Essential reference to the scientific study of chemical and biochemical phenomena that occur in the environment in natural places. This science is used to monitor and assess long-term effects of natural and human-made contaminants in soil and water on ecological and human health. This handy six page laminated reference is made for quick access to the core of the science, developed as designer notes, with succinct bulleted facts grouped in colour coded sections along with diagrams and illustrations for ease of use. For 30 years QuickStudy guides have boosted test scores and grades plus supported students well beyond school as a professional reference. Author Max G. Levy, PhD is a scientist and writes for WIRED, Smithsonian, Vox, Science Magazine, ChemMatters and more and has developed the ultimate easy-to-use tool we give to you at an amazing value.