| Results of Analyses of the Fungicide Chlorothalonil, Its Degradation Products, and Other Selected Pesticides at 22 Surface-Water Sites in Five Southern States, 2003-04 |
2006 |
69 pages |
| Authors:
Elisabeth A. Scribner; James L. Orlando; William A. Battaglin; Mark W. Sandstrom; Kathryn M. Kuivila; Michael T. Meyer; GEOLOGICAL SURVEY RESTON VA
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 | In accordance with% the mission of the U. S. Geological} Survey (USGS) Toxic Substances Hydrology Program, a pesticide study was conducted during 2003-2004 to determine the occurrence of the fungicide chlorothalonil and its degradation products at 22 surface-water sites in the Southern States. Water-quality samples were collected during the peanut-growing season (June-September) in 2OO3. During the peanut growing season in 2004, samples were collected after large storms. An analytical method ... |
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| Dissolved Pesticide and Organic Carbon Concentrations Detected in Surface Waters, Northern Central Valley, California, 2001-2002 |
2004 |
42 pages |
| Authors:
James L. Orlando; Lisa A. Jacobson; Kathryn M. Kuivila; GEOLOGICAL SURVEY RESTON VA
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| Field and laboratory studies were conducted to determine the effects of pesticide mixtures on Chinook salmon under various environmental conditions in surface waters of the northern Central Valley of California. This project was a collaborative effort between the U.S. Geological Survey (USGS) and the University of California. The project focused on understanding the environmental factors that influence the toxicity of pesticides to juvenile salmon and their prey. Samples were collected ... |
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| Dissolved Pesticide Concentrations Detected in Storm-Water Runoff at Selected Sites in the San Joaquin River Basin, California, 2000-2001 |
2003 |
23 pages |
| Authors:
James L. Orlando; Kathryn M. Kuivila; Andrew Whitehead; DEPARTMENT OF THE INTERIOR WASHINGTON DC
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| As part of a collaborative study involving the United States Geological Survey Toxics Substances Hydrology Project (Toxics Project) and the University of California Davis Bodega Marine Laboratory (BML) water samples were collected at three sites within the San Joaquin River Basin of California and analyzed for dissolved pesticides. Samples were collected during and immediately after the first significant rainfall (greater than 0.5 inch per day) following the local application of ... |
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