This is the new fourth edition of the book on dispersion modeling of continuous, buoyant air pollution plumes which takes nothing for granted. Every equation is completely derived step-by-step without any complicated or advanced mathematics. Every constraint and assumption is fully explained.

The subjects covered in the book include atmospheric turbulence and stability classes, buoyant plume rise, Gaussian dispersion calculations and modeling, time-averaged concentrations, wind velocity profiles, fumigations, trapped plumes, flare stack plumes and much more ... with a great many example calculations.

The book has been purchased in 84 countries and is currently available in over 233 libraries worldwide. It has been referenced or cited as an educational resource 870 times in the technical literature and on the Internet, including the regulatory publications of 34 state or national governmental agencies worldwide. It has also been used as recommended reading or a textbook in 61 university courses.

The book is in its fourth edition and is now available only as a downloadable PDF document of 201 pages. More information is available at www.air-dispersion.com.

Updated Dec. 20, 2014 by Milton R. Beychok ( )