With a focus on areas of competency for the practical sections of the examination, the manual not only prepares individuals for the exam, but also for day-to-day operations in the professional environment.
Koren, Herman: Handbook of Environmental Health and Safety Principles and Practices.2nd ed. Vols. I and II. Chelsea, MI: Lewis Publishers, 1991. Koren, Herman: Illustrated Dictionary of Environmental Health and Occupational Safety.
This book considers both the testing of hearing and testing with hearing to explore the co-creation of modern epistemic and auditory cultures.