Dust and endosulfan deposition in a cotton-growing area of Northern New South Wales, Australia

Larney, Francis J., Leys, John F., Müller, Jochen F. and McTainsh, Grant H. (1999) Dust and endosulfan deposition in a cotton-growing area of Northern New South Wales, Australia. Journal of Environmental Quality, 28 2: 692-701. doi:10.2134/jeq1999.00472425002800020038x


Author Larney, Francis J.
Leys, John F.
Müller, Jochen F.
McTainsh, Grant H.
Title Dust and endosulfan deposition in a cotton-growing area of Northern New South Wales, Australia
Journal name Journal of Environmental Quality   Check publisher's open access policy
ISSN 0047-2425
1537-2537
Publication date 1999-03
Sub-type Article (original research)
DOI 10.2134/jeq1999.00472425002800020038x
Volume 28
Issue 2
Start page 692
End page 701
Total pages 10
Place of publication Madison, WI, U.S.A.
Publisher American Agonomy Society
Collection year 1999
Language eng
Subject C1
321299 Public Health and Health Services not elsewhere classified
730200 Public Health
Formatted abstract
The pesticide endosulfan (6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepin-3-oxide) has been detected in rivers in the cotton (Gossypium hirsutum L.)-growing area of northern New South Wales at a 5 yr mean (1991–1995) concentration of 0.06 µg L−1. One pathway by which endosulfan reaches the riverine environment is transport on contaminated dust. Our objectives were to examine:
(i) dust deposition from vehicular traffic on an unsealed road on a cotton farm, and around a cotton field in the 11 to 65 h period after endosulfan application;
(ii) endosulfan deposition in the 11 to 65 h period after endosulfan application, and over a 3-mo period at on-farm and off-farm (nontarget) locations.
Dust deposition rates from vehicular traffic varied from 0.013 g m−2 vehicle−1 at 1 m distance, to 0.002 g m−2 vehicle−1 at 100 m distance from an unsealed road (soil surface, no gravel added). The maximum endosulfan deposition in the 11 to 65 h post-spraying period was 95 µg m−2 at 5 m from the field. Over a 3-mo monitoring period (December 1996–March 1997), the average daily deposition rate of endosulfan was 0.16 µg m−2 d−1 for the off-farm sites compared with 0.35 µg m−2 d−1 for the on-farm site. As the measurement period was one of the wettest on record and the number of endosulfan applications was less-than-normal, the dust and endosulfan deposition results may be interpreted as minima.
Keyword Environmental Sciences
Wind Erosion
Organic-compounds
Harmattan Dust
Pesticides
Air
Nigeria
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
School of Chemistry and Molecular Biosciences
 
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Created: Tue, 10 Jun 2008, 15:26:16 EST