by
Tisch Environmental Inc.
The PQ200 is designed to meet exacting criteria for collecting 24-hour samples of ambient 'Fine Particulate,' according to the U.S. National Ambient Air Quality Standards (NAAQS), published July 18, 1997. The Very Sharp Cut Cyclone (VSCC) has replaced the WINS impactor and allows 30 days between cleaning intervals. Further details may be viewed on ...