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Conquer the Water Operations Exam is a focused, easy-to-follow guide designed to support candidates preparing for certification exams in water treatment, wastewater management, and utility operations. Whether you are aiming for a state-level operator license or entering a career in municipal water utilities, this book provides an essential overview of the knowledge and responsibilities tested on most water operations exams. This concise study aid is part of the Conquer the Exam series—streamlined guides for professionals preparing for vocational and certification exams across a variety of...

Particles of Truth is a riveting account of the discovery of the critical health effects of air pollution told by Arden Pope and Douglas Dockery, who have been at the forefront of air pollution and health research for four decades. With an insightful foreword by former EPA Administrator Gina McCarthy, this compelling book provides an inside look at groundbreaking scientific research and ensuing political and public-policy battles. It presents evidence that air pollution is a major contributor to disease and death and that reducing air pollution saves lives.