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Pesticide and herbicide contamination
Pollution resulting from chemical agents applied to crops, rights of way, lawns, or residences to control weeds, insects, fungi, nematodes, rodents or other pests (pesticides) or kill undesirable plants (herbicides).
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Results 1 - 10 of 24 listed alphabetically [list by similarity]
A Whole-System Approach to Understanding Agricultural Chemicals in the Environment [More info]
Explains the effects of the interaction of hydrologic and biological processes on agricultural chemicals in various environments.
Agricultural chemicals [More info]
Overview of the Toxic Substances Hydrology Program role in investigating the occurrence and fate of agricultural chemicals with links to investigations, headlines, on-line fact sheets, new publications, bibliographies and photo gallery.
Assessing the vulnerability of public-supply wells to contamination--Edwards aquifer near San Antonio, Texas [More info]
Well vulnerability results from the young age of groundwater. Karst features permit contaminants to move into the aquifer easily, leading to a well mixed aquifer; geochemical processes do not degrade contaminants quickly.
Ground-water monitoring for pesticides in Wyoming [More info]
Sampling program to determine if pesticides are present in ground water, in accordance with Wyoming's Generic State Management Plan for Pesticides in Ground Water (SMP).
Groundwater quality in the Northern San Joaquin Valley, California [More info]
Arsenic and boron were the trace elements that most frequently occurred at high concentrations. Fumigants (pesticides) were detected at high concentrations in 3% of the primary aquifers. Herbicides and insecticides were detected at low concentrations.
Groundwater quality in the north San Francisco Bay groundwater basins, California [More info]
Summary of chemical constituents of ground water that are of concern to human activity in this area. Arsenic is the constituent that occurs most frequently in high concentrations.
Hydrology of Johnson Creek Basin, a Mixed-Use Drainage Basin in the Portland, Oregon, Metropolitan Area [More info]
Study of a small stream that has had a history of persistent flooding and water-quality problems.
Maps of the distribution and occurrence of ground water quality constituents and early 1970's land use in New Jersey [More info]
Links to maps of New Jersey showing nitrate levels, pesticides, Total Volatile Organic Compounds (VOCs), and radium in wells and land use of the 1970s.
Midcontinent Agricultural Chemical Research Program [More info]
Homepage for the research on occurrence, movement, flux, fate, and effects of agricultural chemicals, such as pesticides, in 25 states by the Midcontinent Agricultural Chemical Research Project (MACRP) with links to study results and publications.
PDF Monitoring for Pesticides in Groundwater and Surface Water in Nevada, 2008 [More info]
Study of pesticides in shallow groundwater and surface water to help decision makers evaluate and manage pesticide application practices to protect drinking water resources, especially deeper, potable groundwater as well as aquatic species.
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