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Title: A worthy book to be required to purchase
Review: I purchased this book because I was required to for my class. The second author, Dr Gessell, was my professor. This is a good book to own if you are required to purchase it. The treatment of radioactivity in the environment is quite comprehensive and ranges from what is naturally found to man-made releases, and even covers disasters. Answers about any question one would have regarding radioactivity in the environment, and how to monitor for it.
