EPA Response to September 11 | Region 2

Greg Meeker

Greg Meeker is a research scientist and manager of the Electron Microbeam Laboratory at the U.S. Geological Survey in Denver, Colorado. Greg was a principle investigator in the USGS study of the dusts generated by the collapse of the World Trade Center and is a Project Chief for the USGS Mineral Dusts and Human Health Project. His other current research includes detailed studies of the mineralogy and morphology of the fibrous and asbestiform amphiboles that have triggered a major EPA Superfund action in Libby, Montana.

Greg’s research interests involve the application of microscopy and microanalysis to the fields of geochemistry, mineralogy, volcanology, and environmental geology. Prior to joining the USGS in 1989, he worked for Charles Evans & Associates in Redwood City, California as a Senior Research Analyst in materials analysis. Greg began his professional career at the California Institute of Technology in the Department of Earth and Planetary Sciences where he studied meteorites and lunar materials with the electron microscope, electron microprobe, and ion microprobe.

Greg has recently served on two EPA technical panels to develop methods for the analysis of asbestos-contaminated vermiculite attic-insulation. He is a Past President of the Microbeam Analysis Society, and has twice been a National Tour Speaker for that organization. His most recent tour topic was the composition of the dusts produced by the September 11th attack on the World Trade Center. Greg holds a Master of Science degree in geology from California State University, Los Angeles.