FROM THE PREFACE In the years since the first edition I have continued to consider ways in which the texts could be improved. In this regard I researched several topics including how people learn (learning styles etc. ) how the brain functions in storing and retrieving information and the fundamentals of memory systems. Many of the changes incorporated in this second edition are a result of this research. The changes were field-tested during a three-year period in which I taught a water and wastewater mathematics course for Palomar Community College San Marcos California. All the fundamental math concepts and skills needed for daily water/wastewater treatment plant operations. This first volume Basic Math Concepts for Water and Wastewater Plant Operators provides a thorough review of the necessary mathematical concepts and skills encountered in the daily operations of a water and wastewater treatment plant. Each chapter begins with a skills check to allow the student to determine whether or not a review of the topic is needed. Practice problems illustrate the concepts presented in each section. . Language: English