Concise Guide to Environmental Definitions, Conversions, and Formulae is the quick and proficient source for that information. Professionals will find it's ideal for immediate reference; students and interns ca n benefit from it as a comprehensive study guide for certification exa m preparation purposes. Based on information presented in another ess ential reference (Definitions, Conversions, and Calculations for Occup ational Safety and Health Professionals, Second Edition), the Concise Guide brings its most-cited details to an easily carried, portable si ze (41/2 x 6 3/4). Essential...