Summary of the 1989 EPA/A&WMA International symposium: measurement of toxic and related air pollutants.

A joint conference, for the fourth straight year cosponsored by the Air & Waste Management Association's TP-6, TP-7, and ITF-2 technical committees, and the Atmospheric Research and Exposure Assessment Laboratory of the U.S. Environmental Protection Agency, was held at Raleigh, North Carolina, May 2-5, 1989.