R. Handy, M. J. Jackson, G. Robinson, Purdue University, West Lafayette, IN; M. D. Lafreniere, Ohio University-Chillicothe, Chillicothe, OH
Summary: Ultrafine particles can be accurately monitored in the work environment with portable instruments. A technique involving the use of both a direct-reading condensation particle counter and a laser counter was used to measure airborne concentrations of particles during a micromachining process.