Abstract:
:Airborne pesticide residues were collected both within and downwind from a parathion-treated plum orchard by high volume sampling through XAD-4 macroreticular resin. Levels of paraoxon in excess of 100 ng/m3 were found in orchard air, along with parathion, during the early days of two 21-day sampling studies. Paraoxon:parathion ratios in the orchard air were relatively constant, averaging ca. 0.5 for days 1 to 21 following treatment. Likely sources of airborne paraoxon include vaporization and dislodgement from soil and leaf surfaces, and chemical conversion of parathion in the air. Support for the latter came from observation of an increased paraoxon:parathion ration in air samples collected downwind from the orchard. Atmospheric conversion of parathion to paraoxon, accelerated by sunlight, was indicated by both field and laboratory studies. Overall dissipation of parathion from the orchard air, soil, and leaf tissue proceeded to a considerable extent through breakdown to paraozon under the dry climatic conditions of these studies. Eventual conversion to the relatively stable breakdown product, p-nitrophenol, was indicated from analysis of air in the orchard vicinity.
journal_name
Arch Environ Contam Toxicoljournal_title
Archives of environmental contamination and toxicologyauthors
Woodrow JE,Seiber JN,Crosby DG,Moilanen KW,Soderquist CJ,Mourer Cdoi
10.1007/BF02097759subject
Has Abstractpub_date
1977-01-01 00:00:00pages
175-91issue
2-3eissn
0090-4341issn
1432-0703journal_volume
6pub_type
杂志文章abstract::Selenium (Se) and vanadium (V) are contaminants commonly found in aquatic systems affected by wastes derived from fossil fuels. To examine their effects on a widely distributed species of amphibian, we exposed gray tree frogs (Hyla versicolor) to Se (as SeO₂) or V (as NaVO₃) in their diet from the early larval period ...
journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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abstract::Pilot whales strand periodically along the U.S. coast, and these strandings offer an opportunity for the collection of tissues for biomonitoring of contaminant exposure in cetaceans, as well as for specimen archiving. Concentrations of organochlorine (OC) contaminants (e.g., PCB congeners, pesticides, DDTs) were measu...
journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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更新日期:1980-01-01 00:00:00
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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更新日期:1996-07-01 00:00:00
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journal_title:Archives of environmental contamination and toxicology
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更新日期:2017-08-01 00:00:00
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更新日期:2005-05-01 00:00:00
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journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/BF00211627
更新日期:1995-05-01 00:00:00
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journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s002449900234
更新日期:1997-08-01 00:00:00
abstract::Persistent organic pollutants, such as organochlorine insecticides and polychlorinated biphenyls (PCBs), were measured in several environmental matrices including aerial deposition, seawater, sediment, and biota in two important coastal wetlands of Hong Kong, China. Specifically, samples were collected from within the...
journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00244-004-0166-1
更新日期:2005-05-01 00:00:00
abstract::The use of an as-yet-undescribed euryhaline Corophium sp. amphipod as a sediment toxicity testing organism was assessed. The species was found to be ubiquitous in many tidal areas of the Hawkesbury River catchment. The salinity of habitat sites ranged from 0.1 to 24 ppt, sediment total organic carbon (TOC) ranged from...
journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
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更新日期:1998-01-01 00:00:00