pesticides

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  • Assessment of Interim Flow Water-Quality Data of the San Joaquin River Restoration Program and Implications for Fishes, California, 2009–11

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    Assessment of Interim Flow Water-Quality Data of the San Joaquin River Restoration Program and Implications for Fishes, California, 2009–11

    U.S. Geological Survey (USGS), San Francisco Water Department | June 29, 2015...
    Summary

    After more than 50 years of extensive water diversion for urban and agriculture use, a major settlement was reached among the U.S. Departments...

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  • California regulation of agricultural runoff

    California regulation of agricultural runoff

    American Bar Association (ABA) | November 1, 2017...
    Summary

    Agriculture in California is a multibillion dollar industry that produces more than half of the nation’s fruits, nuts, and vegetables. But this comes...

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  • Chlorinated Byproducts of Neonicotinoids and Their Metabolites: An Unrecognized Human Exposure Potential?

    Chlorinated Byproducts of Neonicotinoids and Their Metabolites: An Unrecognized Human Exposure Potential?

    American Chemical Society (ACS) | January 14, 2019...
    Summary

    We recently reported the initial discovery of neonicotinoid pesticides in drinking water and their potential for transformation through chlorination and alkaline hydrolysis during...

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  • Contaminant Concentrations in Sport Fish from San Francisco Bay: 2014

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    Contaminant Concentrations in Sport Fish from San Francisco Bay: 2014

    San Francisco Estuary Institute | January 1, 2014...
    Summary

    This summary report presents results from a 2014 survey of contaminants in San Francisco Bay sport fish, as well as an additional 2015...

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  • Contaminant Effects on California Bay-Delta Species & Human Health

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    Contaminant Effects on California Bay-Delta Species & Human Health

    San Francisco Estuary and Watershed Science | December 1, 2016...
    Summary

    Many contaminants in the California Bay-Delta exceed regulatory standards, impact aquatic species, and potentially affect human health. Recent studies provide evidence that contaminants...

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  • Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015

    Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015

    U.S. Geological Survey (USGS), Central Valley Regional Water Quality Control Board | July 27, 2018...
    Summary

    Surface water samples were collected by the U.S. Geological Survey and multiple cooperators during base flow/irrigation runoff and storm runoff conditions from 12...

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  • Determination of Study Reporting Limits for Pesticide Constituent Data for the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project, 2004–2018—Part 1: National Water Quality Laboratory Schedules 2003, 2032, or 2033, and 2060

    Determination of Study Reporting Limits for Pesticide Constituent Data for the California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project, 2004–2018—Part 1: National Water Quality Laboratory Schedules 2003, 2032, or 2033, and 2060

    U.S. Geological Survey (USGS) | December 17, 2019...
    Summary

    The California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP) is a long-term cooperative project designed to assess the quality of...

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  • Dissolved Pesticide Concentrations Entering the Sacramento–San Joaquin Delta from the Sacramento and San Joaquin Rivers, California, 2012–13

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    Dissolved Pesticide Concentrations Entering the Sacramento–San Joaquin Delta from the Sacramento and San Joaquin Rivers, California, 2012–13

    USGS | August 20, 2014...
    Summary

    Surface-water samples were collected from the Sacramento and San Joaquin Rivers where they enter the Sacramento–San Joaquin Delta, and analyzed by the U.S....

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  • DRERIP Ecosystem Conceptual Model: Chemical stressors

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    DRERIP Ecosystem Conceptual Model: Chemical stressors

    California Department of Fish and Wildlife (CDFW) | February 5, 2008...
    Summary

    The Sacramento-San Joaquin Delta ecosystem comprises many different habitat types, and is home to a large number of species. Thousands of chemical contaminants...

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  • DRERIP Ecosystem Conceptual Model: Pyrethroids

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    DRERIP Ecosystem Conceptual Model: Pyrethroids

    Department of Fish and Wildlife | February 27, 2008...
    Summary

    To illustrate the applicability of the general model outlined in Delta Chemical Stressors conceptual model Werner et al. (2008), we are providing an...

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