National Water-Quality Assessment (NAWQA) Program

 Go to:      NAWQA Home

Pesticide National Synthesis Project

Home Publications National Statistics Data Pesticide Use Water-Quality Benchmarks PNSP Internal

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
lhnowell@usgs.gov, (916) 278-3096

Accessibility FOIA Privacy Policies and Notices

Take Pride in America home page. FirstGov button U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/nawqa/pnsp/benchmarks/characteristics.html
Page Contact Information: gs-w_nawqa_whq@usgs.gov
Page Last Modified: Tuesday, 04-Mar-2014 14:44:17 EST