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Title: Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
Author: D. Williams
Author: R. A. Mascarenhas
Author: S. Lewis
Author: Bristol Environment Agency
Document Type: Monograph
Annotation: Environment Agency Project ID:EAPRJOUT_541, Representation ID: 188, Object ID: 1877
Abstract:
The Environment Agency are concerned with the impact of nine herbicides approved for use in or near water: asulam, dalapon, dichlobenil, diquat, 2,4-D amine, fosamine ammonium, glyphosate, maleic hydrazide and terbutryn. The purpose of this report is to review the available environmental data on those herbicides approved for use in England and Wales and, where necessary, make recommendations for the development of Environmental Quality Standards (EQSs). The review comprises an effects and exposure assessment of these herbicides relating to the aquatic environment. The effects assessment derives from a review of their toxicity, persistence and bioaccumulation while the exposure assessment is based on an evaluation of the fate and behaviour of these chemicals in aquatic habitats combined with information concerning their production and usage in the UK. None of the nine herbicides are given high priority for EQS development. Four of the herbicides were, however, classified as medium priority for EQS development. These were terbunyn, dichlobenil, glyphosate and asulam.
Publisher: Environment Agency
Subject Keywords: Herbicides; Water pollution; Environmental impact; Hazards; Brackishwater environment; Bioaccumulation; Freshwater ecology; Marine environment
Extent: 93
Permalink: http://www.environmentdata.org/archive/ealit:4474
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