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Here are some USGS Web pages with more information on pesticide and herbicide contamination and Anywhere:

National Water-Quality Assessment data warehouse Data warehouse for national water quality program with links to chemical, biological, and physical data for water, sediment and animal tissues, nutrient, pesticide, and VOC levels, stream flow, and ground water levels from national study units. (Score: 1.380)

Pesticide National Synthesis Project: national assessment of pesticides in streams, rivers, and ground water of the United States Homepage for the Pesticide National Synthesis Project, an assessment of pesticides in national water resources, with links to national reports, national statistics, national data, pesticide use, analytical strategy, and standards for the U.S. (Score: 1.380)

Toxic Substances Hydrology Program Homepage for the Toxic Substances Hydrology Program which provides scientific information on contaminated sites and on human and envionmental health. Links to news, topical information, investigations, meetings, publications, and photos. (Score: 1.380)

Water science for schools: water quality Educational site for elementary school students on water quality with links to related topics including pesticides in ground water, kids view, urbanization and water and others. (Score: 1.000)

Agricultural chemicals 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. (Score: 0.690)

Midcontinent Agricultural Chemical Research Program 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. (Score: 0.690)

Pesticides Information for High Schools (Score: 0.690)

The Quality of Our Nations Waters: Nutrients and Pesticides U.S. Geological Survey Circular 1225 (Score: 0.690)

Pesticides in Midwestern rivers, 1989-2002 Overview of aspects of research on pesticides and herbicides in Midwestern rivers with collection of data, results over a period of time, online publications, and bibliography. (Score: 0.552)

New York State pesticide monitoring homepage Data on presence and distribution of pesticides in surface and ground waters of New York State. (Score: 0.472)

New York State pesticide monitoring homepage Homepage for pesticide monitoring in New York with links to online publications (most are PDF format), sampling networks, online pesticide data, pesticide analyte and detection limits, and analytical methods. (Score: 0.472)

Ground-water monitoring for pesticides in Wyoming Sampling program to determine if pesticides are present in ground water, in accordance with Wyomings Generic State Management Plan for Pesticides in Ground Water (SMP). (Score: 0.461)

The South Florida environment-- a region under stress This report serves as an environmental review and framework for developing USGS programs in the south Florida ecosystem, especially the Everglades and its watershed, and stresses the critical role of water in natural and human environment. (Score: 0.413)

Maps of the distribution and occurence of ground water quality constituents and early 1970s land use in New Jersey 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. (Score: 0.381)

Studies of polluted sediment offshore Los Angeles Overview of studies of marine sediment on the continental shelf south of Los Angeles contaminated with DDT and PCBs from past sewage effluent discharges with links to research on Santa Monica Bay, Los Angeles Shelf and Palos Verdes Peninsula. (Score: 0.323)

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About pesticide and herbicide contamination:

Definition: Biological disturbances caused by the release of biological, physical, or chemical agents used to kill plants or animals into the environment. [Adapted from Concise Columbia Electronic Encyc., 1999]

Used for: biocide contaminants, herbicide contaminants