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Abstract
The Journal of the Air Pollution Control Association presents its fifth annual directory of air pollution products. This 14-page guide lists manufacturers of emission control equipment and air pollution instrumentation under product classifications which are shown below. These classifications are derived from McGraw-Hill’s Air Pollution Handbook, chapters 10, 11, and 13 . The final portion of this guide contains an alphabetical listing of manufacturers.
If any manufacturers or product categories have been inadvertently overlooked, the omission is regretted and should be brought to the attention of the editor. It will result in a more complete and accurate Product Guide/1973 to be published next December.