levels of exposure in farm family members.

ISBN: 0612431436Subjects--Topical Terms:

1017510
Agriculture, General.

Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides.
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245 1 0 $a Direct and indirect exposure of the farm family to chlorophenoxyacetic acid herbicides.
300 $a 108 p.
500 $a Adviser: L. Ritter.
500 $a Source: Masters Abstracts International, Volume: 38-02, page: 0424.
502 $a Thesis (M.Sc.)--University of Guelph (Canada), 1999.
520 $a Exposure of the farm family (pesticide applicator, spouse and child) to 2,4-D and MCPA through contaminated living quarters was investigated. Although not involved in herbicide application, 93.5% of spouses and 95.0% of children were exposed and had mean urine concentrations of 3.87 and 2.96 μg/L, respectively. All 32 farms had herbicide residues inside their homes. The areas of highest contamination included the wash-up faucet, the washing machine, and the exterior door handle. Herbicide levels within the home correlated with urine levels of the spouse and child. These results indicate that household sites inadvertently contaminated by pesticides contribute to chronic low levels of exposure in farm family members.
520 $a 2,4-D in the seminal fluid of dogs was measured. Of the applied dermal dose (1, 10, or 20 mg 2,4-D/kg bw), 0.013% (±0.011) was excreted in the seminal fluid within 96 hours and was no longer detectable after 216 hours. Analysis of split-ejaculates indicated 2,4-D was secreted into the seminal fluid and was not merely an artifact of urine contamination. Using radiolabelled 2,4-D <italic>in vitro</italic>, it was established that 2,4-D does not bind spermatozoa.
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