This manual will serve a useful function in training and giving experience to environmental scientists at all levels. Included in this manual are explanatory materials, exercises and experiments. These are intended as training guides. The users of this manual will find it possible to use simple equipment and naturally occurring events to construct some of the needed equipment but may also find it necessary to use commercially available equipment with some of the procedures.

A basic technical book on the design and application of gas cleaning technologies that use liquids, first published in the 1980's and used by plant and environmental engineers, regulatory personnel, and others concerned with air pollution. The second edition enlarges the discussion on the theory of

Since the first edition was printed in 1991, there have only been minor changes in air regulations. The opposing "trenches" used by environmental regulation proponents have deepened as each side increases their database. Agencies and environmental groups have backed off a little in issues such as bubble policies and enforcement time tables. This has made it extremely difficult for equipment vendors to anticipate industry requirements. Overall, the current market projections are not very favorable for the new equipment suppliers.
In contrast, the service organizations are seeing increasing...