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Author : Jeffrey M. Giddings
Publisher : SETAC
Page : 433 pages
File Size : 51,9 Mb
Release : 2005
Category : Aquatic organisms
ISBN : 9781880611784
Author : Steven J. Larson
Publisher : CRC Press
Page : 308 pages
File Size : 41,7 Mb
Release : 2019-04-24
Category : Technology & Engineering
ISBN : 9780429526343
Pesticde use in agriculture and non-agriculture settings has increased dramatically over the last several decades. Concern about adverse effects on the environment and human health has spurred an enormous amount of research into their environmental behavior and fate. Pesticides in Surface Waters presents a comprehensive summary of this research.
Author : United States Department Of Agriculture
Publisher : Forgotten Books
Page : 20 pages
File Size : 43,6 Mb
Release : 2019-02-11
Category : Business & Economics
ISBN : 0260592439
Excerpt from Atrazine in Surface Waters: A Report of the Atrazine Task Group to the Working Group on Water Quality; April 1992 In February 1989, the President's Initiative on Water Quality proposed a vigorous national effort to protect groundwater and surface waters from contamination by agricultural chemicals and wastes, especially pesticides and nutrients. Named the lead agency in the Initiative, the usda developed a Water Quality Program to minimize the risk of contaminating groundwater and surface waters with agricultural chemicals. The Working Group on Water Quality (wowo) is an interdepartmental group established to carry out this program. It includes 12 usda agencies, along with the us. Geological Survey (usgs); the us. Environmental Protection Agency (epa); the National Oceanic and Atmospheric Administration (noaa); the us. Army Corps of Engineers; the Fish and Wildlife Service; and the Tennessee Valley Authority (tva). As another part of the President's Initiative, the usgs monitored the Mississippi River and some of its tributaries to determine the presence, levels, and variability of selected pesticides in the water. They found that 1) increased concentrations of dissolved atrazine occur in the river system for 4 to 6 weeks following corn planting; 2) the concentrations of dissolved atrazine vary by as much as one order of magnitude above background levels; 3) increased levels are associated with rainfall; 4) individual elevations are relatively short-lived; and 5) levels occasionally exceed three parts per billion (ppb). It should be noted that background levels, generally, are in the range of ppb or less; that some observed spikes have exceeded 12 ppb; and that the fate of atrazine spikes has not been studied with regard to their dilution during movement in rivers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Anonim
Publisher : Unknown
Page : 4 pages
File Size : 41,6 Mb
Release : 1997
Category : Pesticides
ISBN : UCSD:31822024389660
Author : Larry M. Pope
Publisher : Unknown
Page : 4 pages
File Size : 40,7 Mb
Release : 1995
Category : Atrazine
ISBN : UCR:31210024737742
Author : M. T. Meyer,American Chemical Society. Division of Agrochemicals,American Chemical Society. Division of Environmental Chemistry,American Chemical Society. Meeting
Publisher : Unknown
Page : 340 pages
File Size : 52,6 Mb
Release : 1996
Category : Nature
ISBN : UOM:39015037767236
Provides an overview of analytical and environmental chemistry of herbicide metabolites. Covers methods and development strategies for the analysis of herbicides and their metabolites. Discusses advances in analytical methods, including applications for the analysis of herbicide metabolites in water and soil. Addresses fate and transport of herbicides, including molecular interactions with soil, field-scale transport studies, and a larger scale study of the effects of topography and irrigation on the occurrence of herbicides and their metabolites in soil. Examines basin and regional scale occurrence of herbicides and their metabolites in surface water and groundwater. Includes a EPA perspective on herbicide metabolites in groundwater.
Author : Victoria G. Christensen
Publisher : Unknown
Page : 4 pages
File Size : 40,5 Mb
Release : 1998
Category : Atrazine
ISBN : UCSD:31822024300618
Author : James Albert Smith,Patrick J. Witkowski,Thomas V. Fusillo,Geological Survey (U.S.)
Publisher : Unknown
Page : 104 pages
File Size : 44,7 Mb
Release : 1988
Category : Organic compounds
ISBN : UCR:31210020732648
See journals under US Geological survey. Circular 1007.
Author : David J. Holtschlag,Carol L. Luukkonen
Publisher : Unknown
Page : 44 pages
File Size : 43,5 Mb
Release : 1998
Category : Atrazine
ISBN : UCR:31210012236715
Author : Mark Crane,Alistair B. A. Boxall,Katie Barrett
Publisher : CRC Press
Page : 226 pages
File Size : 48,9 Mb
Release : 2016-04-19
Category : Medical
ISBN : 9781420084771
Examine the Current State of the ScienceSurface water sampling programs across the globe have shown the presence of many different classes of medicines. The potential risks associated with the release of these medicines into the environment have become an increasingly important issue for environmental regulators. Effects of Veterinary Medicines in
Author : Donald W. Sparling,Greg Linder,Christine A. Bishop,Sherry Krest
Publisher : CRC Press
Page : 946 pages
File Size : 54,8 Mb
Release : 2010-06-02
Category : Science
ISBN : 9781420064179
Building on the success of its popular predecessor, the second edition of Ecotoxicology of Amphibians and Reptiles presents newly available findings on the species that are important environmental indicators. This new edition covers nearly twice as many topics as the first, including recent developments in the ecotoxicology of amphibians and reptil
Author : Terry L. Maluk
Publisher : Unknown
Page : 6 pages
File Size : 54,8 Mb
Release : 1998
Category : Pesticides
ISBN : UCSD:31822024229098
Author : Anonim
Publisher : Unknown
Page : 518 pages
File Size : 42,5 Mb
Release : 1984
Category : Geology
ISBN : MINN:31951000973731Q
Author : Joseph L. Domagalski
Publisher : Unknown
Page : 36 pages
File Size : 48,9 Mb
Release : 2000
Category : Government publications
ISBN : UCR:31210014722530
Author : Asit K. Biswas
Publisher : Springer Science & Business Media
Page : 381 pages
File Size : 41,7 Mb
Release : 2013-12-17
Category : Science
ISBN : 9783662108680
Leonardo da Vinci, the eminent Renaissance scholar and philosopher said, "water is the driver of nature". Many may have considered it to be an overstatement in the past, but at the beginning of the third millennium, no sane individual would disagree with Leonardo's view. Water is becoming an increasingly scarce resource for most of the world's citizens. The current trends indicate that the overall situation is likely to deteriorate further, at least for the next two decades, unless the water profession eschews its existing "business as usual" practices, which can only allow incremental changes to occur. Somewhat surprisingly, the water profession as a whole neither realised nor appreciated the gravity of the global water situation as late as 1990, even though a few serious scholars have been pointing out the increasing criticality of the situation from around 1982. For example, the seriousness of the crisis was not a major issue, either at the International Conference on W ater and the Environment, which was organised by the UN system in Dublin and also at the UN Conference on Environment and Development at Rio de Janeiro. Held in 1992, both are considered to be important events for the water sector of the past decade. It is now being increasingly recognised that the Dublin Conference was poorly planned and organised, and thus not surprisingly it produced very little, if any, worthwhile and lasting results.
