Atmospheric Observations: Helping Build the Scientific Basis for Decisions Related to Airborne Particulate Matter

Daniel L. Albritton and Daniel S. Greenbaum, cochairs. 
Report of the PM Measurements Research Workshop, Chapel Hill NC, July 22 and 23, 1998. 
Aeronomy Laboratory of the National Oceanic and Atmospheric Administration, Boulder, CO, and Health Effects Institute, Cambridge, MA.