Field Experience with the Mast Ozone Recorder

The practical necessity for continuous air monitoring by an instrument network is explained. Network criteria are listed. A coulometric monitoring system for oxidantis described and evaluated. Operating methods, calibration techniques, costs, and comparative field data are given. The authors conclude the coulometric system is feasible for operation on a widespread basis. Attractive features include: portability; remote recording; easy installation; centralized, coincident calibration of several monitors; linear data output; data consistent with other systems; and a potential for mobile use in horizontal and vertical surveys of the atmosphere.