National Water-Quality Assessment (NAWQA) Project

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Pesticide National Synthesis Project

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Characteristics and Limitations of Screening-Level Assessments

Screening-level assessments are a first step toward addressing the question of whether or not pesticides are present at concentrations that may affect human health, aquatic life or wildlife. They provide a perspective on where effects are most likely to occur and what pesticides may be responsible. Screening-level assessments are primarily intended to identify and prioritize needs for further investigation and have the following characteristics and limitations:

Contact: Lisa Nowell, (916) 278-3096

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