The Human Exposure & Atmospheric Sciences Division (HEASD) conducts research in support of EPA’s mission to protect human health and the environment. HEASD’s integrated, multi-disciplinary research programs produce high-quality methods, measurements, and models needed to enable a sound scientific understanding of the processes and factors that impact relationships between sources of environmental pollutants, environmental concentrations, and human exposure
HEASD Research Programs:
Photograph of a PMc sampler evaluation platform at the Riverside, CA site during July 2003. Similar tests were conducted in Gary, IN (March 2003) and Phoenix, AZ (May 2003 and Jan. 2004).
![photo](https://webarchive.library.unt.edu/web/20081107224227im_/http://www.epa.gov/heasd/images05/cap_metal.jpg)
Example of a metal coarse particle Concentrated Ambient Particles (CAP). The research is working to determine if a particular source can be linked to a health effect. |
Research projects in the process of collecting data. |
Research projects that have completed testing and data analysis. |
The products (e.g., models, databases) that were created from research projects. |
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